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Posted to issues@beam.apache.org by "Jens Wiren (Jira)" <ji...@apache.org> on 2021/09/29 07:47:00 UTC
[jira] [Commented] (BEAM-11959) Python Beam SDK Harness hangs when
installing pip packages
[ https://issues.apache.org/jira/browse/BEAM-11959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17421985#comment-17421985 ]
Jens Wiren commented on BEAM-11959:
-----------------------------------
[~ibzib] [~tvalentyn]
This issue has resurfaced for me again with the newer beam versions 2.31 and 2.32. The fix I mentioned in the previous comment no longer works. Do you now why this issue is resurfacing?
> Python Beam SDK Harness hangs when installing pip packages
> ----------------------------------------------------------
>
> Key: BEAM-11959
> URL: https://issues.apache.org/jira/browse/BEAM-11959
> Project: Beam
> Issue Type: Bug
> Components: runner-flink, sdk-py-harness
> Affects Versions: 2.27.0, 2.28.0, 2.31.0, 2.32.0
> Environment: Kubernetes v1.20.1
> Reporter: Jens Wiren
> Priority: P1
> Attachments: jobmanager-configmap.yaml, jobmanager-deploy.yaml, jobmanager-svc.yaml, taskmanager-deploy.yaml
>
>
> When running a Beam pipeline using Flink as backend, the python sdk harness hangs when trying to install pip packages. Tested using Flink 1.10.3.
> Images used:
> apache/beam_python3.7_sdk:2.28.0
> apache/flink:1.10.3
> Beam args used are:
> "--runner=FlinkRunner",
> "--flink_version=1.10",
> "--flink_master=http://flink-jobmanager.default:8081",
> f"--artifacts_dir=/mnt/flink",
> "--environment_type=EXTERNAL",
> "--environment_config=localhost:50000",
>
> Specifically this was tested by running a TFX pipeline which gets submitted and registered as it should, but the SDK Harness hangs when installing:
> 2021/03/10 12:16:20 Initializing python harness: /opt/apache/beam/boot --id=1-1 --logging_endpoint=localhost:39795 --artifact_endpoint=localhost:34095 --provision_endpoint=localhost:42999 --control_endpoint=localhost:38129
> 2021/03/10 12:16:20 Found artifact: tfx_ephemeral-0.27.0.tar.gz
> 2021/03/10 12:16:20 Found artifact: extra_packages.txt
> 2021/03/10 12:16:20 Installing setup packages ...
> 2021/03/10 12:16:20 Installing extra package: tfx_ephemeral-0.27.0.tar.gz
> and nothing else is shown irregardless how long it is left. I can manually install the TFX package by exec into the container in < 3 min.
> The Flink task-manager then waits idling and periodically logs:
> 2021-03-10 11:29:26,287 INFO org.apache.beam.runners.fnexecution.environment.ExternalEnvironmentFactory - Still waiting for startup of environment from localhost:50000 for worker id 1-1
> Helm charts attached below.
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