Re: 答复：md raid5 performace 6x SSD RAID5
From: Roman Mamedov <hidden>
Date: 2013-11-28 04:46:25
On Wed, 27 Nov 2013 22:41:49 -0600 Stan Hoeppner [off-list ref] wrote:
quoted
when the stripe_cache_size is set 4096.
...
2. A 4KB stripe cache is too small for 6 SSDs, try 8KB
The stripe cache size setting is specified not in KB, but in pages per disk, so a value of 4096 on x86 systems means 4096*4096*6 = 96 MB of cache for the whole array. -- With respect, Roman
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