[jira] Updated: (HBASE-2055) Serialize WAL as Avro records

["Andrew Purtell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-2055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell updated HBASE-2055:
----------------------------------

    Attachment: HBASE-2055.patch

No idea if it works yet.

> Serialize WAL as Avro records
> -----------------------------
>
>                 Key: HBASE-2055
>                 URL: https://issues.apache.org/jira/browse/HBASE-2055
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>         Attachments: HBASE-2055.patch
>
>
> There was some advocacy of using Avro for serialization of HBase WAL records up on hbase-dev@. Idea is Hadoop core is getting away from Writables and Avro is the blessed replacement. 
> I think we have this criteria for its use:
> 1) Performance of writing Avro records is no worse than that for writing Writables into a SequenceFile.
> 2) Space consumed by Avro serialization is no worse than that of Writables
> 3) File format is amenable to appends (cannot require valid trailers, etc.)
> I'll put up a patch so we can try it out. 

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