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Mysql slave invalidating query cache entries table

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From the bug reports, it seems to make a difference...Any help as to how best to test my theory would be greatly appreciated.Sometimes you can be proactive and plan in advance for performance, while other times you might troubleshoot a configuration or code issue after a problem occurs.Optimizing CPU and memory usage can also improve scalability, allowing the database to handle more load without slowing down.Optimization involves configuring, tuning, and measuring performance, at several levels.

mysql slave invalidating query cache entries table-51

First because i dont't see the servers processing anything, and second, because as i mentiomed in update4, the server stops processing and gets stuck on invalidating cache on the old non-Percona servers which caused the replication to halt until the cache was invalidated (Which took a lot of time).

If you want to check the master's binary log or slave's relay log, you will be able to know their names by issuing 'SHOW SLAVE STATUS' on this slave.

mysql_long_quarys SELECT url, owner FROM phurl_urls WHERE BINARY code = 'BSFz TEub';# Time: 130629 # [email protected]: sam117_crypt[sam117_crypt] @ localhost []# Thread_id: 13 Schema: sam117_crypt# Query_time: 0.002139 Lock_time: 0.000052 Rows_sent: 1 Rows_examined: 9006 Rows_affected: 0 Rows_read: 9006SELECT url, owner FROM phurl_urls WHERE BINARY code = '3LKm8i Qt';# [email protected]: sam117_crypt[sam117_crypt] @ localhost []# Thread_id: 14 Schema: sam117_crypt# Query_time: 0.002205 Lock_time: 0.000052 Rows_sent: 1 Rows_examined: 9006 Rows_affected: 0 Rows_read: 9006SELECT url, owner FROM phurl_urls WHERE BINARY code = 'OIv4K1gb';# [email protected]: sam117_crypt[sam117_crypt] @ localhost []# Thread_id: 15 Schema: sam117_crypt# Query_time: 0.002200 Lock_time: 0.000052 Rows_sent: 1 Rows_examined: 9006 Rows_affected: 0 Rows_read: 9006SELECT url, owner FROM phurl_urls WHERE BINARY code = 'Z8ze DBv E'; phurl_urls code id , code - .

While these choices themselves are orthogonal, engineering resources are finite.

Scale Arc supports string, boolean, long, double, short, byte, binary, decimal, byte Array, date, time, timestamp, and Character Streams as column types.