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https://issues.apache.org/jira/browse/HBASE-18118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16490180#comment-16490180
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Andrew Purtell commented on HBASE-18118:
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NONE is not a valid constant so every attempt to invoke the API will fail. That
does not seem like the right thing to do. That was the reason for this change.
Suggestion to revert makes no sense without some other kind of fix.
> Default storage policy if not configured cannot be "NONE"
> ---------------------------------------------------------
>
> Key: HBASE-18118
> URL: https://issues.apache.org/jira/browse/HBASE-18118
> Project: HBase
> Issue Type: Bug
> Components: wal
> Affects Versions: 2.0.0
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-18118.patch
>
>
> HBase can't use 'NONE' as default storage policy if not configured because
> HDFS supports no such policy. This policy name was probably available in a
> precommit or early version of the HDFS side support for heterogeneous
> storage. Now the best default is 'HOT'.
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