+1 (non binding) Checked GPG, Sha-512, basic test. Thanks Szehon
On Tue, Oct 13, 2026 at 5:18 PM L. C. Hsieh <[email protected]> wrote: > A follow-up on my earlier note: the ~5x I quoted is for line splitting > alone. I measured an end-to-end replay of a 226 MB (uncompressed) event log > into the app status store on branch-4.0: about 1.51 s with RC2 vs 0.98 s > with SPARK-60158 (the same as 4.0.4), so roughly 1.5x, since JSON parsing > dominates. With a disk-backed store and less compressible logs the relative > impact should be smaller. Given the modest impact, I don’t think it needs > to block the release; SPARK-60158 is already on branch-4.0 if there is > another RC. > > On Mon, Oct 12, 2026 at 10:35 PM L. C. Hsieh <[email protected]> wrote: > >> FYI, this RC includes SPARK-59407/SPARK-59804, which made line splitting >> in the event log replay reader about 5x slower than in 4.0.4 (History >> Server UI loading and event log compaction). SPARK-60158 fixes it and is >> already on branch-4.0, but it landed after RC2 was cut. It is a performance >> regression, not a correctness issue, so I don’t consider it a blocker, but >> it would be good to pick it up if there is another RC. >> >> On Mon, Oct 12, 2026 at 11:56 AM Uroš Bojanić <[email protected]> wrote: >> >>> Please vote on releasing the following candidate as Apache Spark version >>> 4.0.5. >>> >>> The vote is open until Thu, 15 Oct 2026 12:38:20 PDT and passes if a >>> majority +1 PMC votes are cast, with >>> a minimum of 3 +1 votes. >>> >>> [ ] +1 Release this package as Apache Spark 4.0.5 >>> [ ] -1 Do not release this package because ... >>> >>> To learn more about Apache Spark, please see https://spark.apache.org/ >>> >>> The tag to be voted on is v4.0.5-rc2 (commit 51d701c09de): >>> https://github.com/apache/spark/tree/v4.0.5-rc2 >>> >>> The release files, including signatures, digests, etc. can be found at: >>> https://dist.apache.org/repos/dist/dev/spark/v4.0.5-rc2-bin/ >>> >>> Signatures used for Spark RCs can be found in this file: >>> https://downloads.apache.org/spark/KEYS >>> >>> The staging repository for this release can be found at: >>> https://repository.apache.org/content/repositories/orgapachespark-1535/ >>> >>> The documentation corresponding to this release can be found at: >>> https://dist.apache.org/repos/dist/dev/spark/v4.0.5-rc2-docs/ >>> >>> The list of bug fixes going into 4.0.5 can be found at the following URL: >>> https://issues.apache.org/jira/projects/SPARK/versions/12357251 >>> >>> FAQ >>> >>> ========================= >>> How can I help test this release? >>> ========================= >>> >>> If you are a Spark user, you can help us test this release by taking >>> an existing Spark workload and running on this release candidate, then >>> reporting any regressions. >>> >>> If you're working in PySpark you can set up a virtual env and install >>> the current RC via "pip install >>> https://dist.apache.org/repos/dist/dev/spark/v4.0.5-rc2-bin/pyspark-4.0.5.tar.gz >>> " >>> and see if anything important breaks. >>> In the Java/Scala, you can add the staging repository to your project's >>> resolvers and test >>> with the RC (make sure to clean up the artifact cache before/after so >>> you don't end up building with an out of date RC going forward). >>> >>> --------------------------------------------------------------------- >>> To unsubscribe e-mail: [email protected] >>> >>>
