https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-13412 Lustre <p> Readahead always try to align readahead with RPC size, but this<br/> could introduce a problem if readahead window is smaller than RPC size.</p> <p> With current codes, it will fallback a lot of 4k read because most of readahead stop, fix this to align with readahead window rather than RPC size in this case.</p> LU-13412

fix read if readahead window smaller than rpc size

Improvement Minor Resolved Fixed Wang Shilong Wang Shilong Fri, 3 Apr 2020 13:22:40 +0000 Tue, 18 Aug 2020 21:21:43 +0000 Wed, 27 May 2020 14:57:35 +0000 Lustre 2.14.0 0 2 <p>Wang Shilong (wshilong@ddn.com) uploaded a new patch: <a href="https://review.whamcloud.com/38132" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38132</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13412" title="fix read if readahead window smaller than rpc size" class="issue-link" data-issue-key="LU-13412"><del>LU-13412</del></a> llite: fix read if readahead window smaller than rpc size<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 4e699a5dfa724bbb865e343f408cdbb2411e8a07</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/38132/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38132/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13412" title="fix read if readahead window smaller than rpc size" class="issue-link" data-issue-key="LU-13412"><del>LU-13412</del></a> llite: fix read if readahead window smaller than rpc size<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 33d08805f27bb9a4c374754505f2ef5431b9fd31</p> <p>Landed for 2.14</p> Related Development Rank 1|i00wx3: Rank (Obsolete) 9223372036854775807