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-rw-r--r--mysql-test/suite/innodb/t/mem_pressure.test44
1 files changed, 44 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/t/mem_pressure.test b/mysql-test/suite/innodb/t/mem_pressure.test
new file mode 100644
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+++ b/mysql-test/suite/innodb/t/mem_pressure.test
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+--source include/have_debug.inc
+--source include/linux.inc
+--source include/not_embedded.inc
+--source include/have_innodb.inc
+--source include/have_sequence.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;
+
+CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
+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;
+
+SELECT CAST(VARIABLE_VALUE AS INTEGER) INTO @dirty_prev
+FROM INFORMATION_SCHEMA.GLOBAL_STATUS
+WHERE VARIABLE_NAME='Innodb_buffer_pool_pages_dirty';
+
+set debug_dbug="d,trigger_garbage_collection";
+SET GLOBAL innodb_buffer_pool_size=@@innodb_buffer_pool_size;
+
+SELECT CAST(VARIABLE_VALUE AS INTEGER) < @dirty_prev AS LESS_DIRTY_IS_GOOD
+FROM INFORMATION_SCHEMA.GLOBAL_STATUS
+WHERE VARIABLE_NAME='Innodb_buffer_pool_pages_dirty';
+
+let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err;
+let SEARCH_PATTERN= InnoDB: Memory pressure event freed.*;
+--source include/search_pattern_in_file.inc
+
+set debug_dbug=@save_dbug;
+
+--echo # End of 10.11 tests