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https://issues.apache.org/jira/browse/BEAM-2899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16250636#comment-16250636
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ASF GitHub Bot commented on BEAM-2899:
--------------------------------------
GitHub user tgroh opened a pull request:
https://github.com/apache/beam/pull/4127
[BEAM-2899] Add a Logging Service to FnExecution
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---
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgroh/beam logging_service
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/4127.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4127
----
commit f1649bd54b0f6a9bd93f9602fc45558384b2de4d
Author: Thomas Groh <[email protected]>
Date: 2017-10-31T00:44:38Z
Add a Logging Service implementation to FnExecution
commit c1041876c43ccb2e0b453e99f4e4fabb16d3aaa0
Author: Thomas Groh <[email protected]>
Date: 2017-11-01T01:14:56Z
Implement an Slf4j Log Writer
This is a LogWriter that delegates to an Slf4j Backend
----
> Universal Local Runner
> ----------------------
>
> Key: BEAM-2899
> URL: https://issues.apache.org/jira/browse/BEAM-2899
> Project: Beam
> Issue Type: Improvement
> Components: runner-core
> Reporter: Henning Rohde
> Assignee: Thomas Groh
> Labels: portability
>
> To make the portability effort tractable, we should implement a Universal
> Local Runner (ULR) in Java that runs in a single server process plus docker
> containers for the SDK harness containers. It would serve multiple purposes:
> (1) A reference implementation for other runners. Ideally, any new feature
> should be implemented in the ULR first.
> (2) A fully-featured test runner for SDKs who participate in the
> portability framework. It thus complements the direct runners.
> (3) A test runner for user code that depends on or customizes the runtime
> environment. For example, a DoFn that shells out has a dependency that may be
> satisfied on the user's desktop (and thus works fine on the direct runner),
> but perhaps not by the container harness image. The ULR allows for an easy
> way to find out.
> The Java direct runner presumably has lots of pieces that can be reused.
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