MySQLExpert
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Just because the database can perform an operation, does not mean it's efficient. ORDER BY RAND() for example. There are better code ways!
8:21 AM Nov 25th
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Verifying MySQL db schema's in dev/test/prod or large replication topologies made easier with Schema Sync -
10:40 AM Nov 24th
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If you want to poll a large network for any MySQL servers, try polling the default port $nc -z hostname 3306 $?=0 indicates open MySQL port
11:30 AM Nov 23rd
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Plenty of great MySQL and MySQL related content being discussed at in Portland
11:33 AM Nov 15th
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skip-name-resolve is a valuable parameter to know about. Eliminating DNS lookups can improve performance.
10:17 AM Oct 7th
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SHOW PROCESSLIST can also provide valuable host stats. You should monitor per host connections,sleeping,max sleeping and >95pct sleep.
9:00 AM Oct 6th
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Know the different states in the SHOW PROCESSLIST that affect your performance. This article provides a good overview.
9:18 PM Oct 4th
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The SHOW FULL PROCESSLIST provides a snapshot of current SQL activity.While not a complete transaction view, valuable info can be determined
6:36 PM Sep 28th
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EXPLAIN is an essential tool for MySQL developers. Check out this detailed presentation --
4:49 PM Sep 24th
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If you don't know what QEP means,if you don't use or know how to interpret EXPLAIN output,now is the time to start. An essential MySQL tool.
9:12 AM Sep 16th
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How consistent is your replication environment at crash time? innodb_support_xa, sync_binlog are two important and often unset variables
9:07 AM Sep 15th
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A very neat and simple 1 line command to determine per table INSERT/UPDATE/DELETE statistics on your server --
5:13 PM Sep 9th
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The amount of Innodb auto recovery can be calculated with 'Log flushed up to' - 'Last checkpoint at'.Found in LOG part of SHOW INNODB STATUS
5:57 PM Sep 3rd
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Innodb does perform an automatic recovery on MySQL restart. The factors of how long include current load and innodb_log_file_size*group.
2:02 PM Aug 28th
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MyISAM does not perform automatic data recovery after a mysqld/server crash. A common option used is --myisam-recover=FORCE,BACKUP
10:00 AM Aug 19th
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Correct @, a partial index is the left most portion of a given character column. Read more at
5:41 PM Jul 22nd
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Understanding Different MySQL Index Implementations. Read more at
5:40 PM Jul 22nd
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Do you know the difference between single column indexes, concatenated indexes,covering indexes and partial indexes.Each affect performance.
10:13 AM Jul 20th
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Be sure to check out @ for a good collection of valuable reference and reading material. --
9:38 AM Jul 16th
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What is your DR plan for disk full? Be sure to include MySQL binlog partition full in your scenarios. See
1:04 AM Jul 16th
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- Name Ronald Bradford
- Location New York
- Web http://mysql-expe...
- Bio Get great learning tips from MySQL Expert Ronald Bradford
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