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https://issues.apache.org/jira/browse/HBASE-451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13046681#comment-13046681
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Subbu M Iyer commented on HBASE-451:
------------------------------------
I have created a new trunk snapshot last evening and applied my patch as well
as resolved the conflicts.
All tests have passed except the two below.
1. TestReplication.queueFailover - I see a very informative note on this
failure in the test as shown below, so I would
think that this is not due to HBASE-451 changes.
-- WARNING this test sometimes fails because of HBASE-3515
2. TestMasterFailover - Need to research more.
Both these tests passed in my older snapshot build (which is one week+ old) and
I will review it closer again.
Also, a closer look at the failure log shows that these failures may not be due
to HBASE-451 changes.
Here are my priorities now:
1. Address failures from your test run.
2. Work on the issue of master crash during meta migration at startup.
> Remove HTableDescriptor from HRegionInfo
> ----------------------------------------
>
> Key: HBASE-451
> URL: https://issues.apache.org/jira/browse/HBASE-451
> Project: HBase
> Issue Type: Improvement
> Components: master, regionserver
> Affects Versions: 0.2.0
> Reporter: Jim Kellerman
> Assignee: Subbu M Iyer
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: 451_support_for_removing_HTD_from_HRI_trunk.txt,
> HBASE-451_-_First_draft_support_for_removing_HTD_from_HRI1.patch,
> HBASE-451_-_Fourth_draft_support_for_removing_HTD_from_HRI.patch,
> HBASE-451_-_Second_draft_-_Remove_HTD_from_HRI.patch
>
>
> There is an HRegionInfo for every region in HBase. Currently HRegionInfo also
> contains the HTableDescriptor (the schema). That means we store the schema n
> times where n is the number of regions in the table.
> Additionally, for every region of the same table that the region server has
> open, there is a copy of the schema. Thus it is stored in memory once for
> each open region.
> If HRegionInfo merely contained the table name the HTableDescriptor could be
> stored in a separate file and easily found.
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