+1 (non-binding) Thanks, Cheng Pan
> On Oct 14, 2026, at 07:05, Szehon Ho <[email protected]> wrote: > > +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] > <mailto:[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] >> <mailto:[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] >>> <mailto:[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] >>>> <mailto:[email protected]> >>>>
