mirror of https://github.com/citusdata/citus.git
113 lines
4.9 KiB
SQL
113 lines
4.9 KiB
SQL
CREATE SCHEMA citus_stats_tenants;
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SET search_path TO citus_stats_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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CREATE OR REPLACE FUNCTION pg_catalog.clean_citus_stats_tenants()
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RETURNS VOID
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LANGUAGE C
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AS 'citus', $$clean_citus_stats_tenants$$;
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SELECT result FROM run_command_on_all_nodes('SELECT clean_citus_stats_tenants()');
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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 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 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 TABLE ref_tbl (a INT, b INT);
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SELECT create_reference_table('ref_tbl');
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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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INSERT INTO dist_tbl VALUES (3, 'abcd');
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INSERT INTO dist_tbl VALUES (4, 'abcd');
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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_stats_tenants ORDER BY tenant_attribute;
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\c - - - :worker_2_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_stats_tenants ORDER BY tenant_attribute;
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\c - - - :master_port
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SET search_path TO citus_stats_tenants;
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SELECT result FROM run_command_on_all_nodes('ALTER SYSTEM SET citus.stats_tenants_period TO 3');
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SELECT result FROM run_command_on_all_nodes('SELECT pg_reload_conf()');
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 1;
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 2;
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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_stats_tenants ORDER BY tenant_attribute;
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\c - - - :worker_2_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_stats_tenants ORDER BY tenant_attribute;
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\c - - - :master_port
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SELECT pg_sleep (3);
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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_stats_tenants ORDER BY tenant_attribute;
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\c - - - :worker_2_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_stats_tenants ORDER BY tenant_attribute;
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\c - - - :master_port
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SET search_path TO citus_stats_tenants;
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SELECT result FROM run_command_on_all_nodes('ALTER SYSTEM SET citus.stats_tenants_period TO 60');
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SELECT result FROM run_command_on_all_nodes('SELECT pg_reload_conf()');
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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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-- 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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\c - - - :worker_1_port
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SELECT tenant_attribute, query_count_in_this_period FROM citus_stats_tenants ORDER BY tenant_attribute;
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\c - - - :master_port
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SET search_path TO citus_stats_tenants;
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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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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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\c - - - :worker_1_port
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SELECT tenant_attribute, query_count_in_this_period FROM citus_stats_tenants WHERE tenant_attribute = '1';
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\c - - - :master_port
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SET search_path TO citus_stats_tenants;
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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 count(*)>=0 FROM dist_tbl WHERE a = 2;
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 3;
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SELECT count(*)>=0 FROM dist_tbl WHERE a = 4;
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'abcd';
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\c - - - :worker_2_port
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SELECT tenant_attribute, query_count_in_this_period, score FROM citus_stats_tenants(true) ORDER BY score DESC;
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\c - - - :master_port
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SET search_path TO citus_stats_tenants;
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'abcd';
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'abcd';
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde';
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\c - - - :worker_2_port
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SELECT tenant_attribute, query_count_in_this_period, score FROM citus_stats_tenants(true) ORDER BY score DESC;
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\c - - - :master_port
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SET search_path TO citus_stats_tenants;
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde';
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'bcde';
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SELECT count(*)>=0 FROM dist_tbl_text WHERE a = 'cdef';
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\c - - - :worker_2_port
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SELECT tenant_attribute, query_count_in_this_period, score FROM citus_stats_tenants(true) ORDER BY score DESC;
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\c - - - :master_port
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SET client_min_messages TO ERROR;
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DROP SCHEMA citus_stats_tenants CASCADE;
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