mariadb/mysql-test/suite/innodb/t/mem_pressure.test
2025-04-02 14:07:01 +03:00

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Text

--source include/have_debug.inc
--source include/not_embedded.inc
--source include/have_innodb.inc
--source include/have_sequence.inc
--source include/word_size.inc
--echo #
--echo # MDEV-24670 avoid OOM by linux kernel co-operative memory management
--echo #
set @save_dbug=@@debug_dbug;
set @save_limit=@@GLOBAL.innodb_limit_optimistic_insert_debug;
# Wait for the undo logs to be empty from previous tests.
# This is not an actual parameter, so there is no need to restore it.
set GLOBAL innodb_max_purge_lag_wait=0;
SET @innodb_buffer_pool_size= @@GLOBAL.innodb_buffer_pool_size;
SET @innodb_buffer_pool_size_min= @@GLOBAL.innodb_buffer_pool_size_auto_min;
SELECT
@@GLOBAL.innodb_buffer_pool_size,
@@GLOBAL.innodb_buffer_pool_size_auto_min,
@@GLOBAL.innodb_buffer_pool_size_max;
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB CHARSET=latin1;
SET GLOBAL innodb_limit_optimistic_insert_debug=2;
SET STATEMENT unique_checks=0, foreign_key_checks=0 FOR
INSERT INTO t1 SELECT * FROM seq_1_to_1000;
SET GLOBAL innodb_limit_optimistic_insert_debug=@save_limit;
DROP TABLE t1;
SET STATEMENT debug_dbug="d,trigger_garbage_collection" FOR
SET GLOBAL innodb_buffer_pool_size=@innodb_buffer_pool_size;
let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err;
let SEARCH_PATTERN= Memory pressure event disregarded.*;
let SEARCH_WAIT= FOUND;
--source include/search_pattern_in_file.inc
SET STATEMENT debug_dbug="d,trigger_garbage_collection" FOR
SET GLOBAL innodb_buffer_pool_size_auto_min=
CAST(@innodb_buffer_pool_size/2 AS UNSIGNED),
innodb_buffer_pool_size=@innodb_buffer_pool_size;
# The garbage collection happens asynchronously after trigger, in a background
# thread. So wait for it to happen to avoid sporadic failure.
let $wait_condition=
select @@global.innodb_buffer_pool_size < @innodb_buffer_pool_size;
--source include/wait_condition.inc
eval $wait_condition;
let SEARCH_PATTERN= InnoDB: Memory pressure event shrunk.*;
let SEARCH_WAIT= FOUND;
--source include/search_pattern_in_file.inc
set debug_dbug=@save_dbug;
SET GLOBAL innodb_buffer_pool_size= @innodb_buffer_pool_size;
SET GLOBAL innodb_buffer_pool_size_auto_min=@innodb_buffer_pool_size_min;
--echo # End of 10.11 tests