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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11466) HConnectionImplementation should not use ZK
Date Thu, 17 Aug 2017 21:48:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131348#comment-16131348

Mikhail Antonov commented on HBASE-11466:

At the moment there's no work going on here...So I guess we kick it out of 2.0 timeline?

> HConnectionImplementation should not use ZK
> -------------------------------------------
>                 Key: HBASE-11466
>                 URL: https://issues.apache.org/jira/browse/HBASE-11466
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, Consensus
>    Affects Versions: 2.0.0
>            Reporter: Mikhail Antonov
>            Assignee: Mikhail Antonov
>            Priority: Critical
>             Fix For: 2.0.0
> Currently ConnectionManager.HConnectionImplementation uses ZK to get address of current
master. Should instead use pluggable interface to get location of master to connect to (current
active master in the cluster, until we have multiple active masters) elsewhere (e.g. round-robin
over the list of masters set in the client's hbase-site.xml).
> Currently it uses MasterAddressTracker, which reads from ZK, and this is the only place
where MasterAddressTracker is used on the client side (except ZkUtil util method which dumps
ZK namespace to log). So implementation of  failover proxy which fails over multiple masters
will probably used only here.

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