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https://issues.apache.org/jira/browse/FLINK-8794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16383356#comment-16383356
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yanxiaobin edited comment on FLINK-8794 at 3/2/18 8:40 AM:
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hi, [~pnowojski] Thank you for your suggestion！ The downstream processor can
ignore the files with "*pending" or "*in-progress" sufixes and "_" prefix, but
I don't think it's a good way to deal with it. We can change this behaviour/add
an option for BucketingSink to use temporary "in-progress" and "pending"
directories instead of prefixes， but the temporary "in-progress" and "pending"
directories is still also a subdirectory of the base directory, and the
downstream processor may still read the base directory recursively, It also
results in reading redundant dirty data. I think the temporary data produced
during the program should be isolated from the final output data. Thanks！
Also [~kkl0u] could you elaborate why rescaling forced us to keep lingering
files?
was (Author: backlight):
hi, [~pnowojski] ! Thank you for your suggestion！ The downstream processor can
ignore the files with "*pending" or "*in-progress" sufixes and "_" prefix, but
I don't think it's a good way to deal with it. We can change this behaviour/add
an option for BucketingSink to use temporary "in-progress" and "pending"
directories instead of prefixes， but the temporary "in-progress" and "pending"
directories is still also a subdirectory of the base directory, and the
downstream processor may still read the base directory recursively, It also
results in reading redundant dirty data. I think the temporary data produced
during the program should be isolated from the final output data. Thanks!
Also [~kkl0u] could you elaborate why rescaling forced us to keep lingering
files?
> When using BucketingSink, it happens that one of the files is always in the
> [.in-progress] state
> ------------------------------------------------------------------------------------------------
>
> Key: FLINK-8794
> URL: https://issues.apache.org/jira/browse/FLINK-8794
> Project: Flink
> Issue Type: Bug
> Components: filesystem-connector
> Affects Versions: 1.4.0, 1.4.1
> Reporter: yanxiaobin
> Priority: Major
>
> When using BucketingSink, it happens that one of the files is always in the
> [.in-progress] state. And this state has never changed after that. The
> underlying use of S3 as storage.
>
> {code:java}
> // code placeholder
> {code}
> 2018-02-28 11:58:42 147341619 {color:#d04437}_part-28-0.in-progress{color}
> 2018-02-28 12:06:27 147315059 part-0-0
> 2018-02-28 12:06:27 147462359 part-1-0
> 2018-02-28 12:06:27 147316006 part-10-0
> 2018-02-28 12:06:28 147349854 part-100-0
> 2018-02-28 12:06:27 147421625 part-101-0
> 2018-02-28 12:06:27 147443830 part-102-0
> 2018-02-28 12:06:27 147372801 part-103-0
> 2018-02-28 12:06:27 147343670 part-104-0
> ......
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