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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1280) ColumnProjectionFilter makes too many ImmutableBytesPtrs
Date Tue, 23 Sep 2014 05:29:35 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14144377#comment-14144377
] 

Anoop Sam John commented on PHOENIX-1280:
-----------------------------------------

bq.What should we call it? BytesPtrToImmutableByteArray?
Understood what is Immutable here James. Ya difficult to find a name for it ;)

> ColumnProjectionFilter makes too many ImmutableBytesPtrs
> --------------------------------------------------------
>
>                 Key: PHOENIX-1280
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1280
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Anoop Sam John
>
> While tracing through allocated objects during some queries I find that many ImmutableBytesPtr
objects are created. One offender is ColumnProjectionFilter which first creates the columns
to be projected and then while scanning make a new ImmutableBytesPtr for each single column
that passes through the filter.



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