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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-12335) Improvement the performance of class SegmentsUtil
Date Fri, 26 Apr 2019 10:06:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-12335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated FLINK-12335:
-----------------------------------
    Labels: pull-request-available  (was: )

> Improvement the performance of class SegmentsUtil
> -------------------------------------------------
>
>                 Key: FLINK-12335
>                 URL: https://issues.apache.org/jira/browse/FLINK-12335
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Runtime
>            Reporter: Liya Fan
>            Assignee: Liya Fan
>            Priority: Minor
>              Labels: pull-request-available
>
> Improve the performance of class SegmentsUtil:
> To evaluate the offset, an integer is bitand with a mask to clear to low bits, and then
shift right. The bitand is useless:
> ((index & BIT_BYTE_POSITION_MASK) >>> 3)



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