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https://issues.apache.org/jira/browse/HBASE-15713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-15713:
--------------------------
Release Note:
(Release note has been ported from the master issue -- with an addendum)
Fix over-persisting in blockcache; no longer save the block PLUS the header of
the next block (3 bytes) when writing the cache.
Also removes support for hfileblock v1; hfile block v1 was used writing hfile
v1. hfile v1 was the default in hbase before hbase-0.92. hbase.96 would not
start unless all v1 hfiles had been compacted out of the cluster.
This patch also removed the tests TestUpgradeTo96 and
TestMetaMigrationConvertingToPB, tests deprecated since hbase-0.96 since they
required support for hfile v1 (which this patch removes). HBASE-11611 removed
these tests from master.
> Backport "HBASE-15477 Do not save 'next block header' when we cache
> hfileblocks"
> --------------------------------------------------------------------------------
>
> Key: HBASE-15713
> URL: https://issues.apache.org/jira/browse/HBASE-15713
> Project: HBase
> Issue Type: Sub-task
> Components: BucketCache
> Affects Versions: 1.3.0, 1.4.0
> Reporter: stack
> Assignee: stack
> Fix For: 1.3.0, 1.4.0
>
> Attachments: 15477.backport.branch-1.v7.patch
>
>
> Backport "HBASE-15477 Do not save 'next block header' when we cache
> hfileblocks"
> The backport involves removing support for hfile v1/hfileblockv1 support
> which was our default before 0.92. The backport patch also removes tests that
> depended on hfile v1, tests that were deprecated post 0.96 and to be removed
> (0.96 was the release that would only run if the whole cluster was hfiles >
> v1).
> [~mantonov] Ok to commit the above to 1.3? Thanks boss.
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