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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-59) Switch from IOChannelFactory to FileSystems
Date Tue, 02 May 2017 01:57:04 GMT


ASF GitHub Bot commented on BEAM-59:

GitHub user dhalperi opened a pull request:

    [BEAM-59] Minor changes that can be separated out from big PR

    All these are minor changes, correct at HEAD, and standalone from #2779

You can merge this pull request into a Git repository by running:

    $ git pull test-cleanup

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2814
commit dbfe24b408c0ebeb003804676484214640ea10df
Author: Dan Halperin <>
Date:   2017-05-02T01:43:23Z

    [BEAM-59] Core tests: stop using gs:// paths
    Local filesystem is just as good an example, and in the
    future these may break because GCS filesystem is not present
    in sdks/java/core.

commit 6b0fa09eb45dfe51d9d93112deea79ff6578e167
Author: Dan Halperin <>
Date:   2017-05-02T01:46:24Z

    [BEAM-59] TFRecordIOTest: cleanup
    1. Shrink file size slightly to reduce test time.
    2. Switch from relative to absolute local file paths, because in the future
       this distinction will matter.

commit 7a02eab9f70f962499101c039a78bcafc2725d3e
Author: Dan Halperin <>
Date:   2017-05-02T01:49:28Z

    [BEAM-59] DataflowRunnerTests: configure FileSystems in test
    This enables the test to use gs:// URIs with the FileSystems API

commit 5ac3cff9b774d1e0c3ce7ee91bfd8aa23cd2dc27
Author: Dan Halperin <>
Date:   2017-05-02T01:54:40Z

    [BEAM-59] AvroIOTest: use absolute paths for display data
    This is future-proofing against eventual conversion to FileSystems API in which all paths
    are absolute


> Switch from IOChannelFactory to FileSystems
> -------------------------------------------
>                 Key: BEAM-59
>                 URL:
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-java-core, sdk-java-gcp
>            Reporter: Daniel Halperin
>            Assignee: Daniel Halperin
>             Fix For: First stable release
> Right now, FileBasedSource and FileBasedSink communication is mediated by IOChannelFactory.
There are a number of issues:
> * Global configuration -- e.g., all 'gs://' URIs use the same credentials. This should
be per-source/per-sink/etc.
> * Supported APIs -- currently IOChannelFactory is in the "non-public API" util package
and subject to change. We need users to be able to add new backends ('s3://', 'hdfs://', etc.)
directly, without fear that they will be broken.
> * Per-backend features: e.g., creating buckets in GCS/s3, setting expiration time, etc.
> Updates:
> Design docs posted on dev@ list:
> Part 1: IOChannelFactory Redesign: 
> Part 2: Configurable BeamFileSystem:

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