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From Tomek Rękawek (JIRA) <j...@apache.org>
Subject [jira] [Updated] (OAK-5222) Optimize the multiplexing node store
Date Thu, 22 Dec 2016 11:52:58 GMT

     [ https://issues.apache.org/jira/browse/OAK-5222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tomek Rękawek updated OAK-5222:
-------------------------------
    Attachment: OAK-5222-1.patch

> Optimize the multiplexing node store
> ------------------------------------
>
>                 Key: OAK-5222
>                 URL: https://issues.apache.org/jira/browse/OAK-5222
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>            Reporter: Tomek Rękawek
>            Assignee: Tomek Rękawek
>             Fix For: 1.8
>
>         Attachments: OAK-5222-1.patch, results1.png
>
>
> I added support for the multiplexing node store for the oak-run benchmark fixtures. It
seems that the performance in ReadDeepTreeTest is linearly dependent on the mount counts:
> {noformat}
> Mounts	N
> 0	729
> 1	402
> 2	287
> 3	209
> 4	188
> 5	154
> 6	133
> 7	126
> 8	104
> 9	100
> 10	85
> 20	46
> {noformat}
> {{N}} - throughput in 60 seconds. Following command was used:
> {noformat}
> $ java -jar target/oak-run-1.6-SNAPSHOT.jar benchmark ReadDeepTreeTest Oak-Multiplexing
--mounts=10
> {noformat}
> It should be possible to improve this, so we won't have a noticeable performance decrease
for 1000 mounts.
> //cc: [~rombert]



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