[ https://issues.apache.org/jira/browse/HDDS-3824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoyu Yao resolved HDDS-3824. ------------------------------ Fix Version/s: 0.7.0 Resolution: Fixed Thanks [~rakeshr] for the contribution and all for the reviews. PR has been merged to master. > OM read requests should make SCM#refreshPipeline outside the BUCKET_LOCK > ------------------------------------------------------------------------- > > Key: HDDS-3824 > URL: https://issues.apache.org/jira/browse/HDDS-3824 > Project: Hadoop Distributed Data Store > Issue Type: Bug > Components: Ozone Manager > Reporter: Rakesh Radhakrishnan > Assignee: Rakesh Radhakrishnan > Priority: Major > Labels: om-perf, perfomance, pull-request-available > Fix For: 0.7.0 > > > Refresh pipeline info does a call to SCM and it can be moved outside the > {{BUCKET_LOCK}}, this would help to improve the performance of read/write mix > workloads. > *KeyManagerImpl.java* > {code:java} > metadataManager.getLock().acquireReadLock(BUCKET_LOCK, volumeName, > bucketName); > try { > ..... > ..... > // No need to check if a key is deleted or not here, this is handled > // when adding entries to cacheKeyMap from DB. > if (args.getRefreshPipeline()) { > refreshPipeline(entry.getValue().getKeyInfo()); > } > ..... > ..... > } finally { > metadataManager.getLock().releaseReadLock(BUCKET_LOCK, volumeName, > bucketName); > } > {code} > > Code Reference: > [KeyManagerImpl.java#L2071|https://github.com/apache/hadoop-ozone/blob/master/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java#L2071] -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: ozone-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: ozone-issues-h...@hadoop.apache.org