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26 lines
1.1 KiB
Text
26 lines
1.1 KiB
Text
#
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# MDEV-24670 avoid OOM by linux kernel co-operative memory management
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#
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set @save_dbug=@@debug_dbug;
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set @save_limit=@@GLOBAL.innodb_limit_optimistic_insert_debug;
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set GLOBAL innodb_max_purge_lag_wait=0;
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CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB CHARSET=latin1;
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SET GLOBAL innodb_limit_optimistic_insert_debug=2;
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SET STATEMENT unique_checks=0, foreign_key_checks=0 FOR
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INSERT INTO t1 SELECT * FROM seq_1_to_1000;
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SET GLOBAL innodb_limit_optimistic_insert_debug=@save_limit;
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DROP TABLE t1;
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SELECT CAST(VARIABLE_VALUE AS INTEGER) INTO @dirty_prev
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FROM INFORMATION_SCHEMA.GLOBAL_STATUS
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WHERE VARIABLE_NAME='Innodb_buffer_pool_pages_dirty';
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set debug_dbug="d,trigger_garbage_collection";
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SET GLOBAL innodb_buffer_pool_size=@@innodb_buffer_pool_size;
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FOUND 1 /[Mm]emory pressure.*/ in mysqld.1.err
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SELECT CAST(VARIABLE_VALUE AS INTEGER) < @dirty_prev AS LESS_DIRTY_IS_GOOD
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FROM INFORMATION_SCHEMA.GLOBAL_STATUS
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WHERE VARIABLE_NAME='Innodb_buffer_pool_pages_dirty';
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LESS_DIRTY_IS_GOOD
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1
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FOUND 1 /InnoDB: Memory pressure event freed.*/ in mysqld.1.err
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set debug_dbug=@save_dbug;
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# End of 10.11 tests
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