… in memory nature of MEMORY storage engine, clustering by Primary key in Innodb and…transactions which require a lot of complications and performance overhead. MySQL has to do several fsync() calls per transaction… we have to write second binary log file when all transaction engines have their own…
Post: How multiple disks can benefit for single client workload ?
April 26, 2008 By 4 Comments
…, while to understand if MySQL goes through more rows …for example). When update is performed first problem is actually reading… will need to fetch clustered index page at least to… do is to flush transactional log. In case innodb_… it does 250 rotations per second (4ms per rotation) which gives us …
Post: Percona Server 5.5.15 + Galera 21.1-beta2
October 3, 2011 By 18 Comments
…MySQL Replication is practically impossible. 2. In contrast to MySQL replication, in Percona Server+Galera schema all nodes are CONSISTENT. Transaction…per-schema” as in MySQL 5.6. 4. New node automatically joins to Cluster…
