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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-59) Switch from IOChannelFactory to FileSystems
Date Thu, 04 May 2017 04:00:07 GMT


ASF GitHub Bot commented on BEAM-59:

GitHub user dhalperi opened a pull request:

    [BEAM-59] Swap IOChannel to FileSystems finishing touches

    All these are small.
    After this, all I have left is BigQuery.

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

    $ git pull iocf-die-die-die

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 #2887
commit 62643043f785f75e7fc0b25e8fcf876b5cb89e63
Author: Dan Halperin <>
Date:   2017-05-04T00:50:20Z

    AvroIOTest: stop using IOChannelUtils, remove invalid test

commit 119d0b962590bc9e7fd83937b3103ed1bc3d9384
Author: Dan Halperin <>
Date:   2017-05-04T00:55:32Z

    DataflowRunner: switch from IOChannels to FileSystems for creating files

commit 42d264877648b34f6034549e746f7a3eb69b38d4
Author: Dan Halperin <>
Date:   2017-05-04T01:01:29Z

    DataflowPipelineOptions: use FileSystems, not IOChannelUtils, to resolve staging location

commit 4327af07e99a1d3f080b47d449302cfb729f6197
Author: Dan Halperin <>
Date:   2017-05-04T01:02:42Z

    Stop registering IOChannelFactories in SDK harness, runners, tests

commit 0cf14b87569e91f8c317ae3130d8dc4ee9da91df
Author: Dan Halperin <>
Date:   2017-05-04T01:11:34Z

    WriteWithShardingFactoryTest: switch to FileSystems

commit e8d78653afc8fc7bebf0da95103e7fee136279c4
Author: Dan Halperin <>
Date:   2017-05-04T01:18:52Z

    ReadTranslator: remove outdated comment

commit 91d5903c26044904c99cc4d1e0f7a39a98a90be6
Author: Dan Halperin <>
Date:   2017-05-04T02:34:04Z

    FileSystems: add match(String) for single spec

commit 42ad4bcf8bed7843aa7478062534c420d56cfa26
Author: Dan Halperin <>
Date:   2017-05-04T02:34:25Z

    TFRecordIO: switch to FileSystems from IOChannelUtils


> 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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