[jira] [Commented] (TIKA-1464) Too many open files in system when parsing thousands of files

["Nick Burch (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TIKA-1464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14194685#comment-14194685 ] 

Nick Burch commented on TIKA-1464:
----------------------------------

Firstly, make sure you're closing the InputStream / TikaInputStream after parsing

Secondly, try with a recent nightly build / build from svn, and see if that solves it. There have been some library upgrades that'll be 1.7, which may help, but you'll need to use a nightly / snapshot build until 1.7 gets released (soonish)

> Too many open files in system when parsing thousands of files
> -------------------------------------------------------------
>
>                 Key: TIKA-1464
>                 URL: https://issues.apache.org/jira/browse/TIKA-1464
>             Project: Tika
>          Issue Type: Bug
>          Components: parser
>    Affects Versions: 1.6
>         Environment: Os-X 10.10, Windows 8.1 (probably all op systems)
>            Reporter: Tim Barrett
>            Priority: Blocker
>              Labels: TooManyOpenFilesInSystem
>
> Our big data project parses many thousands of different kinds of files sequentially. Up to and including Tika 1.5 this has been trouble free and Tika has been a pleasure to use. The files parsed are PDF, MSOffice and MSG files in roughly equal measure.
> We switched to Tika 1.6 last week and this was a good enhancement for us as a number of files (MSOffice) that previously failed to parse do now parse correctly under Tika 1.6.
> However we have seen that a Too many open files in system exception is raised somewhere above 10000 files having been parsed. On a windows server this exception is not raised but the system eventually begins to crawl.
> Watching the system's behaviour with the apache tmp files we see that the apache tika files *are* being deleted from the file system, but lsof is showing all these files as remaining open by the running process using Tika. It would appear that the files are being deleted but handles to these files are not being cleared.



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