[jira] [Updated] (HBASE-8702) Make WALEditCodec pluggable

["Jesse Yates (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-8702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesse Yates updated HBASE-8702:
-------------------------------

    Attachment: hbase-8702-0.94-v0.patch

Attaching patch for 0.94 that just makes the WALEditCodec pluggable for the HLog reading/writing. Passes the added test and Test*WAL*,Test*HLog*,Test*Replication*.

Working on a trunk patch (should be pretty similar).
                
> Make WALEditCodec pluggable
> ---------------------------
>
>                 Key: HBASE-8702
>                 URL: https://issues.apache.org/jira/browse/HBASE-8702
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication, wal
>            Reporter: Jesse Yates
>            Assignee: Jesse Yates
>             Fix For: 0.98.0, 0.95.1, 0.94.9
>
>         Attachments: hbase-8702-0.94-v0.patch
>
>
> WALEditCode needs to be pluggable to support alternative serialziation mechanisms. 
> The open question here is whether to support the alternative codec when doing replication - both clusters would need the codec on the classpath, which has additional overhead and also will be a little bit complicated when making the WAL serialization backwards compatible in 0.94. 
> This is the follow-up to HBASE-8636.

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