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From "Heng Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14648) Reenable TestWALProcedureStoreOnHDFS#testWalRollOnLowReplication
Date Tue, 20 Oct 2015 07:05:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14964676#comment-14964676
] 

Heng Chen commented on HBASE-14648:
-----------------------------------

I have a question about this testcase.

The testcase is to do test about Roll under low replication.  But why we set dfs.namenode.replication.min
to be 3.

{{dfs.namenode.replication.min}} means when we write to hdfs if replica under this value,
write will be failed. 

And our dn number is 3 too.  So when we restart, if the dn come back slowly, all insert action
will be failed. 

But what we want to test is low replication( < 3) . It means under this situation, {{dfs.namenode.replication.min}}
will never be satisfied. 

Do you think we should set {{dfs.namenode.replication.min}} to be 1? 


> Reenable TestWALProcedureStoreOnHDFS#testWalRollOnLowReplication
> ----------------------------------------------------------------
>
>                 Key: HBASE-14648
>                 URL: https://issues.apache.org/jira/browse/HBASE-14648
>             Project: HBase
>          Issue Type: Sub-task
>          Components: test
>            Reporter: stack
>            Priority: Critical
>             Fix For: 2.0.0, 1.2.0, 1.3.0, 1.1.3
>
>




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