…, improving buffer pool usage (currently you may need to both store Compressed and Uncompressed versions of the page in the buffer pool in many… to specify compressed block size, this is the size to which you expect each page to compress. If you choose this number too… did number of interesting benchmarks stress testing other areas in Innodb than buffer-pool which had it locking relaxed in latest MySQL 5…
Post: Faster MySQL failover with SELECT mirroring
February 1, 2009 By 9 Comments
….) As a result, some people choose to make the passive server truly…_schema.innodb_buffer_pool_content group by 1, 2, 3 into outfile ‘/tmp/buffer-pool-contents.txt…pool. Same table, same size of data doesn’t mean same buffer pool contents. An insert-only workload will probably fill the buffer pool…
Post: XtraDB: The Top 10 enhancements
August 13, 2009 By 5 Comments
… problem in particular that this causes, is that InnoDB the algorithm which chooses if InnoDB is too busy to flush dirty pages can… include the ability to see the contents of the buffer pool (see docs), and InnoDB row statistics are inserted into the slow query…-in InnoDB, is that there are no options to tweak it. Â It can grow to 1/2 the size of your buffer pool…
Post: Implementing efficient counters with MySQL
July 1, 2007 By 16 Comments
…speed. It also really hurts if you choose replication (rather than partitioning) as your scaling path…Innodb tables which makes it 200MB in total which easily fits in buffer pool. Fitting of the working set in buffer…example each hour. If your memcache is sized so objects which touched within last …
Post: Updated msl (microslow) patch, installation walk-through!
April 20, 2008 By 17 Comments
…buffer-size=4 -m64 -mtune=generic’ ‘CXXFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector –param=ssp-buffer-size… uses some kind of connection pooling. Rate limiting is disabled for the… and InnoDB engine per-query statistics. With this option you may choose which …
