…-backed write cache), etc., but the…MySQL replication from this instance, since MySQL replication is asynchronous. What about semi-sync MySQL…statement transactions since it cannot be assumed that those are not applying application logic in between the statements… trouble and you are not prepared …
Post: Benchmarking Percona Server TokuDB vs InnoDB
May 7, 2013 By 32 Comments
… .. ON DUPLICATE KEY UPDATE statements for that), so it… PRIMARY KEY (`hid`,`mid`,`id`) ) and transactions are: $HID=rand(0,…prepared_stmt_count=500000 max_connect_errors = 10 table_open_cache = 2048 max_allowed_packet = 16M binlog_cache…1 myisam_recover socket=/var/lib/mysql/mysql.sock user=root skip…
Post: MySQL Prepared Statements
August 2, 2006 By 21 Comments
…statement, prepared statement and have it served from query cache. Prepared statements give 2290 queries/sec which is significantly better than 2000 with standard statements…
Post: MySQL Query Cache and prepared statements - support comming ?
March 15, 2007 By Leave a Comment
… 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… a long to fix it why not to go ahead and make it done instead of spending longer time explaining over… want to have fast prepared statements without query cache or no prepared statements with it. Would this make me use/advice Query Cache more ? Not really…
Post: 10+ Ways to Crash or Overload MySQL
November 13, 2007 By 20 Comments
…prepared statements and keep max_prepared_stmt_count very low. Prepared Statements and Blob Data If you’re want to get memory consumed by single prepared statement…them using mysql_stmt_send_long_data call – Server buffers such data until you have executed prepared statement. Innodb Table Cache Leak …
Post: Troubleshooting MySQL Memory Usage
March 21, 2012 By 5 Comments
…MySQL 5.5 with addition of user variables, stored procedures, prepared statements…prepared statements you might want to look at Prepared_stmt_count to see how many prepared statements are allocated on server and…
Post: MySQL Query Cache
July 27, 2006 By 70 Comments
…prepared statements and cursors Query Cache works with query text and want full result set at once. In prepared statements there is query with placeholders and…
Post: Implications of Metadata Locking Changes in MySQL 5.5
February 1, 2013 By 9 Comments
…MySQL 5.5.3 a statement that opened a table only held meta data locks till the end of the statement and… | | statistics | 0.000005 | | preparing | 0.000006 | | executing …and Query Cache How does metadata locking behave with query_cache? That is an important question. If Query Cache is enabled and…
Post: Top 5 Wishes for MySQL
June 29, 2007 By 10 Comments
… 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… very long time. For example Query Cache support for Prepared Statements is only fixed in MySQL 5.1 and Most of other items are still…
Post: MySQL Server Memory Usage
May 17, 2006 By 21 Comments
… number of memory Operation System and other applications need, add might be 32MB more for MySQL Server code and various small static buffers… prepared statements and cursors. Their number finally can be limited but each of them still can have very large memory consumption Innodb Table Cache…
