[infinispan-issues] [JBoss JIRA] Commented: (ISPN-1291) FileCacheStore implementation leads to purge duration of many minutes and sometimes many hours

[Robert Stupp (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-1291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618079#comment-12618079 ] 

Robert Stupp commented on ISPN-1291:
------------------------------------

As a temporary workaround, it is good not to write empty files (file length==0).

> FileCacheStore implementation leads to purge duration of many minutes and sometimes many hours
> ----------------------------------------------------------------------------------------------
>
>                 Key: ISPN-1291
>                 URL: https://issues.jboss.org/browse/ISPN-1291
>             Project: Infinispan
>          Issue Type: Quality Risk
>          Components: Loaders and Stores
>    Affects Versions: 4.2.1.FINAL, 5.0.0.CR8
>            Reporter: Robert Stupp
>            Assignee: Manik Surtani
>
> Purging in FileCacheStore takes too long.
> I have implemented a copy of FileCacheStore with the issues of ISPN-1286 resolved.
> So the purgeInternal will both not block the whole application (uses cache key locks instead of a global lock and a large purge interval).
> When adding a huge amount of data, the FileCacheStore writes many many thousands of files.
> During each purge, all files will be touched - so the time to purge increases until it is no longer acceptable (several minutes to several hours).

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