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Merge remote-tracking branch 'origin/QA_4_0'

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Michal Čihař 2013-07-23 11:34:50 +02:00
commit 1d5ca5375e
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libraries/advisory_rules.txt
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@ -200,8 +200,8 @@ rule 'Query cache max size' [!fired('Query cache disabled')]
Current query cache size: %s | implode(' ',ADVISOR_formatByteDown(value, 2, 2))
rule 'Query cache min result size' [!fired('Query cache disabled')]
value == 1024*1024
query_cache_limit
value == 1024*1024
The max size of the result set in the query cache is the default of 1 MiB.
Changing {query_cache_limit} (usually by increasing) may increase efficiency. This variable determines the maximum size a query result may have to be inserted into the query cache. If there are many query results above 1 MiB that are well cacheable (many reads, little writes) then increasing {query_cache_limit} will increase efficiency. Whereas in the case of many query results being above 1 MiB that are not very well cacheable (often invalidated due to table updates) increasing {query_cache_limit} might reduce efficiency.
query_cache_limit is set to 1 MiB