[LU-13132] osd-zfs to cache dbufs Created: 14/Jan/20 Updated: 18/Apr/23 Resolved: 18/Apr/23 |
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| Status: | Resolved |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | Lustre 2.16.0 |
| Type: | Improvement | Priority: | Minor |
| Reporter: | Alex Zhuravlev | Assignee: | Alex Zhuravlev |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | None | ||
| Rank (Obsolete): | 9223372036854775807 |
| Description |
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dbuf lookup is relatively expensive in ZFS. in some cases working set of dbufs is tiny and very predictable. for example, for llog - we append (i.e. write to the last block) and update the header (the first block). |
| Comments |
| Comment by Gerrit Updater [ 14/Jan/20 ] |
|
Alex Zhuravlev (bzzz@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/37222 |
| Comment by Gerrit Updater [ 18/Apr/23 ] |
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"Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/37222/ |
| Comment by Peter Jones [ 18/Apr/23 ] |
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Landed for 2.16 |