… Amazon cloud. In general, MySQL performance overall on EC2 and EBS isn’t always great in comparison to what you can get… is read-heavy or write-heavy, you generally need the actively accessed set of data (what we call the working set… buffer pool size, or the sheer volume of I/O activity you’re generating, whichever comes first. And you could find…
Post: MySQL Replication vs DRBD Battles
April 28, 2008 By 12 Comments
…view but this is not the point of comparison. “Failback could destroy the original master tooâ€,… either long recovery time or further degraded performance. In the large databases I run in …use to SAN based high availability solutions with active-passive management software. Quite often these guys …
Comment: MySQL wins C'T Database Contest
November 18, 2006 By 27 Comments
…which is interesting because it relates to our activities in the C’t benchmark. Claiming victory …-the-box processing of MySQL has questionable performance. A educated DBA is necessary to improve it… on multiple platforms and solicit a continuous comparison. Not to mention the multi-user version …
Post: Virident tachIOn: New player on Flash PCI-E cards market
June 15, 2010 By 19 Comments
… engineering team was concentrating on getting stable write performance in long running write activities and in cases when space utilization is close… collector activity and will be fixed in the production release of driver. I think it would be fair to get comparison with… and write pressure Quite stable sequential writes performance (important in question for log related activity in MySQL) I am looking forward to…
Post: Shard-Query EC2 images available
May 11, 2011 By 2 Comments
… favorite storage engine or database About the cluster For best performance, there should be an even data distribution in the system… interesting information about how Shard-Query will perform on each database. To do the size comparison, I used the du utility: InnoDB…-trx-commit=1 innodb-flush-method=O_DIRECT innodb-ibuf-active-contract=1 innodb-import-table-from-xtrabackup=1 innodb-io…
Comment: Disaster: LVM Performance in Snapshot Mode
February 6, 2009 By 55 Comments
… the performance drops even more, if multiple snapshots are active at the same time? I wonder why the Linux LVM snapshot implementation performs so badly in comparison to ZFS…
Comment: Call for opinions: Do we need MySQL 5.0 with MySQL 5.4 performance
May 1, 2009 By 12 Comments
… lot of these performance optimization changes are rather local and so safe. It is like ant and elephant in comparison if you… because it is based on Innodb plugin which is in active development itself.
