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Posted to dev@phoenix.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2014/09/24 02:49:34 UTC

[jira] [Updated] (PHOENIX-1280) ColumnProjectionFilter creates too many ImmutableBytesPtrs

     [ https://issues.apache.org/jira/browse/PHOENIX-1280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl updated PHOENIX-1280:
-----------------------------------
    Summary: ColumnProjectionFilter creates too many ImmutableBytesPtrs  (was: ColumnProjectionFilter makes too many ImmutableBytesPtrs)

> ColumnProjectionFilter creates too many ImmutableBytesPtrs
> ----------------------------------------------------------
>
>                 Key: PHOENIX-1280
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1280
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>         Attachments: 1280-WIP.txt, 1280-v1.txt
>
>
> 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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