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From "Flink Jira Bot (Jira)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-10954) Hardlink from files of previous local stored state might cross devices
Date Thu, 27 May 2021 23:04:03 GMT

     [ https://issues.apache.org/jira/browse/FLINK-10954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Flink Jira Bot updated FLINK-10954:
    Labels: stale-assigned  (was: )

I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community
manage its development. I see this issue is assigned but has not received an update in 14,
so it has been labeled "stale-assigned".
If you are still working on the issue, please remove the label and add a comment updating
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> Hardlink from files of previous local stored state might cross devices
> ----------------------------------------------------------------------
>                 Key: FLINK-10954
>                 URL: https://issues.apache.org/jira/browse/FLINK-10954
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / State Backends
>    Affects Versions: 1.6.2
>            Reporter: Yun Tang
>            Assignee: Yun Tang
>            Priority: Critical
>              Labels: stale-assigned
> Currently, local recovery's base directories is initialized from '{{io.tmp.dirs}}' if
parameter '{{taskmanager.state.local.root-dirs}}' is not set. For Yarn environment, the tmp
dirs is replaced by its '{{LOCAL_DIRS}}', which might consist of directories from different
devices, such as /dump/1/nm-local-dir, /dump/2/nm-local-dir. The local directory for RocksDB
is initialized from IOManager's spillingDirectories, which might located in different device
from local recovery's folder. However, hard-link between different devices is not allowed,
it will throw exception below:
> {code:java}
> java.nio.file.FileSystemException: target -> souce: Invalid cross-device link
> {code}

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