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From "Alex Deparvu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-7862) Make PermissionEntryCache more resilient against OOME (1.8)
Date Thu, 25 Oct 2018 14:10:00 GMT

    [ https://issues.apache.org/jira/browse/OAK-7862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16663793#comment-16663793
] 

Alex Deparvu commented on OAK-7862:
-----------------------------------

[1.8]
{noformat}
Apache Jackrabbit Oak
# CanReadNonExisting               C     min     10%     50%     90%     max       N 
Oak-Segment-Tar                   10    4101    4430    5713    6435    7117     110
{noformat}
Same as trunk, test on 1.8 OOMEs at 50 concurrent threads. 

[1.8 patch]
{noformat}
Apache Jackrabbit Oak
# CanReadNonExisting               C     min     10%     50%     90%     max       N 
Oak-Segment-Tar                   10    3014    3361    3845    4313    4933     160
Oak-Segment-Tar                   50   28232   29340   31856   34518   35093     100
Oak-Segment-Tar                  100   63306   64996   66317   66625   66676     100
{noformat}

> Make PermissionEntryCache more resilient against OOME (1.8)
> -----------------------------------------------------------
>
>                 Key: OAK-7862
>                 URL: https://issues.apache.org/jira/browse/OAK-7862
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.8.8
>            Reporter: Alex Deparvu
>            Assignee: Alex Deparvu
>            Priority: Major
>             Fix For: 1.8.9
>
>
> This is the same issue as OAK-7860 but for the 1.8 branch.
> Due to the complexity of the backport (code was refactored on trunk heavily), [~anchela]
suggested we do a dedicated 1.8 fix.



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