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https://issues.apache.org/jira/browse/HBASE-1511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12889326#action_12889326
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HBase Review Board commented on HBASE-1511:
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Message from: "Jonathan Gray" <[email protected]>
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trunk/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
<http://review.hbase.org/r/328/#comment1780>
i think it's good to retain this option. once the new load balancer goes
into place, you'll want it to not run the bulk placement to a small subset of
the total servers during boot.
could always add a maxWait timeout as well.
- Jonathan
> Pseudo distributed mode in LocalHBaseCluster
> --------------------------------------------
>
> Key: HBASE-1511
> URL: https://issues.apache.org/jira/browse/HBASE-1511
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.19.3
> Reporter: Evgeny Ryabitskiy
> Assignee: Nicolas Spiegelberg
> Priority: Minor
> Fix For: 0.92.0
>
>
> After changes to config and adding of parameter:
> {code}
> <property>
> <name>hbase.cluster.distributed</name>
> <value>false</value>
> <description>The mode the cluster will be in. Possible values are
> false: standalone and pseudo-distributed setups with managed Zookeeper
> true: fully-distributed with unmanaged Zookeeper Quorum (see
> hbase-env.sh)
> </description>
> </property>
> {code}
> running HBase in pseudo destr mode become not so easy, I think description
> for false variant is wrong and you can't get pseudo-distributed mode setting
> this option to false now.
> I wish to have some option in LocalHBaseCluster for pseudo destr mode where I
> wish to have:
> * separate processes for Master and HRSs
> * ability to dynamically change HRS number in cluster
> * managed ZK cluster (like it is in local mode now)
> * managed small local HDFS cluster
> I think it is very useful for testing, debugging and for user experience with
> HBase, who want to try something close to real HBase not some emulation in
> standalone mode.
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