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From "huaxiang sun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18352) Enable Replica tests that were disabled by Proc-V2 AM in HBASE-14614
Date Sun, 22 Oct 2017 15:57:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16214363#comment-16214363

huaxiang sun commented on HBASE-18352:

Posting the progress so far, testCreateTableWithMultipleReplicas failed after enabling this
test. Even with HBASE-18946, still saw the failure with the whole cluster shutdown and comes
      // Now shut the whole cluster down, and verify the assignments are kept so that the
      // availability constraints are met.

The issue is that when the cluster is up, it tries to retain the assignment, and since in
local unittest environment, all hostname(ip) for region server  are same, then it will try
to randomly assign these regions and result in primary/replica region being assigned to the
same host. I need to check how it works in branch-1, maybe I am missing something here.

> Enable Replica tests that were disabled by Proc-V2 AM in HBASE-14614
> --------------------------------------------------------------------
>                 Key: HBASE-18352
>                 URL: https://issues.apache.org/jira/browse/HBASE-18352
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.0.0-alpha-1
>            Reporter: Stephen Yuan Jiang
>            Assignee: huaxiang sun
> The following replica tests were disabled by Core Proc-V2 AM in HBASE-14614:
> - Disabled parts of...testCreateTableWithMultipleReplicas in TestMasterOperationsForRegionReplicas
There is an issue w/ assigning more replicas if number of replicas is changed on us. See '/*
> - Disabled testRegionReplicasOnMidClusterHighReplication in TestStochasticLoadBalancer2
> - Disabled testFlushAndCompactionsInPrimary in TestRegionReplicas
> This JIRA tracks the work to enable them (or modify/remove if not applicable).

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