[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14080588#comment-14080588 ] Colin Patrick McCabe commented on HDFS-6784: Actually, I just looked at this

[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14080600#comment-14080600 ] Yi Liu commented on HDFS-6784: -- Hi Colin {quote} This patch adds a place where we hold the CRM

[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14081250#comment-14081250 ] Colin Patrick McCabe commented on HDFS-6784: Ah. You're right, both cases are

[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14081264#comment-14081264 ] Colin Patrick McCabe commented on HDFS-6784: bq. If modifyDirective is caling

[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14081506#comment-14081506 ] Colin Patrick McCabe commented on HDFS-6784: I thought about this a little

[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14081811#comment-14081811 ] Yi Liu commented on HDFS-6784: -- Thanks [~cmccabe], let's wait to see whether we need to handle

[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14079457#comment-14079457 ] Hadoop QA commented on HDFS-6784: - {color:red}-1 overall{color}. Here are the results of

[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14080376#comment-14080376 ] Colin Patrick McCabe commented on HDFS-6784: This isn't quite right. If a

[jira] [Commented] (HDFS-6784) Avoid rescan twice in HDFS CacheReplicationMonitor for one FS Op if it calls setNeedsRescan multiple times.

[ https://issues.apache.org/jira/browse/HDFS-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14080389#comment-14080389 ] Yi Liu commented on HDFS-6784: -- Thanks [~cmccabe] {quote} If a needsRescan arrives while a