…MySQL 5.5 with addition of user variables, stored procedures, prepared statements…cache reduces memory consumption to be withing the reason. Connection Related Allocations Another set of buffers correspond to connections – orphaned prepared statements…you can query temporary tables too: mysql> select …
Post: MySQL Query Cache
July 27, 2006 By 69 Comments
…prepared statements and cursors Query Cache works with query text and want full result set at once. In prepared statements there is query…
Post: MySQL Query Cache and prepared statements - support comming ?
March 15, 2007 By Leave a Comment
… get Query Cache working with prepared statements in MySQL 5.1 The interesting thing Konstantin notes it just took few days to fix it – I believe MySQL… MySQL getting even better results in SpecJAppServer benchmarks as previously it was hard choice – if you want to have fast prepared statements without query cache…
Post: New SpecJAppServer results at MySQL and Sun.
November 12, 2008 By Leave a Comment
…Prepared statements generally should have helped this benchmark because it has a lot of same queries an Prepared Statements…cache = 16 query_cache_size = 0M thread_concurrency = 8 max_heap_table_size=200M log-output = FILE log-slow-queries=/tmp/mysql-slow.log long_query…
Post: 10+ Ways to Crash or Overload MySQL
November 13, 2007 By 20 Comments
…mysql_stmt_send_long_data call – Server buffers such data until you have executed prepared statement. Innodb Table Cache…MySQL server to run out of file descriptors. The same is true for Partitioned tables in MySQL 5…and wipe off both MySQL and OS caches which can cause other users queries to perform …
Post: Top 5 Wishes for MySQL
June 29, 2007 By 10 Comments
…’m saying about Prepared Statements in MySQL 4.1 which came without query cache support but even worse not all of statements could be prepared not to… where for very long time. For example Query Cache support for Prepared Statements is only fixed in MySQL 5.1 and Most of other items are…
Comment: MySQL Prepared Statements
November 3, 2011 By 19 Comments
Beginning with 5.1.17, prepared statements use the query cache under certain conditions, which differ depending on the preparation method: http://dev.mysql.com/doc/refman/5.1/en/query-cache-operation.html
Post: High Rate insertion with MySQL and Innodb
January 7, 2011 By 16 Comments
… multiple tables. Using multiple key caches was the good solution at …MySQL 5.5 (frankly I did not try Percona Server 5.1 in this case) With MySQL 5… impact performance of your select queries dramatically. The inserts in this … prepared bulk insert statements). We need to try new Percona Server 5.5 on …
Post: How Percona does a MySQL Performance Audit
November 24, 2008 By 17 Comments
…): vmstat 5 5 iostat -dx 5 5 If… 205174 | | Aborted_connects | 29 | | Binlog_cache_disk_use | 0 | | Binlog_cache_use | 9630066 | | Bytes_received…client about it. Preparing to report…queries, in total execution time. By the way, the slow query logs in the stock MySQL… out the statements and analyze them…
Post: Updated msl (microslow) patch, installation walk-through!
April 20, 2008 By 17 Comments
… file sql/sql_cache.cc patching file …prepared for compilation, so you are ready to run it: (garfield:~/work/mysql-5…rate_limit=# Rate limit statement writes to slow log…query_time=# Log all queries that have taken more than long_query_time microseconds to execute to file. This option is standard MySQL…
