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https://issues.apache.org/jira/browse/HBASE-11983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Dimiduk updated HBASE-11983:
---------------------------------
Attachment: HBASE-11983.05.patch
Ugh. Finding my own checkstyle warnings is a needle-haystack problem. We need a
checkstyle-results.xml diff utility. Cleaned up the obvious unused import
culprits, let's see how it goes.
> HRegion constructors should not create HLog
> --------------------------------------------
>
> Key: HBASE-11983
> URL: https://issues.apache.org/jira/browse/HBASE-11983
> Project: HBase
> Issue Type: Bug
> Components: wal
> Reporter: Enis Soztutar
> Assignee: Nick Dimiduk
> Labels: beginner
> Fix For: 2.0.0, 1.1.0
>
> Attachments: HBASE-11983.00.patch, HBASE-11983.01.patch,
> HBASE-11983.02.patch, HBASE-11983.03.patch, HBASE-11983.03.patch,
> HBASE-11983.04.patch, HBASE-11983.05.patch
>
>
> We should get rid of HRegion creating its own HLog. It should ALWAYS get the
> log from outside.
> I think this was added for unit tests, but we should refrain from such
> practice in the future (adding UT constructors always leads to weird and
> critical bugs down the road). See recent: HBASE-11982, HBASE-11654.
> Get rid of weird things like ignoreHLog:
> {code}
> /**
> * @param ignoreHLog - true to skip generate new hlog if it is null, mostly
> for createTable
> */
> public static HRegion createHRegion(final HRegionInfo info, final Path
> rootDir,
> final Configuration conf,
> final HTableDescriptor hTableDescriptor,
> final HLog hlog,
> final boolean initialize, final boolean
> ignoreHLog)
> {code}
> We can unify all the createXX and newXX methods and separate creating a
> region in the file system vs opening a region.
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