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https://issues.apache.org/jira/browse/FLINK-10954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17229699#comment-17229699
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Dian Fu commented on FLINK-10954:
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Any update on this issue? Are we still target it for 1.12.0?
> 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
> Fix For: 1.12.0
>
>
> 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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