[jira] [Assigned] (OAK-4578) Clarify weight related methods/parameters/arguments of the LIRS cache

["Thomas Mueller (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-4578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Mueller reassigned OAK-4578:
-----------------------------------

    Assignee: Thomas Mueller  (was: Michael Dürig)

> Clarify weight related methods/parameters/arguments of the LIRS cache
> ---------------------------------------------------------------------
>
>                 Key: OAK-4578
>                 URL: https://issues.apache.org/jira/browse/OAK-4578
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>            Reporter: Michael Dürig
>            Assignee: Thomas Mueller
>              Labels: documentation
>             Fix For: 1.5.6
>
>
> {{CacheLIRS}} has various means for specifying the weight of an element:
> * via {{setAverageMemory()}}
> * via {{CacheLIRS.Builder.averageWeight()}}
> * via {{CacheLIRS.Builder.weigher()}}
> * via the {{memory}} argument of {{put()}}
> It is not clear how this various ways interact which each other when specifying one but not the other and which would take precedence if multiple are specified. 
> Moreover there is the related {{CacheStats}} class, which also require a {{Weigher}}. How does that one related to the arguments of the respective cache instance? 
> [~tmueller], could you please help clarifying these points? E.g. by expanding on the Javadoc.



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