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Posted by: Tobias K. ()
Date: February 10, 2014 08:59AM


since our InnoDB database size (75GB) exceeds the RAM size (32GB), we plan to use SSD drives to speed up our MySQL Server.
Hardware specs:
- 2x 1 TB RAID 1
- RAID Controller: LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] (rev 05)

MySQL settings:
innodb_flush_method = O_DIRECT
innodb_buffer_pool_size = 26624M
innodb_log_file_size = 256M
innodb_log_buffer_size = 8M

We want to use the free RAID ports to install two 240 GB 6 Gb/s SSD (RAID 1).

After reading some articles about MySQL SSD/HDD performance, I would use the SDD for all innoDB data except for Redo log and ibdata, which I would put on HDD.
Is this a good setup? Is it better to leave the OS (Ubuntu Linux) on HDD, or will performance be better if the OS is installed on SSD?


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Subject Views Written By Posted
MySQL with SSD/HDD 3666 Tobias K. 02/10/2014 08:59AM
Re: MySQL with SSD/HDD 1890 Rick James 02/11/2014 08:26PM
Re: MySQL with SSD/HDD 1122 Tobias K. 02/13/2014 06:00AM
Re: MySQL with SSD/HDD 1122 Rick James 02/14/2014 03:40PM
Re: MySQL with SSD/HDD 1256 Tobias K. 02/18/2014 05:03AM

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