[jira] [Created] (HDFS-8934) Move ShortCircuitShm to hdfs-client

2015-08-20 Thread Mingliang Liu (JIRA)
Mingliang Liu created HDFS-8934: --- Summary: Move ShortCircuitShm to hdfs-client Key: HDFS-8934 URL: https://issues.apache.org/jira/browse/HDFS-8934 Project: Hadoop HDFS Issue Type: Sub-task

[jira] [Created] (HDFS-8933) Inotify : Support Event-based filtering

2015-08-20 Thread Surendra Singh Lilhore (JIRA)
Surendra Singh Lilhore created HDFS-8933: Summary: Inotify : Support Event-based filtering Key: HDFS-8933 URL: https://issues.apache.org/jira/browse/HDFS-8933 Project: Hadoop HDFS Iss

[jira] [Created] (HDFS-8932) NPE thrown in NameNode when try to get "TotalSyncCount" metric before editLogStream initialization

2015-08-20 Thread Surendra Singh Lilhore (JIRA)
Surendra Singh Lilhore created HDFS-8932: Summary: NPE thrown in NameNode when try to get "TotalSyncCount" metric before editLogStream initialization Key: HDFS-8932 URL: https://issues.apache.org/jira/brow

Re: How to bring standby namenode to active mode in case of active host node down?

2015-08-20 Thread Raju Bairishetti
Thanks @vinayakumarb for the reply, Seems we are using QJM (3 journal nodes) from 2.6 apache hadoop branch. dfs.namenode.shared.edits.dir qjournal://:;:;:/ On Thu, Aug 20, 2015 at 8:05 PM, Vinayakumar B wrote: > Actually SSH fencing was

[jira] [Created] (HDFS-8931) Notify exception to client side from ParityGenerator.

2015-08-20 Thread Kai Sasaki (JIRA)
Kai Sasaki created HDFS-8931: Summary: Notify exception to client side from ParityGenerator. Key: HDFS-8931 URL: https://issues.apache.org/jira/browse/HDFS-8931 Project: Hadoop HDFS Issue Type: S

[jira] [Created] (HDFS-8930) Block report lease may leak if the 2nd full block report comes when NN is still in safemode

2015-08-20 Thread Jing Zhao (JIRA)
Jing Zhao created HDFS-8930: --- Summary: Block report lease may leak if the 2nd full block report comes when NN is still in safemode Key: HDFS-8930 URL: https://issues.apache.org/jira/browse/HDFS-8930 Project

[jira] [Resolved] (HDFS-8774) Implement FileSystem and InputStream API for libhdfspp

2015-08-20 Thread Haohui Mai (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-8774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Haohui Mai resolved HDFS-8774. -- Resolution: Fixed Hadoop Flags: Reviewed Committed to the HDFS-8707 branch. Thanks James and Bob fo

[jira] [Resolved] (HDFS-8775) SASL support for data transfer protocol in libhdfspp

2015-08-20 Thread Haohui Mai (JIRA)
[ https://issues.apache.org/jira/browse/HDFS-8775?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Haohui Mai resolved HDFS-8775. -- Resolution: Fixed Hadoop Flags: Reviewed Fix Version/s: HDFS-8707 Committed to the HDFS-8707

Re: How to bring standby namenode to active mode in case of active host node down?

2015-08-20 Thread Vinayakumar B
Actually SSH fencing was introduced before QuorumJournal was there to ensure only one active writer at all times. If you are using QuorumJournal for shared edits.. you dont need to configure SSH fencing. QuorumJournal will ensure its allowing only one writer at a time. -Vinay

Re: How to bring standby namenode to active mode in case of active host node down?

2015-08-20 Thread Raju Bairishetti
Thanks in advance :). We are using apache hadoop 2.6 branch. On Thu, Aug 20, 2015 at 7:33 PM, Raju Bairishetti wrote: > Hello devs, > > We are hitting an issue, in which none of the namenodes are in active > state. > > Our Setup: > --- >We are using *automatic failover* for Had

How to bring standby namenode to active mode in case of active host node down?

2015-08-20 Thread Raju Bairishetti
Hello devs, We are hitting an issue, in which none of the namenodes are in active state. Our Setup: --- We are using *automatic failover* for Hadoop Namenode HA(two node) and *SshFencing* as fencing mechanism *1) What happens if namenode host goes down?* * This is caus

[jira] [Created] (HDFS-8929) Add a metric to expose the timestamp of the last journal

2015-08-20 Thread Akira AJISAKA (JIRA)
Akira AJISAKA created HDFS-8929: --- Summary: Add a metric to expose the timestamp of the last journal Key: HDFS-8929 URL: https://issues.apache.org/jira/browse/HDFS-8929 Project: Hadoop HDFS Issu

[jira] [Created] (HDFS-8928) Improvements for BlockUnderConstructionFeature: ReplicaUnderConstruction as a separate class and replicas as an array

2015-08-20 Thread Zhe Zhang (JIRA)
Zhe Zhang created HDFS-8928: --- Summary: Improvements for BlockUnderConstructionFeature: ReplicaUnderConstruction as a separate class and replicas as an array Key: HDFS-8928 URL: https://issues.apache.org/jira/browse/HDFS