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Add guc diskquota.max_reject_entries that control size of
local_disk_quota_reject_map. The size of disk_quota_reject_map is calculated as the maximum size of the local table multiplied by the maximum number of databases. The variables that store the time of the last report on reaching the limit are now stored in shared memory to prevent spam from dynamic workers.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| -- | ||
| -- This file contains tests for limiting reject map | ||
| -- | ||
| \! gpconfig -c diskquota.max_reject_entries -v 4 > /dev/null | ||
| \! gpstop -arf > /dev/null | ||
| \c | ||
| CREATE DATABASE test_reject_map_limit_01; | ||
| \c test_reject_map_limit_01 | ||
| CREATE EXTENSION diskquota; | ||
| SELECT diskquota.wait_for_worker_new_epoch(); | ||
| wait_for_worker_new_epoch | ||
| --------------------------- | ||
| t | ||
| (1 row) | ||
|
|
||
| CREATE EXTERNAL WEB TABLE master_log(line text) | ||
| EXECUTE 'cat $GP_SEG_DATADIR/pg_log/$(ls -Art $GP_SEG_DATADIR/pg_log | tail -n 1)' | ||
| ON MASTER FORMAT 'TEXT' (DELIMITER 'OFF'); | ||
| CREATE SCHEMA s1; | ||
| CREATE SCHEMA s2; | ||
| CREATE SCHEMA s3; | ||
| CREATE SCHEMA s4; | ||
| CREATE SCHEMA s5; | ||
| SELECT diskquota.set_schema_quota('s1', '1 MB'); | ||
| set_schema_quota | ||
| ------------------ | ||
|
|
||
| (1 row) | ||
|
|
||
| SELECT diskquota.set_schema_quota('s2', '1 MB'); | ||
| set_schema_quota | ||
| ------------------ | ||
|
|
||
| (1 row) | ||
|
|
||
| SELECT diskquota.set_schema_quota('s3', '1 MB'); | ||
| set_schema_quota | ||
| ------------------ | ||
|
|
||
| (1 row) | ||
|
|
||
| SELECT diskquota.set_schema_quota('s4', '1 MB'); | ||
| set_schema_quota | ||
| ------------------ | ||
|
|
||
| (1 row) | ||
|
|
||
| SELECT diskquota.set_schema_quota('s5', '1 MB'); | ||
| set_schema_quota | ||
| ------------------ | ||
|
|
||
| (1 row) | ||
|
|
||
| SELECT diskquota.wait_for_worker_new_epoch(); | ||
| wait_for_worker_new_epoch | ||
| --------------------------- | ||
| t | ||
| (1 row) | ||
|
|
||
| CREATE TABLE s1.a(i int) DISTRIBUTED BY (i); | ||
| CREATE TABLE s2.a(i int) DISTRIBUTED BY (i); | ||
| CREATE TABLE s3.a(i int) DISTRIBUTED BY (i); | ||
| CREATE TABLE s4.a(i int) DISTRIBUTED BY (i); | ||
| CREATE TABLE s5.a(i int) DISTRIBUTED BY (i); | ||
| INSERT INTO s1.a SELECT generate_series(1,100000); | ||
| INSERT INTO s2.a SELECT generate_series(1,100000); | ||
| INSERT INTO s3.a SELECT generate_series(1,100000); | ||
| INSERT INTO s4.a SELECT generate_series(1,100000); | ||
| INSERT INTO s5.a SELECT generate_series(1,100000); | ||
| SELECT diskquota.wait_for_worker_new_epoch(); | ||
| wait_for_worker_new_epoch | ||
| --------------------------- | ||
| t | ||
| (1 row) | ||
|
|
||
| SELECT count(*) FROM master_log WHERE line LIKE '%the number of local quota reject map entries reached the limit%' AND line NOT LIKE '%LOG%'; | ||
| count | ||
| ------- | ||
| 1 | ||
| (1 row) | ||
|
|
||
| INSERT INTO s5.a SELECT generate_series(1,10); -- should be successful | ||
| DROP EXTENSION diskquota; | ||
| \c contrib_regression | ||
| DROP DATABASE test_reject_map_limit_01; | ||
| \! gpconfig -r diskquota.max_reject_entries > /dev/null | ||
| \! gpstop -arf > /dev/null |
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