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https://issues.apache.org/jira/browse/BEAM-7507?focusedWorklogId=262721&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-262721
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ASF GitHub Bot logged work on BEAM-7507:
----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Jun/19 02:10
Start Date: 19/Jun/19 02:10
Worklog Time Spent: 10m
Work Description: steveniemitz commented on pull request #8888:
[BEAM-7507] Avoid more String.format and ByteString.toStringUtf8
URL: https://github.com/apache/beam/pull/8888
Profiling revealed a couple more spots where non-utf8 byte strings were
being interpreted as utf8. In this case, it was also using
Preconditions.checkNotNull/checkState, which eagerly evaluates the parameters
to the format string for the error message.
@lukecwik thanks for looking at all these :)
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Issue Time Tracking
-------------------
Worklog Id: (was: 262721)
Time Spent: 0.5h (was: 20m)
> StreamingDataflowWorker attempts to decode non-utf8 binary data as utf8
> -----------------------------------------------------------------------
>
> Key: BEAM-7507
> URL: https://issues.apache.org/jira/browse/BEAM-7507
> Project: Beam
> Issue Type: Improvement
> Components: runner-dataflow
> Reporter: Steve Niemitz
> Assignee: Steve Niemitz
> Priority: Trivial
> Fix For: 2.14.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> In StreamingDataflowWorker, when setting the workId for the logging MDC,
> currently the code attempts to decode a binary blob as utf8. This will
> (generally) cause a decoding error, and the java UTF8 decoder uses a globally
> synchronized cache to handle generating these error results.
> A simple solution would be to use the protobuf TextFormat escaping to convert
> the ByteString key into a string.
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