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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2014/09/24 08:37:34 UTC

[jira] [Updated] (HBASE-12077) FilterLists create many ArrayList$Itr objects per row.

     [ https://issues.apache.org/jira/browse/HBASE-12077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl updated HBASE-12077:
----------------------------------
    Summary: FilterLists create many ArrayList$Itr objects per row.  (was: FilterLists create many ArrayList$Itr object per row.)

> FilterLists create many ArrayList$Itr objects per row.
> ------------------------------------------------------
>
>                 Key: HBASE-12077
>                 URL: https://issues.apache.org/jira/browse/HBASE-12077
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Lars Hofhansl
>             Fix For: 2.0.0, 0.98.7, 0.94.24, 0.99.1
>
>         Attachments: 12077-0.98.txt
>
>
> Almost all methods in FilterList do work on behalf the passes list of filters, which - you guessed it - is always an ArrayList and we always iterate over those with an iterator. Multiple of these methods are called to each row leading to creating about 10 Itr for single row touched (whether filtered or not)



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