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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2016/04/21 15:12:25 UTC

[jira] [Updated] (LUCENE-7237) LRUQueryCache should rather not cache than wait on a lock

     [ https://issues.apache.org/jira/browse/LUCENE-7237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrien Grand updated LUCENE-7237:
---------------------------------
    Summary: LRUQueryCache should rather not cache than wait on a lock  (was: LRUQueryCache )

> LRUQueryCache should rather not cache than wait on a lock
> ---------------------------------------------------------
>
>                 Key: LUCENE-7237
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7237
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>
> This is an idea Robert just mentioned to me: currently the cache is using a lock to keep various data-structures in sync. It is a pity that you might have contention because of caching. So something we could do would be to not cache when the lock is already taken.



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