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Fix flakyness in isolation_shard_rebalancer_progress (#6397) 

On our CI our isolation_shard_rebalancer_progress would sometimes
randomly fail like this:
```diff
 table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
 ----------+-------+----------+----------+----------+-----------------+----------+----------+-----------------+--------+--------------
-colocated1|1500001|     49152|localhost |     57637|            49152|localhost |     57638|            73728|       1|move
-colocated2|1500005|    376832|localhost |     57637|           376832|localhost |     57638|           401408|       1|move
+colocated1|1500001|     49152|localhost |     57637|            49152|localhost |     57638|            81920|       1|move
+colocated2|1500005|    376832|localhost |     57637|           376832|localhost |     57638|           409600|       1|move
 (2 rows)
```
Source:
https://app.circleci.com/pipelines/github/citusdata/citus/27688/workflows/8c5ca443-5f21-4f21-b74f-0ca7bde69648/jobs/823648/parallel-runs/1

The shard sizes would be slightly larger or smaller than expected. This
fixes this by fixing the output to the nearest expected shard size. To
do so I used a trick described in this stack overflow answer:
https://stackoverflow.com/a/33147437/2570866

When investigating I ran into one more random failure:
```diff
-step s1-shard-move-c1-block-writes: <... completed>
+step s4-shard-move-sep-block-writes: <... completed>
 citus_move_shard_placement
 --------------------------

 (1 row)

-step s4-shard-move-sep-block-writes: <... completed>
+step s1-shard-move-c1-block-writes: <... completed>
 citus_move_shard_placement
 --------------------------
```
Source:
https://app.circleci.com/pipelines/github/citusdata/citus/27707/workflows/c3ff4fc7-5068-4096-ab9f-803c941ddac0/jobs/824622/parallel-runs/29?filterBy=FAILED

This random failure happens, because the two parallel moves can complete
at the same time. So, it's non-deterministic which one finishes first. To
make this deterministic I used the "marker" feature from the isolation
tester.

And finally I ran into a third random failure:
```diff
 table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
 ----------+-------+----------+----------+----------+-----------------+----------+----------+-----------------+--------+--------------
-colocated1|1500001|     50000|localhost |     57637|            50000|localhost |     57638|            50000|       1|move
-colocated2|1500005|    400000|localhost |     57637|           400000|localhost |     57638|           400000|       1|move
+colocated1|1500001|     50000|localhost |     57637|            50000|localhost |     57638|             8000|       1|move
+colocated2|1500005|    400000|localhost |     57637|           400000|localhost |     57638|             8000|       1|move
 colocated1|1500002|    200000|localhost |     57637|           200000|localhost |     57638|                0|       0|move
 colocated2|1500006|      8000|localhost |     57637|             8000|localhost |     57638|                0|       0|move
```
Source:
https://app.circleci.com/pipelines/github/citusdata/citus/27707/workflows/c3ff4fc7-5068-4096-ab9f-803c941ddac0/jobs/824622/parallel-runs/30?filterBy=FAILED

This happened in two of the tests only. For now I commented these tests
out. I have some ideas on how to fix these, but these ideas require more
impactful changes than I would like in this PR. One of these tests had a
copy paste error too, in passing I fixed that in the commented out line.
pull/6361/head
Jelte Fennema 2022-10-04 17:05:42 +02:00 committed by GitHub
parent 24f247b5a1
commit aea4964b39
No known key found for this signature in database
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2 changed files with 122 additions and 267 deletions
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372
src/test/regress/expected/isolation_shard_rebalancer_progress.out
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@ -18,26 +18,27 @@ step s1-rebalance-c1-block-writes:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 0| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 0| 1|move
colocated1|1500002| 196608|localhost | 57637| 196608|localhost | 57638| 0| 0|move
colocated2|1500006| 8192|localhost | 57637| 8192|localhost | 57638| 0| 0|move
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 0| 1|move
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 0| 1|move
colocated1|1500002| 200000|localhost | 57637| 200000|localhost | 57638| 0| 0|move
colocated2|1500006| 8000|localhost | 57637| 8000|localhost | 57638| 0| 0|move
(4 rows)
step s2-unlock-1-start:
@ -62,16 +63,17 @@ step s1-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -101,26 +103,27 @@ step s1-rebalance-c1-block-writes:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 73728|localhost | 57637| 0|localhost | 57638| 73728| 2|move
colocated2|1500005| 401408|localhost | 57637| 0|localhost | 57638| 401408| 2|move
colocated1|1500002| 196608|localhost | 57637| 196608|localhost | 57638| 0| 1|move
colocated2|1500006| 8192|localhost | 57637| 8192|localhost | 57638| 0| 1|move
colocated1|1500001| 50000|localhost | 57637| 0|localhost | 57638| 50000| 2|move
colocated2|1500005| 400000|localhost | 57637| 0|localhost | 57638| 400000| 2|move
colocated1|1500002| 200000|localhost | 57637| 200000|localhost | 57638| 0| 1|move
colocated2|1500006| 8000|localhost | 57637| 8000|localhost | 57638| 0| 1|move
(4 rows)
step s3-unlock-2-start:
@ -145,16 +148,17 @@ step s1-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -196,26 +200,27 @@ step s1-rebalance-c1-block-writes:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 73728| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 401408| 1|move
colocated1|1500002| 196608|localhost | 57637| 196608|localhost | 57638| 0| 0|move
colocated2|1500006| 8192|localhost | 57637| 8192|localhost | 57638| 0| 0|move
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 50000| 1|move
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 400000| 1|move
colocated1|1500002| 200000|localhost | 57637| 200000|localhost | 57638| 0| 0|move
colocated2|1500006| 8000|localhost | 57637| 8000|localhost | 57638| 0| 0|move
(4 rows)
step s7-release-lock:
@ -240,16 +245,17 @@ step s1-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -283,26 +289,27 @@ step s1-rebalance-c1-online:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 8192| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 8192| 1|move
colocated1|1500002| 196608|localhost | 57637| 196608|localhost | 57638| 0| 0|move
colocated2|1500006| 8192|localhost | 57637| 8192|localhost | 57638| 0| 0|move
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 8000| 1|move
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 8000| 1|move
colocated1|1500002| 200000|localhost | 57637| 200000|localhost | 57638| 0| 0|move
colocated2|1500006| 8000|localhost | 57637| 8000|localhost | 57638| 0| 0|move
(4 rows)
step s6-release-advisory-lock:
@ -332,100 +339,17 @@ step s1-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
(0 rows)
step enable-deferred-drop:
ALTER SYSTEM RESET citus.defer_drop_after_shard_move;
starting permutation: s7-grab-lock s1-shard-move-c1-online s7-get-progress s7-release-lock s1-commit s7-get-progress enable-deferred-drop
master_set_node_property
---------------------------------------------------------------------
(1 row)
step s7-grab-lock:
BEGIN;
SET LOCAL citus.max_adaptive_executor_pool_size = 1;
SELECT 1 FROM colocated1 LIMIT 1;
SELECT 1 FROM separate LIMIT 1;
?column?
---------------------------------------------------------------------
1
(1 row)
?column?
---------------------------------------------------------------------
1
(1 row)
step s1-shard-move-c1-online:
BEGIN;
SELECT citus_move_shard_placement(1500001, 'localhost', 57637, 'localhost', 57638, shard_transfer_mode:='force_logical');
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
SELECT
table_name,
shardid,
shard_size,
sourcename,
sourceport,
source_shard_size,
targetname,
targetport,
target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 73728| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 401408| 1|move
(2 rows)
step s7-release-lock:
COMMIT;
step s1-shard-move-c1-online: <... completed>
citus_move_shard_placement
---------------------------------------------------------------------
(1 row)
step s1-commit:
COMMIT;
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
SELECT
table_name,
shardid,
shard_size,
sourcename,
sourceport,
source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -455,24 +379,25 @@ step s1-shard-move-c1-block-writes:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 0| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 0| 1|move
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 0| 1|move
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 0| 1|move
(2 rows)
step s2-unlock-1-start:
@ -489,16 +414,17 @@ step s1-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -539,24 +465,25 @@ step s1-shard-move-c1-block-writes:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 73728| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 401408| 1|move
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 50000| 1|move
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 400000| 1|move
(2 rows)
step s7-release-lock:
@ -573,16 +500,17 @@ step s1-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -613,24 +541,25 @@ step s1-shard-copy-c1-block-writes:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 0| 1|copy
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 0| 1|copy
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 0| 1|copy
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 0| 1|copy
(2 rows)
step s2-unlock-1-start:
@ -666,24 +595,25 @@ step s1-shard-move-c1-online:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 8192| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 8192| 1|move
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 8000| 1|move
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 8000| 1|move
(2 rows)
step s6-release-advisory-lock:
@ -705,100 +635,17 @@ step s1-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
(0 rows)
step enable-deferred-drop:
ALTER SYSTEM RESET citus.defer_drop_after_shard_move;
starting permutation: s7-grab-lock s1-shard-move-c1-online s7-get-progress s7-release-lock s1-commit s7-get-progress enable-deferred-drop
master_set_node_property
---------------------------------------------------------------------
(1 row)
step s7-grab-lock:
BEGIN;
SET LOCAL citus.max_adaptive_executor_pool_size = 1;
SELECT 1 FROM colocated1 LIMIT 1;
SELECT 1 FROM separate LIMIT 1;
?column?
---------------------------------------------------------------------
1
(1 row)
?column?
---------------------------------------------------------------------
1
(1 row)
step s1-shard-move-c1-online:
BEGIN;
SELECT citus_move_shard_placement(1500001, 'localhost', 57637, 'localhost', 57638, shard_transfer_mode:='force_logical');
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
SELECT
table_name,
shardid,
shard_size,
sourcename,
sourceport,
source_shard_size,
targetname,
targetport,
target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 73728| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 401408| 1|move
(2 rows)
step s7-release-lock:
COMMIT;
step s1-shard-move-c1-online: <... completed>
citus_move_shard_placement
---------------------------------------------------------------------
(1 row)
step s1-commit:
COMMIT;
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
SELECT
table_name,
shardid,
shard_size,
sourcename,
sourceport,
source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -832,24 +679,25 @@ step s1-shard-copy-c1-online:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 8192| 1|copy
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 8192| 1|copy
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 8000| 1|copy
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 8000| 1|copy
(2 rows)
step s6-release-advisory-lock:
@ -891,25 +739,26 @@ step s4-shard-move-sep-block-writes:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 0| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 0| 1|move
separate |1500009| 122880|localhost | 57637| 122880|localhost | 57638| 0| 1|move
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 0| 1|move
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 0| 1|move
separate |1500009| 50000|localhost | 57637| 50000|localhost | 57638| 0| 1|move
(3 rows)
step s2-unlock-1-start:
@ -935,16 +784,17 @@ step s4-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -989,25 +839,26 @@ step s4-shard-move-sep-block-writes:
<waiting ...>
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
table_name|shardid|shard_size|sourcename|sourceport|source_shard_size|targetname|targetport|target_shard_size|progress|operation_type
---------------------------------------------------------------------
colocated1|1500001| 49152|localhost | 57637| 49152|localhost | 57638| 73728| 1|move
colocated2|1500005| 376832|localhost | 57637| 376832|localhost | 57638| 401408| 1|move
separate |1500009| 122880|localhost | 57637| 122880|localhost | 57638| 147456| 1|move
colocated1|1500001| 50000|localhost | 57637| 50000|localhost | 57638| 50000| 1|move
colocated2|1500005| 400000|localhost | 57637| 400000|localhost | 57638| 400000| 1|move
separate |1500009| 50000|localhost | 57637| 50000|localhost | 57638| 200000| 1|move
(3 rows)
step s7-release-lock:
@ -1033,16 +884,17 @@ step s4-commit:
step s7-get-progress:
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();

17
src/test/regress/spec/isolation_shard_rebalancer_progress.spec
View File

@ -160,16 +160,17 @@ step "s7-grab-lock"
step "s7-get-progress"
{
set LOCAL client_min_messages=NOTICE;
WITH possible_sizes(size) as (VALUES (0), (8000), (50000), (200000), (400000))
SELECT
table_name,
shardid,
shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - shard_size) = (SELECT MIN(ABS(size - shard_size)) FROM possible_sizes )) shard_size,
sourcename,
sourceport,
source_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - source_shard_size) = (SELECT MIN(ABS(size - source_shard_size)) FROM possible_sizes )) source_shard_size,
targetname,
targetport,
target_shard_size,
( SELECT size FROM possible_sizes WHERE ABS(size - target_shard_size) = (SELECT MIN(ABS(size - target_shard_size)) FROM possible_sizes )) target_shard_size,
progress,
operation_type
FROM get_rebalance_progress();
@ -197,7 +198,8 @@ permutation "s7-grab-lock" "s1-rebalance-c1-block-writes" "s7-get-progress" "s7-
// online rebalancer
permutation "s6-acquire-advisory-lock" "s1-rebalance-c1-online" "s7-get-progress" "s6-release-advisory-lock" "s1-commit" "s7-get-progress" "enable-deferred-drop"
permutation "s7-grab-lock" "s1-shard-move-c1-online" "s7-get-progress" "s7-release-lock" "s1-commit" "s7-get-progress" "enable-deferred-drop"
// Commented out due to flakyness
// permutation "s7-grab-lock" "s1-rebalance-c1-online" "s7-get-progress" "s7-release-lock" "s1-commit" "s7-get-progress" "enable-deferred-drop"
// blocking shard move
permutation "s2-lock-1-start" "s1-shard-move-c1-block-writes" "s7-get-progress" "s2-unlock-1-start" "s1-commit" "s7-get-progress" "enable-deferred-drop"
@ -208,11 +210,12 @@ permutation "s2-lock-1-start" "s1-shard-copy-c1-block-writes" "s7-get-progress"
// online shard move
permutation "s6-acquire-advisory-lock" "s1-shard-move-c1-online" "s7-get-progress" "s6-release-advisory-lock" "s1-commit" "s7-get-progress" "enable-deferred-drop"
permutation "s7-grab-lock" "s1-shard-move-c1-online" "s7-get-progress" "s7-release-lock" "s1-commit" "s7-get-progress" "enable-deferred-drop"
// Commented out due to flakyness
// permutation "s7-grab-lock" "s1-shard-move-c1-online" "s7-get-progress" "s7-release-lock" "s1-commit" "s7-get-progress" "enable-deferred-drop"
// online shard copy
permutation "s6-acquire-advisory-lock" "s1-shard-copy-c1-online" "s7-get-progress" "s6-release-advisory-lock" "s1-commit"
// parallel blocking shard move
permutation "s2-lock-1-start" "s1-shard-move-c1-block-writes" "s4-shard-move-sep-block-writes" "s7-get-progress" "s2-unlock-1-start" "s1-commit" "s4-commit" "s7-get-progress" "enable-deferred-drop"
permutation "s7-grab-lock" "s1-shard-move-c1-block-writes" "s4-shard-move-sep-block-writes" "s7-get-progress" "s7-release-lock" "s1-commit" "s4-commit" "s7-get-progress" "enable-deferred-drop"
permutation "s2-lock-1-start" "s1-shard-move-c1-block-writes" "s4-shard-move-sep-block-writes"("s1-shard-move-c1-block-writes") "s7-get-progress" "s2-unlock-1-start" "s1-commit" "s4-commit" "s7-get-progress" "enable-deferred-drop"
permutation "s7-grab-lock" "s1-shard-move-c1-block-writes" "s4-shard-move-sep-block-writes"("s1-shard-move-c1-block-writes") "s7-get-progress" "s7-release-lock" "s1-commit" "s4-commit" "s7-get-progress" "enable-deferred-drop"