Whamcloud Community JIRA

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9.4.14

940014

05-12-2023

[LU-16286] nodelalloc optimization is missing for RHEL8 kernels causing performance drop https://jira.whamcloud.com/browse/LU-16286 Lustre <p>nodelalloc optimization is missing for RHEL8 kernels causing performance drop</p> <p> </p> <p>a patch and performance stats will be added</p> LU-16286

nodelalloc optimization is missing for RHEL8 kernels causing performance drop

Improvement Major Resolved Fixed Andrew Perepechko Andrew Perepechko Tue, 1 Nov 2022 16:24:05 +0000 Thu, 11 May 2023 00:43:35 +0000 Fri, 13 Jan 2023 15:05:46 +0000 Lustre 2.16.0 Lustre 2.15.3 1 5 <p>"Andrew Perepechko <andrew.perepechko@hpe.com>" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/49007" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/49007</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16286" title="nodelalloc optimization is missing for RHEL8 kernels causing performance drop" class="issue-link" data-issue-key="LU-16286"><del>LU-16286</del></a> ldiskfs: reimplement nodelalloc optimization<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: bb8d32f11f5f3128fbb1f28bb19d9a514c91527e</p> <p>"Oleg Drokin <green@whamcloud.com>" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/49007/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/49007/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16286" title="nodelalloc optimization is missing for RHEL8 kernels causing performance drop" class="issue-link" data-issue-key="LU-16286"><del>LU-16286</del></a> ldiskfs: reimplement nodelalloc optimization<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 3dd73b5c5d61a219c702873711055cb1cc80394a</p> <p>Landed for 2.16</p> <p>Hi</p> <p>Can this one be added to b2_15 as well?</p> <p>We are using <br/> <a href="https://jira.whamcloud.com/browse/LU-15894" title="Range locking in ofd is no longer needed" class="issue-link" data-issue-key="LU-15894"><del>LU-15894</del></a> ofd: revert range locking in ofd<br/> <a href="https://jira.whamcloud.com/browse/LU-16286" title="nodelalloc optimization is missing for RHEL8 kernels causing performance drop" class="issue-link" data-issue-key="LU-16286"><del>LU-16286</del></a> ldiskfs: reimplement nodelalloc optimization <br/> on our NVME servers what increased fio 4k-rand-write test from 4k iops to 68-100k</p> <p>before<br/> randwrite-4k: (groupid=0, jobs=32): err= 0: pid=887088: Wed Dec 14 15:06:43 2022<br/> write: IOPS=4823, BW=18.8MiB/s (19.8MB/s)(4678MiB/248288msec); 0 zone resets<br/> bw ( KiB/s): min= 3056, max=392881, per=100.00%, avg=61835.30, stdev=1467.54, samples=4847</p> <p>after patching<br/> randwrite-4k: (groupid=0, jobs=32): err= 0: pid=530015: Mon Jan 16 14:26:16 2023<br/> write: IOPS=68.6k, BW=268MiB/s (281MB/s)(62.9GiB/240336msec); 0 zone resets</p> <p>"Li Dongyang <dongyangli@ddn.com>" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50810" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50810</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16286" title="nodelalloc optimization is missing for RHEL8 kernels causing performance drop" class="issue-link" data-issue-key="LU-16286"><del>LU-16286</del></a> ldiskfs: add missing patch for rhel8.7<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 4e9a4690cff25fae8a168b730542115f860b97cd</p> <p>"Jian Yu <yujian@whamcloud.com>" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50820" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50820</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16286" title="nodelalloc optimization is missing for RHEL8 kernels causing performance drop" class="issue-link" data-issue-key="LU-16286"><del>LU-16286</del></a> ldiskfs: add ext4_find_delayed_extent patch to more series<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 0a1758e3edf63537c14d2ce4315a4f278d364376</p> <p>"Jian Yu <yujian@whamcloud.com>" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50821" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50821</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16286" title="nodelalloc optimization is missing for RHEL8 kernels causing performance drop" class="issue-link" data-issue-key="LU-16286"><del>LU-16286</del></a> ldiskfs: reimplement nodelalloc optimization<br/> Project: fs/lustre-release<br/> Branch: b2_15<br/> Current Patch Set: 1<br/> Commit: 890696432c9ee515601ddb319b4a4f45d8680813</p> <p>"Oleg Drokin <green@whamcloud.com>" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50820/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50820/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16286" title="nodelalloc optimization is missing for RHEL8 kernels causing performance drop" class="issue-link" data-issue-key="LU-16286"><del>LU-16286</del></a> ldiskfs: add ext4_find_delayed_extent patch to more series<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: d61805600b24b42583c8948bca231c7f56ccaee1</p> <p>"Oleg Drokin <green@whamcloud.com>" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50821/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50821/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16286" title="nodelalloc optimization is missing for RHEL8 kernels causing performance drop" class="issue-link" data-issue-key="LU-16286"><del>LU-16286</del></a> ldiskfs: reimplement nodelalloc optimization<br/> Project: fs/lustre-release<br/> Branch: b2_15<br/> Current Patch Set: <br/> Commit: b74560d74a9f890838dbf2f0719e3d27c1e5eaf8</p> Related LU-12345 Development Rank 1|i034f3: Rank (Obsolete) 9223372036854775807