namenode to active when the
active namenode host down (with hadoop 2.6) ?
On Fri, Aug 21, 2015 at 8:16 AM, Raju Bairishetti
wrote:
> Thanks @vinayakumarb for the reply,
>
> Seems we are using QJM (3 journal nodes) from 2.6 apache hado
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
>
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
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
Raju Bairishetti created HDFS-8578:
--
Summary: On upgrade, Datanode should process all storage/data dirs
in parallel
Key: HDFS-8578
URL: https://issues.apache.org/jira/browse/HDFS-8578
Project
