Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Suresh Kuna
-+---++-+-+--+---++-+-+-+---+--+-+-----+ > > > I am still benchmarking, bu

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Reindl Harald
Am 14.09.2011 14:50, schrieb Maria Arrea: > I have finally enabled compression: > I am still benchmarking, but I see a 15-20% performance gain after enabling > compression using bacula gui as expected if disk-io is the only bottenleck the same with NTFS-Compression inside a VMware Machine on mod

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Maria Arrea
| | +++-++---++-+-+--+---++-+-+-+---+--+-+-+ I am still benchmarking, but I see a 15-20% performance gain after enabling compression using bacula gui (bat). Regards Maria - Original Message - From: Maria Arrea Sent: 09/14/11 09:50 AM To: mysql@lists.mysql.com Subject: Re: Question about slow storage and InnoDB

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Reindl Harald
Am 14.09.2011 09:50, schrieb Maria Arrea: > I have read all your mails, and still not sure if I should enable innodb > compression if you have enough free cpu-ressources and IO is your problem simply yes because the transfer from/to disk will be not so high as uncompressed signature.asc

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Maria Arrea
The server hosting bacula and the database only has one kind of disk: SATA, maybe I should buy a couple of SSD for mysql. I have read all your mails, and still not sure if I should enable innodb compression. My ibfile is 50 GB, though. Regards Maria Questions: 1) Why are you putting you

Re: Question about slow storage and InnoDB compression

2011-09-13 Thread Suresh Kuna
Thanks for correcting me in the disk stats Singer, A typo error of SSD instead of SAS 15k rpm. Compression may not increase the memory requirements : To minimize I/O and to reduce the need to uncompress a page, at times the buffer pool contains both the compressed and uncompressed form of a databa

Re: Question about slow storage and InnoDB compression

2011-09-13 Thread Suresh Kuna
I would recommend to go for a 15K rpm SSD raid-10 to keep the mysql data and add the Barracuda file format with innodb file per table settings, 3 to 4 GB of innodb buffer pool depending the ratio of myisam v/s innodb in your db. Check the current stats and reduce the tmp and heap table size to a lo