+1

Thanks

Enrico

Il Gio 17 Apr 2025, 10:22 Lari Hotari <lhot...@apache.org> ha scritto:

> Hello BookKeeper community,
>
> I'd like to propose upgrading our RocksDB dependency from the current
> 7.10.2 version to 9.9.3.
> Among all 9.x versions, I specifically chose 9.9.3 since it's
> currently the most recent version with multiple patch releases and
> it's readily available in Maven Central [1].
>
> Upgrading RocksDB would bring important benefits:
> - Bug fixes and improvements made in RocksDB since 7.10.2
> - Multiple bug fixes specifically related to CompactRange [2,3]
>
> RocksDB 9.x uses format_version=6 by default, which isn't backward
> compatible with RocksDB versions before 8.6.0.
> We've addressed this in our codebase by:
> 1. Explicitly setting format_version=5 in configuration files for all
> RocksDB database instances
> 2. Fixing several bugs where format_version wasn't set consistently
> across all database instances (PRs #4466, #4480, #4559, and #4560)
> With these changes, we've verified that upgrade/downgrade
> compatibility tests pass successfully.
>
> The PR to upgrade to 9.9.3 is
> https://github.com/apache/bookkeeper/pull/4580
>
> If there are no significant objections, I suggest that we target this
> upgrade for the 4.18.0 release.
>
> Looking forward to your feedback!
>
> Best regards,
>
> -Lari
>
> 1 - https://search.maven.org/artifact/org.rocksdb/rocksdbjni
> 2 -
> https://github.com/facebook/rocksdb/releases?q=CompactRange&expanded=true
> 3 - https://github.com/facebook/rocksdb/blob/main/HISTORY.md
>

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