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https://issues.apache.org/jira/browse/BOOKKEEPER-563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sijie Guo updated BOOKKEEPER-563:
---------------------------------

    Description: 
writing data into journal which force the data in os buffer cache being used 
for hot reads, which could have negative affect on performance.

similar solution is as CASSANDRA-1470.

  was:writing data into journal which force the data in os buffer cache being 
used for hot reads, which could have negative affect on performance.

    
> Avoid Journal polluting page cache
> ----------------------------------
>
>                 Key: BOOKKEEPER-563
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-563
>             Project: Bookkeeper
>          Issue Type: Improvement
>            Reporter: Sijie Guo
>            Assignee: Robin Dhamankar
>             Fix For: 4.3.0
>
>
> writing data into journal which force the data in os buffer cache being used 
> for hot reads, which could have negative affect on performance.
> similar solution is as CASSANDRA-1470.

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