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47a5eed437
This shows the maximum memory allocations used by the current connection. The value for @@global.max_memory_used is 0 as we are not collecting this value as it would cause a notable performance issue registering this for all threads for every memory allocation Reviewed-by: Sergei Golubchik <serg@mariadb.org>
20 lines
586 B
Text
20 lines
586 B
Text
#
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# Added status variable "Max_memory_used" to SHOW STATUS
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#
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let $l1=`show status like "max_memory_used"`;
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--disable_result_log
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select * from information_schema.processlist where id=0;
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--enable_result_log
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let $l2=`show status like "max_memory_used"`;
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--disable_query_log
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eval SET @l1= SUBSTRING_INDEX('$l1', ' ', -1);
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eval SET @l2= SUBSTRING_INDEX('$l2', ' ', -1);
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eval select @l1 > 10000 as "should be true";
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eval select @l2+0 > @l1+0 as "should be true";
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--enable_query_log
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# global max_memory should be NULL as we cannot calculate this
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show global status like "max_memory_used";
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