[jira] [Resolved] (SOLR-7391) Use a time based expiration cache for one off hdfs FileSystem instances.

["Mark Miller (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-7391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Miller resolved SOLR-7391.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 5.2
                   Trunk

> Use a time based expiration cache for one off hdfs FileSystem instances.
> ------------------------------------------------------------------------
>
>                 Key: SOLR-7391
>                 URL: https://issues.apache.org/jira/browse/SOLR-7391
>             Project: Solr
>          Issue Type: Improvement
>          Components: hdfs, s
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>             Fix For: Trunk, 5.2
>
>         Attachments: SOLR-7391.patch
>
>
> Most FileSystem clients are tied to a SolrCore and long lived, but in some cases where we don't have SolrCore context we create a short lived hdfs client object.
> Because these instances can be created via user generated actions, we don't want to be able to create too many of them - they have overhead that does not make them great candidates for being spun up for a single call.



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