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https://issues.apache.org/jira/browse/FLINK-24785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17708258#comment-17708258
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Yun Tang commented on FLINK-24785:
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[~assassinj] The "previous location" means the default location under RocksDB's
db folder.
I think modifying the FRocksDB code would be a bit heavy as it was not so easy
to release a new FRocksDB version.
>From my point of view, you can:
1. Create a PR to avoid relocating the RocksDB's log if the path name is longer
than 255, that could resolve this problem, and we don't need to wait another
FRocksDB release.
2. Create a PR of FRocksDB repo to change the filename.
Both PRs could belong to the same new ticket (I can help assign that to you).
> Relocate RocksDB's log under flink log directory by default
> -----------------------------------------------------------
>
> Key: FLINK-24785
> URL: https://issues.apache.org/jira/browse/FLINK-24785
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / State Backends
> Reporter: Yun Tang
> Assignee: Nicholas Jiang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.15.0
>
>
> Previously, RocksDB's log locates at its own DB folder, which makes the
> debuging RocksDB not so easy. We could let RocksDB's log stay in Flink's log
> directory by default.
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