[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16384290#comment-16384290 ] Tsz Wo Nicholas Sze commented on HDFS-9412: --- Thanks for getBlocks problem! Just

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15245049#comment-15245049 ] Hudson commented on HDFS-9412: -- FAILURE: Integrated in Hadoop-trunk-Commit #9625 (See [https:

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15244578#comment-15244578 ] He Tianyi commented on HDFS-9412: - Hi, [~walter.k.su]. Would you commit this patch when ava

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15240996#comment-15240996 ] Walter Su commented on HDFS-9412: - {{TestBalancer}} passes locally. +1 for the last patch.

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15240714#comment-15240714 ] Hadoop QA commented on HDFS-9412: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote ||

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15240455#comment-15240455 ] Walter Su commented on HDFS-9412: - Thank you for updating. The test {{TestGetBlocks}} faile

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15239642#comment-15239642 ] Hadoop QA commented on HDFS-9412: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote ||

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15239103#comment-15239103 ] Walter Su commented on HDFS-9412: - One thread holding a readLock too long is very like hold

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15239094#comment-15239094 ] Hadoop QA commented on HDFS-9412: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote ||

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15124822#comment-15124822 ] He Tianyi commented on HDFS-9412: - Added ~200 nodes to HDFS cluster recently. As balancing

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15066038#comment-15066038 ] Hadoop QA commented on HDFS-9412: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote ||

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15046417#comment-15046417 ] He Tianyi commented on HDFS-9412: - [~andrew.wang] Perhaps switching to unfair RWLock may ca

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15009542#comment-15009542 ] Andrew Wang commented on HDFS-9412: --- Also many of our listing operations return RemoteIte

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15009537#comment-15009537 ] Andrew Wang commented on HDFS-9412: --- If the issue is a writer blocking the RWLock, you ca

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15000269#comment-15000269 ] He Tianyi commented on HDFS-9412: - A simpler approach would be ignore small blocks during i

[jira] [Commented] (HDFS-9412) getBlocks occupies FSLock and takes too long to complete

[ https://issues.apache.org/jira/browse/HDFS-9412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15000242#comment-15000242 ] He Tianyi commented on HDFS-9412: - Sorry the misuse of word "starvation". It's not starvati