| To: | David Fuller <dfuller@xxxxxxxxx> |
|---|---|
| Subject: | Re: Fragmentation Issue We Are Having |
| From: | Brian Candler <B.Candler@xxxxxxxxx> |
| Date: | Fri, 13 Apr 2012 08:19:05 +0100 |
| Cc: | xfs@xxxxxxxxxxx |
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On Thu, Apr 12, 2012 at 05:09:40PM -0700, David Fuller wrote: > The total LVM volume group is 4.5 TB. The logical volume is around > 2.3TB where the mysql data Hence you have a 2.3TB XFS filesystem? You need inode64. The side warning "performance sucks" is very true. In particular, if you create a bunch of files in the same directory, without inode64 XFS will scatter the extents all over the disk rather than trying to allocate them next to each other (possibly not a problem if you're only storing mysql data chunks though) |
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