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https://issues.apache.org/jira/browse/BEAM-12818?focusedWorklogId=682807&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-682807
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ASF GitHub Bot logged work on BEAM-12818:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 17/Nov/21 17:28
Start Date: 17/Nov/21 17:28
Worklog Time Spent: 10m
Work Description: tvalentyn commented on pull request #15416:
URL: https://github.com/apache/beam/pull/15416#issuecomment-971797869
Can we close out BEAM-12818 now?
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Issue Time Tracking
-------------------
Worklog Id: (was: 682807)
Time Spent: 5h 40m (was: 5.5h)
> When writing to GCS, spread prefix of temporary files and reuse autoscaling
> of the temporary directory
> ------------------------------------------------------------------------------------------------------
>
> Key: BEAM-12818
> URL: https://issues.apache.org/jira/browse/BEAM-12818
> Project: Beam
> Issue Type: Bug
> Components: io-java-gcp
> Reporter: Sam Whittle
> Assignee: Sam Whittle
> Priority: P1
> Fix For: 2.35.0
>
> Time Spent: 5h 40m
> Remaining Estimate: 0h
>
> When writing files using FileIO, the given temporary directory has a
> subdirectory created in it for each FileBasedSink. This is useful for
> non-windowed output where the temporary directory can be matched to delete
> leftover files that were lost during processing.
> However for windowed writes such subdirectories are unnecessary and cause a
> common prefix to be shared for the temporary files. Additionally this common
> prefix varies per job and thus the autoscaling for the previous prefix is no
> longer effective, see
> https://cloud.google.com/storage/docs/request-rate#randomness_after_sequential_prefixes_is_not_as_effective
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