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Davide Giannella closed OAK-6912. --------------------------------- Bulk close 1.7.12 > Cold standby performance regression due to segment caching > ---------------------------------------------------------- > > Key: OAK-6912 > URL: https://issues.apache.org/jira/browse/OAK-6912 > Project: Jackrabbit Oak > Issue Type: Bug > Components: segment-tar, tarmk-standby > Affects Versions: 1.7.0 > Reporter: Andrei Dulceanu > Assignee: Andrei Dulceanu > Labels: cold-standby, performance, scalability > Fix For: 1.7.12, 1.8 > > > The changes to the segment cache introduced in r1793527 [0] introduced a > performance regression on the primary for the case in which a standby is > attached to it. Below a benchmark duration comparison between primary w/o and > w/ standby for r1793527 (after the segment cache changes) and r1793526 > (before the changes) : > |Oak 1.6 r1793527 (20170502)|{noformat} > # BasicWriteTest C min 10% 50% 90% max > N > Oak-Segment-Tar 1 19 21 22 26 160 > 2491 > Oak-Segment-Tar-DS 1 56 59 63 70 181 > 919 > Oak-Segment-Tar-Cold(Shared DS) 1 58 66 159 177 372 > 302 > {noformat}| > |Oak 1.6 r1793526 (20170502)|{noformat} > # BasicWriteTest C min 10% 50% 90% max > N > Oak-Segment-Tar 1 19 21 22 25 52 > 2584 > Oak-Segment-Tar-DS 1 56 60 63 69 158 > 925 > Oak-Segment-Tar-Cold(Shared DS) 1 57 60 64 70 122 > 915 > {noformat}| > [0] > https://github.com/apache/jackrabbit-oak/commit/efafa4e1710621b7f3b8e92d0b2681669185fcd4 -- This message was sent by Atlassian JIRA (v6.4.14#64029)