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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-4176) Persistent Cache improvements
Date Wed, 07 Dec 2016 14:46:58 GMT

     [ https://issues.apache.org/jira/browse/OAK-4176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Mueller updated OAK-4176:
--------------------------------
    Fix Version/s: 1.8

> Persistent Cache improvements
> -----------------------------
>
>                 Key: OAK-4176
>                 URL: https://issues.apache.org/jira/browse/OAK-4176
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core, documentmk
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>             Fix For: 1.8
>
>
> We want to analyze and improve the persistent cache (specially the node cache):
> * Measure how much slower / faster it is compared to the segment store, for example for
traversal of the whole repository.
> * Measure the cache miss overhead, and find ways to reduce it.
> * Try to improve the data model, specially ordering of the data and granularity.
> * Try to reduce usage of 3rd party libraries if it makes sense.
> * Hierarchy info is lost in the persistent cache API (currently it's just a key-value
store), so possibly change the API.



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