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From Wellington Chevreuil <wellington.chevre...@gmail.com>
Subject Re: HBase and HDFS HA failover with QJM
Date Sun, 08 Jun 2014 21:18:49 GMT
Hi Jerry,

There's no need for additional HBase configuration when using HDFS HA, as
it works as an HDFS client and RS will reach NN through nameservice
configured on hdfs-site, and once both active and standby NNs have an up to
date image of HDFS state, during a failover the transition between NNs is
transparent for clients (including HBASE).

2014-06-08 2:46 GMT+01:00 Jerry He <jerryjch@gmail.com>:

> Hi, guys
> Does anybody have experience on HBase and HDFS HA failover with QJM?
> Any recommended settings for HBase to make region servers ride over the NN
> failover smoothly under load?
> Particularly, is there a need to set these in hbase-site.xml?
> dfs.client.retry.policy.enabled
> dfs.client.retry.policy.spec
> Thanks in advance for the help!
> Jerry

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