[jira] [Updated] (BEAM-1309) FileIOChannelFactory.match() traverses entire parent directory recursively

["Beam JIRA Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-1309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Beam JIRA Bot updated BEAM-1309:
--------------------------------
    Labels: Clarified  (was: Clarified stale-P2)

> FileIOChannelFactory.match() traverses entire parent directory recursively
> --------------------------------------------------------------------------
>
>                 Key: BEAM-1309
>                 URL: https://issues.apache.org/jira/browse/BEAM-1309
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Eugene Kirpichov
>            Priority: P3
>              Labels: Clarified
>
> I was running a pipeline that reads a single file from my local home directory.
> The pipeline got stuck, and upon taking a stack snapshot, I noticed that it was stuck in FileIOChannelFactory.match().
> The code currently works by traversing the whole parent directory of the requested filepattern and checking which files match the filepattern. In my case, that means traversing everything in my home directory, which is *a lot* (and includes remotely mounted directories).
> https://github.com/apache/beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/util/FileIOChannelFactory.java#L109
> This is very wasteful and should be fixed.



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