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https://issues.apache.org/jira/browse/FLINK-10198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-10198:
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Labels: auto-deprioritized-major auto-deprioritized-minor auto-unassigned
pull-request-available (was: auto-deprioritized-major auto-unassigned
pull-request-available stale-minor)
Priority: Not a Priority (was: Minor)
This issue was labeled "stale-minor" 7 days ago and has not received any
updates so it is being deprioritized. If this ticket is actually Minor, please
raise the priority and ask a committer to assign you the issue or revive the
public discussion.
> Set Env object in DBOptions for RocksDB
> ---------------------------------------
>
> Key: FLINK-10198
> URL: https://issues.apache.org/jira/browse/FLINK-10198
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Affects Versions: 1.7.0
> Reporter: Stefan Richter
> Priority: Not a Priority
> Labels: auto-deprioritized-major, auto-deprioritized-minor,
> auto-unassigned, pull-request-available
>
> I think we should consider to always set a default environment when we create
> the DBOptions.
> See https://github.com/facebook/rocksdb/wiki/rocksdb-basics:
> *Support for Multiple Embedded Databases in the same process*
> A common use-case for RocksDB is that applications inherently partition their
> data set into logical partitions or shards. This technique benefits
> application load balancing and fast recovery from faults. This means that a
> single server process should be able to operate multiple RocksDB databases
> simultaneously. This is done via an environment object named Env. Among other
> things, a thread pool is associated with an Env. If applications want to
> share a common thread pool (for background compactions) among multiple
> database instances, then it should use the same Env object for opening those
> databases.
> Similarly, multiple database instances may share the same block cache.
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