[jira] [Reopened] (HBASE-11437) Modify cell tag handling code to treat the length as unsigned

["Anoop Sam John (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-11437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anoop Sam John reopened HBASE-11437:
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There is one mistake I did in VisibilityUtils.java change.  Going to give addendum for that.
Also we were not doing the new Serialization format version tag creation correctly.

> Modify cell tag handling code to treat the length as unsigned
> -------------------------------------------------------------
>
>                 Key: HBASE-11437
>                 URL: https://issues.apache.org/jira/browse/HBASE-11437
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.98.0
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 0.99.0, 0.98.4, 2.0.0
>
>         Attachments: HBASE-11437.patch, HBASE-11437.patch, HBASE-11437.patch, HBASE-11437_0.98.patch, HBASE-11437_0.98_V2.patch, HBASE-11437_trunk.patch
>
>
> We store each tag's length and total tags length with 2 bytes in KeyValue buffer, HFiles etc and we treat these lengths as short through out the code.  So the max length can be Short.MAX_VALUE.   We can treat these lengths as unsigned and +ve always.  So we can actually treat these lengths as int and store with 2 bytes so that the max length can reach 65535.



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