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https://issues.apache.org/jira/browse/HBASE-15218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anoop Sam John updated HBASE-15218:
-----------------------------------
Release Note:
This issue fixes
- In case of normal WAL (Not encrypted) we were loosing all cell tags on WAL
replay after an RS crash
- In case of encrypted WAL we were not even persisting Cell tags in WAL. Tags
from all unflushed (to HFile) Cells will get lost even after WAL replay
recovery is done.
> On RS crash and replay of WAL, loosing all Tags in Cells
> --------------------------------------------------------
>
> Key: HBASE-15218
> URL: https://issues.apache.org/jira/browse/HBASE-15218
> Project: HBase
> Issue Type: Bug
> Components: Recovery, regionserver, security
> Affects Versions: 2.0.0, 0.98.13, 1.0.2, 1.2.0, 1.1.1
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Priority: Blocker
> Labels: needs_releasenote
> Fix For: 2.0.0, 1.2.0, 1.3.0, 1.1.4, 1.0.4, 0.98.18
>
> Attachments: HBASE-15218-0.98.patch, HBASE-15218-branch-1.1.patch,
> HBASE-15218-branch-1.2.patch, HBASE-15218.patch
>
>
> The KeyValueCodec's Decoder makes NoTagsKeyValue. The WalCellCodec also makes
> this Decoder and so while reading Cells after RS crash, we will loose all
> tags in Cells. (While writing to WAL using WALCellCodec, we are preserving
> Cell tags.)
> In case of SecureWALCellCodec, we are not even writing Cell tags to WAL.
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