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From "Ted Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4459) HbaseObjectWritable code is a byte, we will eventually run out of codes
Date Thu, 13 Oct 2011 02:51:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126312#comment-13126312

Ted Yu commented on HBASE-4459:

So this means we can replace out.writeByte(code) in HBaseObjectWritable.writeClassCode() with

Shall we pull this JIRA into 0.92 ?
> HbaseObjectWritable code is a byte, we will eventually run out of codes
> -----------------------------------------------------------------------
>                 Key: HBASE-4459
>                 URL: https://issues.apache.org/jira/browse/HBASE-4459
>             Project: HBase
>          Issue Type: Bug
>          Components: io
>            Reporter: Jonathan Gray
>            Priority: Critical
>             Fix For: 0.94.0
> There are about 90 classes/codes in HbaseObjectWritable currently and Byte.MAX_VALUE
is 127.  In addition, anyone wanting to add custom classes but not break compatibility might
want to leave a gap before using codes and that's difficult in such limited space.
> Eventually we should get rid of this pattern that makes compatibility difficult (better
client/server protocol handshake) but we should probably at least bump this to a short for

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