mirror of https://github.com/citusdata/citus.git
721 lines
27 KiB
Plaintext
721 lines
27 KiB
Plaintext
CREATE SCHEMA citus_stat_tenants;
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SET search_path TO citus_stat_tenants;
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SET citus.next_shard_id TO 5797500;
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SET citus.shard_replication_factor TO 1;
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-- make sure that we are tracking the tenant stats
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SELECT result FROM run_command_on_all_nodes('SHOW citus.stat_tenants_track');
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result
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---------------------------------------------------------------------
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all
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all
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all
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(3 rows)
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CREATE OR REPLACE FUNCTION pg_catalog.sleep_until_next_period()
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RETURNS VOID
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LANGUAGE C
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AS 'citus', $$sleep_until_next_period$$;
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SELECT citus_stat_tenants_reset();
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citus_stat_tenants_reset
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---------------------------------------------------------------------
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(1 row)
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-- set period to upper limit to prevent stats from being reset
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SELECT result FROM run_command_on_all_nodes('ALTER SYSTEM SET citus.stat_tenants_period TO 86400');
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result
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---------------------------------------------------------------------
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ALTER SYSTEM
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ALTER SYSTEM
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ALTER SYSTEM
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(3 rows)
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SELECT result FROM run_command_on_all_nodes('SELECT pg_reload_conf()');
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result
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---------------------------------------------------------------------
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t
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t
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t
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(3 rows)
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CREATE TABLE dist_tbl (a INT, b TEXT);
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SELECT create_distributed_table('dist_tbl', 'a', shard_count:=4, colocate_with:='none');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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CREATE TABLE dist_tbl_2 (a INT, b INT);
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SELECT create_distributed_table('dist_tbl_2', 'a', colocate_with:='dist_tbl');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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CREATE TABLE dist_tbl_text (a TEXT, b INT);
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SELECT create_distributed_table('dist_tbl_text', 'a', shard_count:=4, colocate_with:='none');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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CREATE TABLE ref_tbl (a INT, b INT);
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SELECT create_reference_table('ref_tbl');
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create_reference_table
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---------------------------------------------------------------------
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(1 row)
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INSERT INTO dist_tbl VALUES (1, 'abcd');
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INSERT INTO dist_tbl VALUES (2, 'abcd');
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UPDATE dist_tbl SET b = a + 1 WHERE a = 3;
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UPDATE dist_tbl SET b = a + 1 WHERE a = 4;
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DELETE FROM dist_tbl WHERE a = 5;
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SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants(true) ORDER BY tenant_attribute;
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tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
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---------------------------------------------------------------------
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1 | 0 | 0 | 1 | 0
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2 | 0 | 0 | 1 | 0
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3 | 0 | 0 | 1 | 0
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4 | 0 | 0 | 1 | 0
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5 | 0 | 0 | 1 | 0
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(5 rows)
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SELECT citus_stat_tenants_reset();
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citus_stat_tenants_reset
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---------------------------------------------------------------------
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(1 row)
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-- queries with multiple tenants should not be counted
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SELECT count(*)>=0 FROM dist_tbl WHERE a IN (1, 5);
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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-- queries with reference tables should not be counted
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SELECT count(*)>=0 FROM ref_tbl WHERE a = 1;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT tenant_attribute, query_count_in_this_period FROM citus_stat_tenants(true) ORDER BY tenant_attribute;
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tenant_attribute | query_count_in_this_period
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---------------------------------------------------------------------
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(0 rows)
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-- queries with multiple tables but one tenant should be counted
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SELECT count(*)>=0 FROM dist_tbl, dist_tbl_2 WHERE dist_tbl.a = 1 AND dist_tbl_2.a = 1;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl JOIN dist_tbl_2 ON dist_tbl.a = dist_tbl_2.a WHERE dist_tbl.a = 1;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT tenant_attribute, query_count_in_this_period FROM citus_stat_tenants(true) WHERE tenant_attribute = '1';
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tenant_attribute | query_count_in_this_period
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---------------------------------------------------------------------
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1 | 2
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(1 row)
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-- test scoring
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-- all of these distribution column values are from second worker
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SELECT nodeid AS worker_2_nodeid FROM pg_dist_node WHERE nodeport = :worker_2_port \gset
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 2;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 3;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 4;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'abcd';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT tenant_attribute, query_count_in_this_period, score FROM citus_stat_tenants(true) WHERE nodeid = :worker_2_nodeid ORDER BY score DESC, tenant_attribute;
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tenant_attribute | query_count_in_this_period | score
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---------------------------------------------------------------------
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2 | 1 | 1000000000
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3 | 1 | 1000000000
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4 | 1 | 1000000000
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abcd | 1 | 1000000000
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(4 rows)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'abcd';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'abcd';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'cdef';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT tenant_attribute, query_count_in_this_period, score FROM citus_stat_tenants(true) WHERE nodeid = :worker_2_nodeid ORDER BY score DESC, tenant_attribute;
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tenant_attribute | query_count_in_this_period | score
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---------------------------------------------------------------------
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abcd | 3 | 3000000000
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2 | 1 | 1000000000
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3 | 1 | 1000000000
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4 | 1 | 1000000000
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bcde | 1 | 1000000000
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cdef | 1 | 1000000000
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(6 rows)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'defg';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT tenant_attribute, query_count_in_this_period, score FROM citus_stat_tenants(true) WHERE nodeid = :worker_2_nodeid ORDER BY score DESC, tenant_attribute;
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tenant_attribute | query_count_in_this_period | score
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---------------------------------------------------------------------
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abcd | 3 | 3000000000
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bcde | 3 | 3000000000
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2 | 1 | 1000000000
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3 | 1 | 1000000000
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4 | 1 | 1000000000
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cdef | 1 | 1000000000
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defg | 1 | 1000000000
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(7 rows)
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-- test period passing
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SELECT citus_stat_tenants_reset();
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citus_stat_tenants_reset
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---------------------------------------------------------------------
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 1;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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INSERT INTO dist_tbl VALUES (5, 'abcd');
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\c - - - :worker_1_port
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SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants_local ORDER BY tenant_attribute;
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tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
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---------------------------------------------------------------------
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1 | 1 | 0 | 1 | 0
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5 | 0 | 0 | 1 | 0
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(2 rows)
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-- simulate passing the period
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SET citus.stat_tenants_period TO 2;
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SELECT sleep_until_next_period();
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sleep_until_next_period
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---------------------------------------------------------------------
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(1 row)
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SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants_local ORDER BY tenant_attribute;
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tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
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---------------------------------------------------------------------
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1 | 0 | 1 | 0 | 1
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5 | 0 | 0 | 0 | 1
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(2 rows)
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\c - - - :master_port
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SET search_path TO citus_stat_tenants;
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-- test logs
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SET client_min_messages TO LOG;
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SELECT count(*)>=0 FROM citus_stat_tenants;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SET citus.stat_tenants_log_level TO ERROR;
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SELECT count(*)>=0 FROM citus_stat_tenants;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SET citus.stat_tenants_log_level TO OFF;
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SELECT count(*)>=0 FROM citus_stat_tenants;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SET citus.stat_tenants_log_level TO LOG;
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SELECT count(*)>=0 FROM citus_stat_tenants;
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LOG: Generating citus_stat_tenants
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CONTEXT: PL/pgSQL function citus_stat_tenants(boolean) line XX at RAISE
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SET citus.stat_tenants_log_level TO DEBUG;
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SELECT count(*)>=0 FROM citus_stat_tenants;
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LOG: Generating citus_stat_tenants
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CONTEXT: PL/pgSQL function citus_stat_tenants(boolean) line XX at RAISE
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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RESET client_min_messages;
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SELECT citus_stat_tenants_reset();
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citus_stat_tenants_reset
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---------------------------------------------------------------------
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(1 row)
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-- test turning monitoring on/off
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SET citus.stat_tenants_track TO "NONE";
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 1;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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INSERT INTO dist_tbl VALUES (1, 1);
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SELECT tenant_attribute, query_count_in_this_period FROM citus_stat_tenants;
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tenant_attribute | query_count_in_this_period
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---------------------------------------------------------------------
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(0 rows)
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SET citus.stat_tenants_track TO "ALL";
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SELECT tenant_attribute, query_count_in_this_period FROM citus_stat_tenants;
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tenant_attribute | query_count_in_this_period
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---------------------------------------------------------------------
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(0 rows)
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 1;
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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INSERT INTO dist_tbl VALUES (1, 1);
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SELECT tenant_attribute, query_count_in_this_period FROM citus_stat_tenants;
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tenant_attribute | query_count_in_this_period
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---------------------------------------------------------------------
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1 | 2
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(1 row)
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-- test special and multibyte characters in tenant attribute
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SELECT citus_stat_tenants_reset();
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citus_stat_tenants_reset
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---------------------------------------------------------------------
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(1 row)
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TRUNCATE TABLE dist_tbl_text;
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = '/bcde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = '/*bcde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = '/b*cde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = '/b*c/de';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'b/*//cde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = '/b/*/cde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = '/b/**/cde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde*';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde*/';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = U&'\0061\0308bc';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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\c - - - :worker_1_port
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SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants ORDER BY tenant_attribute;
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tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
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---------------------------------------------------------------------
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/*bcde | 1 | 0 | 1 | 0
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/b*c/de | 1 | 0 | 1 | 0
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/b*cde | 1 | 0 | 1 | 0
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/b/**/cde | 1 | 0 | 1 | 0
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/b/*/cde | 1 | 0 | 1 | 0
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/bcde | 1 | 0 | 1 | 0
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äbc | 1 | 0 | 1 | 0
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b/*//cde | 1 | 0 | 1 | 0
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bcde* | 1 | 0 | 1 | 0
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bcde*/ | 1 | 0 | 1 | 0
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(10 rows)
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\c - - - :worker_2_port
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SET search_path TO citus_stat_tenants;
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SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants ORDER BY tenant_attribute;
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tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
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---------------------------------------------------------------------
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/*bcde | 1 | 0 | 1 | 0
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/b*c/de | 1 | 0 | 1 | 0
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/b*cde | 1 | 0 | 1 | 0
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/b/**/cde | 1 | 0 | 1 | 0
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/b/*/cde | 1 | 0 | 1 | 0
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/bcde | 1 | 0 | 1 | 0
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äbc | 1 | 0 | 1 | 0
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b/*//cde | 1 | 0 | 1 | 0
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bcde* | 1 | 0 | 1 | 0
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bcde*/ | 1 | 0 | 1 | 0
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(10 rows)
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SELECT citus_stat_tenants_reset();
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citus_stat_tenants_reset
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---------------------------------------------------------------------
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(1 row)
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-- test local queries
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-- all of these distribution column values are from second worker
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = '/b*c/de';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = '/bcde';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = U&'\0061\0308bc';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde*';
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants_local ORDER BY tenant_attribute;
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tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
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---------------------------------------------------------------------
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/b*c/de | 1 | 0 | 1 | 0
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/bcde | 1 | 0 | 1 | 0
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äbc | 1 | 0 | 1 | 0
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bcde* | 1 | 0 | 1 | 0
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(4 rows)
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-- test local cached queries & prepared statements
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PREPARE dist_tbl_text_select_plan (text) AS SELECT count(*)>=0 FROM dist_tbl_text WHERE a = $1;
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EXECUTE dist_tbl_text_select_plan('/b*c/de');
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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EXECUTE dist_tbl_text_select_plan('/bcde');
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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EXECUTE dist_tbl_text_select_plan(U&'\0061\0308bc');
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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EXECUTE dist_tbl_text_select_plan('bcde*');
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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EXECUTE dist_tbl_text_select_plan('/b*c/de');
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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EXECUTE dist_tbl_text_select_plan('/bcde');
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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EXECUTE dist_tbl_text_select_plan(U&'\0061\0308bc');
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?column?
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---------------------------------------------------------------------
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t
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(1 row)
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EXECUTE dist_tbl_text_select_plan('bcde*');
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?column?
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---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('/b*c/de');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('/bcde');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan(U&'\0061\0308bc');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('bcde*');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants_local ORDER BY tenant_attribute;
|
|
tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
|
|
---------------------------------------------------------------------
|
|
/b*c/de | 4 | 0 | 4 | 0
|
|
/bcde | 4 | 0 | 4 | 0
|
|
äbc | 4 | 0 | 4 | 0
|
|
bcde* | 4 | 0 | 4 | 0
|
|
(4 rows)
|
|
|
|
\c - - - :master_port
|
|
SET search_path TO citus_stat_tenants;
|
|
PREPARE dist_tbl_text_select_plan (text) AS SELECT count(*)>=0 FROM dist_tbl_text WHERE a = $1;
|
|
EXECUTE dist_tbl_text_select_plan('/b*c/de');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('/bcde');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan(U&'\0061\0308bc');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('bcde*');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('/b*c/de');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('/bcde');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan(U&'\0061\0308bc');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('bcde*');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('/b*c/de');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('/bcde');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan(U&'\0061\0308bc');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
EXECUTE dist_tbl_text_select_plan('bcde*');
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
\c - - - :worker_2_port
|
|
SET search_path TO citus_stat_tenants;
|
|
SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants ORDER BY tenant_attribute;
|
|
tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
|
|
---------------------------------------------------------------------
|
|
/b*c/de | 7 | 0 | 7 | 0
|
|
/bcde | 7 | 0 | 7 | 0
|
|
äbc | 7 | 0 | 7 | 0
|
|
bcde* | 7 | 0 | 7 | 0
|
|
(4 rows)
|
|
|
|
\c - - - :master_port
|
|
SET search_path TO citus_stat_tenants;
|
|
SELECT citus_stat_tenants_reset();
|
|
citus_stat_tenants_reset
|
|
---------------------------------------------------------------------
|
|
|
|
(1 row)
|
|
|
|
SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'thisisaveryloooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooongname';
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT tenant_attribute, read_count_in_this_period, read_count_in_last_period, query_count_in_this_period, query_count_in_last_period FROM citus_stat_tenants ORDER BY tenant_attribute;
|
|
tenant_attribute | read_count_in_this_period | read_count_in_last_period | query_count_in_this_period | query_count_in_last_period
|
|
---------------------------------------------------------------------
|
|
thisisaverylooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo | 1 | 0 | 1 | 0
|
|
(1 row)
|
|
|
|
-- test role permissions
|
|
CREATE ROLE stats_non_superuser WITH LOGIN;
|
|
SET ROLE stats_non_superuser;
|
|
SELECT count(*)>=0 FROM citus_stat_tenants;
|
|
ERROR: permission denied for view citus_stat_tenants
|
|
SELECT count(*)>=0 FROM citus_stat_tenants_local;
|
|
ERROR: permission denied for view citus_stat_tenants_local
|
|
SELECT count(*)>=0 FROM citus_stat_tenants();
|
|
ERROR: permission denied for function citus_stat_tenants
|
|
SELECT count(*)>=0 FROM citus_stat_tenants_local();
|
|
ERROR: permission denied for function citus_stat_tenants_local
|
|
RESET ROLE;
|
|
GRANT pg_monitor TO stats_non_superuser;
|
|
SET ROLE stats_non_superuser;
|
|
SELECT count(*)>=0 FROM citus_stat_tenants;
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT count(*)>=0 FROM citus_stat_tenants_local;
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT count(*)>=0 FROM citus_stat_tenants();
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT count(*)>=0 FROM citus_stat_tenants_local();
|
|
?column?
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
RESET ROLE;
|
|
DROP ROLE stats_non_superuser;
|
|
SET client_min_messages TO ERROR;
|
|
DROP SCHEMA citus_stat_tenants CASCADE;
|