TestCopyTable fails for me consistently, and it also fails on the
flaky bashboard.

Not sure if this is a just a test issue or something in our MR module
is broken...

Umesh Kumar Kumawat <[email protected]> 于2026年8月6日周四 17:26写道:
>
>   +1 (non-binding)
>
>   I checked:
>
>
>   - Signature: OK
>
>   - Checksum: OK
>
>   - LICENSE and NOTICE: In place
>
>   - Rat check (17.0.14): OK
>
>     - mvn clean apache-rat:check
>
>   - Build from source (17.0.14): OK
>
>     - mvn clean install -DskipTests -Dhadoop.profile=3.0
>
>   - JUnit tests: OK
>
>     - mvn test -P runAllTests -Dhadoop.profile=3.0
> -Dsurefire.testFailureIgnore=true
>
>   -Dsurefire.rerunFailingTestsCount=5
>
>     - Tests run: 9,463, Failures: 0, Errors: 0, Skipped: 64, Flaky: 11
> (passed on rerun)
>
>     - TestMemStoreLAB: OOM with default 2.2g surefire heap on Apple Silicon
> (M-series).
>
>   Passes with -Dsurefire.Xmx=13g. Root cause: testLABChunkQueue uses a fixed
>
>   1-second time window with 10 threads allocating 256KB chunks in a tight
> loop.
>
>   Off-pool chunk creation in ChunkCreator is unbounded. On fast hardware
> (Apple Silicon),
>
>   ~50,000 chunks get allocated in 1 second (~12.5GB), exceeding heap.
>
>   On slower x86 CI machines, fewer chunks are allocated and it fits in 2.2g.
>
>   Not a code defect — hardware-speed-dependent. Suggest JIRA to add an
> iteration
> cap (e.g., 5000 total allocations
>
>   across all threads / based on total heap) to make memory usage
> deterministic regardless of CPU speed.
>
>     - TestCustomSaslAuthenticationProvider*: Requires Kerberos KDC,
> environment-only.
>
>     - TestMergesSplitsAddToTracker: Intermittent timeout, flaky.
>
>
>   Started a mini cluster in standalone mode, succeeded.
>
>   Check logs and web pages, it looks good.
>
>
>   Ran these shell commands, looks fine.
>
>   create 'test', 'cf'
>
>   list 'test'
>
>   describe 'test'
>
>   put 'test', 'row1', 'cf:a', 'value1'
>
>   put 'test', 'row2', 'cf:b', 'value2'
>
>   put 'test', 'row3', 'cf:c', 'value3'
>
>   scan 'test'
>
>   get 'test', 'row1'
>
>   flush 'test'
>
>   major_compact 'test'
>
>   scan 'test'
>
>   disable 'test'
>
>   enable 'test'
>
>   disable 'test'
>
>   drop 'test'
>
>
>   Run PerformanceEvaluation, all passed.
>
>   ./bin/hbase pe --rows=10000 randomWrite 1
>
>   ./bin/hbase pe --rows=10000 sequentialWrite 1
>
>   ./bin/hbase pe --rows=10000 randomRead 1
>
>   ./bin/hbase pe --rows=10000 scanRange 1
>
>
>   Run IntegrationTestBigLinkedList, passed.
>
>   ./bin/hbase org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList
> generator 25000000
>
>   ./bin/hbase org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList
> verify
>
>   - 25,000,000 nodes generated, 0 bad references, 0 undefined nodes.
>
>
> Thanks
>
> On Tue, Aug 4, 2026 at 11:47 PM Nick Dimiduk <[email protected]> wrote:
>
> > +1
> >
> >         * Signature: ok
> >         * Checksum : ok
> >         * Rat check (1.8.0_502): ok
> >          - mvn clean apache-rat:check -D skipTests=true
> >         * Rat check (17.0.20): ok
> >          - mvn clean apache-rat:check -D skipTests=true -D
> > hadoop.profile=3.0
> >         * Built from source (1.8.0_502): ok
> >          - mvn clean install -D skipTests=true -DskipTests
> >         * Built from source (17.0.20): ok
> >          - mvn clean install -D skipTests=true -D hadoop.profile=3.0
> > -DskipTests
> >
> >
> > On Fri, Jul 31, 2026 at 5:17 PM Andrew Purtell <[email protected]>
> > wrote:
> >
> > > Please vote on this Apache HBase release candidate, HBase 2.5.16RC0
> > >
> > > The VOTE will remain open for at least 72 hours.
> > >
> > > [ ] +1 Release this package as Apache HBase 2.5.16
> > > [ ] -1 Do not release this package because ...
> > >
> > > The tag to be voted on is 2.5.16RC0:
> > >
> > >   https://github.com/apache/hbase/tree/2.5.16RC0
> > >
> > > This tag currently points to git reference
> > >
> > >   be71107d51a471d4c9b40ddd52f5e5b64ed6b6ea
> > >
> > > The release files, including signatures, digests, as well as CHANGES.md
> > > and RELEASENOTES.md included in this RC can be found at:
> > >
> > >   https://dist.apache.org/repos/dist/dev/hbase/2.5.16RC0/
> > >
> > > Maven artifacts are available in a staging repository at:
> > >
> > >
> > https://repository.apache.org/content/repositories/orgapachehbase-1623/
> > >
> > > Maven artifacts for hadoop3 are available in a staging repository at:
> > >
> > >
> > https://repository.apache.org/content/repositories/orgapachehbase-1624/
> > >
> > > Artifacts were signed with the 0xD5365CCD key which can be found in:
> > >
> > >   https://downloads.apache.org/hbase/KEYS
> > >
> > > To learn more about Apache hbase, please see
> > >
> > >   http://hbase.apache.org/
> > >
> > > Thanks,
> > > Your HBase Release Manager
> > >
> >

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