[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:

[jira] [Created] (HDFS-8927) CredentialsSys is not unix/linux compatible

2015-08-20 Thread Haim Helman (JIRA)
Haim Helman created HDFS-8927: - Summary: CredentialsSys is not unix/linux compatible Key: HDFS-8927 URL: https://issues.apache.org/jira/browse/HDFS-8927 Project: Hadoop HDFS Issue Type: Bug

[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

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. property namedfs.namenode.shared.edits.dir/name value qjournal://journalnode1:port;journalnode2:port;journalnode3:port/journalId /value

[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:

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 r...@apache.org 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*

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

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

[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

[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

[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