[jira] [Commented] (HDFS-9668) Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage test

2016-03-14 Thread Colin Patrick McCabe (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15193595#comment-15193595 ] Colin Patrick McCabe commented on HDFS-9668: Thanks for revising this,

[jira] [Commented] (HDFS-9668) Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage test

2016-03-14 Thread Jingcheng Du (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15192871#comment-15192871 ] Jingcheng Du commented on HDFS-9668: In the patch V2, I choose an array-based lock pool mechanism

[jira] [Commented] (HDFS-9668) Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage test

2016-01-26 Thread Vinayakumar B (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15118758#comment-15118758 ] Vinayakumar B commented on HDFS-9668: - bq. I am +1 on the concept of fixing the locking Yes, this

[jira] [Commented] (HDFS-9668) Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage test

2016-01-22 Thread Colin Patrick McCabe (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15112852#comment-15112852 ] Colin Patrick McCabe commented on HDFS-9668: I am -1 on creating a new FsDatasetSpi subclass

[jira] [Commented] (HDFS-9668) Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage test

2016-01-21 Thread Jingcheng Du (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15110252#comment-15110252 ] Jingcheng Du commented on HDFS-9668: Thanks for comment. [~cmccabe]. I am not sure if there is

[jira] [Commented] (HDFS-9668) Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage test

2016-01-21 Thread Jingcheng Du (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15110259#comment-15110259 ] Jingcheng Du commented on HDFS-9668: Thanks [~vinayrpet]. I ran the same HBase test in few cases for

[jira] [Commented] (HDFS-9668) Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage test

2016-01-20 Thread Vinayakumar B (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15110202#comment-15110202 ] Vinayakumar B commented on HDFS-9668: - Yes, Idea seems really nice. Do you have same kind of test

[jira] [Commented] (HDFS-9668) Many long-time BLOCKED threads on FsDatasetImpl in a tiered storage test

2016-01-20 Thread Colin Patrick McCabe (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-9668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15109821#comment-15109821 ] Colin Patrick McCabe commented on HDFS-9668: The idea seems good. However, I don't understand