Messages in this thread | | | Date | Tue, 14 Aug 2007 04:25:29 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH 00/23] per device dirty throttling -v8 |
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On Tue, Aug 14, 2007 at 11:44:56AM +1000, Stewart Smith wrote: > > Since the database fits in RAM, the only kind of access Mysql is doing > > is writing to the innodb log, the mysql binlog and finally to the innodb > > database files. > > There are certainly a whole lot of fsync'ing happening. > > yes. Keep in mind that the binlog grows in file size too... so this has > to sync all the metadata as well (ick, i know).
It might be an interesting experiment to see if it still happens with the file system remounted as ext2. ext2 has a much more benign fsync than ext3.
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