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From "Piotr Nowojski (Jira)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-22221) Unclear purpose of spill directories
Date Mon, 03 May 2021 06:04:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-22221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17338190#comment-17338190
] 

Piotr Nowojski commented on FLINK-22221:
----------------------------------------

[~chesnay], what do you mean? Are you asking why do we have two of those? 

The first one is the "main" old one, existing in Flink since ages. Second one I see was added
via FLINK-12735 , so I would hope [~chesnay] you would know more about the reasons behind
it? The ticket, PR and commit message are providing some explanation also.

> Unclear purpose of spill directories
> ------------------------------------
>
>                 Key: FLINK-22221
>                 URL: https://issues.apache.org/jira/browse/FLINK-22221
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Network, Runtime / Task
>            Reporter: Chesnay Schepler
>            Priority: Major
>
> It's not clear what the difference here is:
> {code}
> org.apache.flink.runtime.io.disk.FileChannelManagerImpl      [] - FileChannelManager
uses directory /tmp/flink-io-cbd9feba-f02e-469d-9abb-4bc1423d805c for spill files.
> org.apache.flink.runtime.io.disk.FileChannelManagerImpl      [] - FileChannelManager
uses directory /tmp/flink-netty-shuffle-6f5b22e6-226b-43ba-aebd-e346ed641cb2 for spill files.
> {code}



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