Feature #3815: osd: move pg_info_t back into the xattr; avoid writing pginfo file when possible - Ceph - Ceph

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Feature #3815

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osd: move pg_info_t back into the xattr; avoid writing pginfo file when possible

Added by Sage Weil over 11 years ago. Updated over 11 years ago.

Status:

Duplicate

Priority:

High

Assignee:

Category:

OSD

Target version:

% Done:

Source:

Tags:

Backport:

Reviewed:

Affected Versions:

Pull request ID:

Description

see wip-pginfo for a hacky prototype.

did some testing, and it looks good:

(09:36:13 PM) mark.nelson: xfs, 16 concurrent 128k writes: bobtail: 80.275MB/s, wip-pginfo: 105.296MB/s
(09:39:20 PM) mark.nelson: xfs, 16 concurrent 128k reads: bobtail: 107.745MB/s, wip-pginfo: 120.682MB/s
(09:49:28 PM) mark.nelson: xfs, 256 concurrent 128: writes: bobtail: 96.869, wip-pginfo: 134.093
(09:53:25 PM) mark.nelson: xfs, 256 concurrent 128 reads: bobtail: 102.602MB/s, wip-pginfo: 109.023MB/s
(10:01:05 PM) mark.nelson: xfs. 16 concurrent 4m writes: bobtail: 246.281MB/s, wip-pginfo: 260.669MB/s
(10:03:57 PM) mark.nelson: xfs, 16 concurrent 4m reads: bobtail: 482.145MB/s, wip-pginfo: 490.782MB/s
(10:11:58 PM) mark.nelson: xfs, 256 concurrent 4m writes: bobtail: 274.613MB/s, wip-pginfo: 280.556MB/s
(10:14:16 PM) mark.nelson: xfs, 256 concurrent 4m reads: bobtail: 587.601MB/s, wip-pginfo: 602.857MB/s

Related issues 1 (0 open — 1 closed)