I’m hereby canceling the vote for Flink 1.8.0 RC4 in favour of a new RC that I will create shortly now that the blockers are resolved.
> On 1. Apr 2019, at 13:21, Till Rohrmann <till.rohrm...@gmail.com> wrote: > > Thanks for reporting this problem and opening a JIRA issue. I've created a > fix for the problem [1]. > > [1] https://github.com/apache/flink/pull/8096 > > Cheers, > Till > > On Mon, Apr 1, 2019 at 12:30 AM Richard Deurwaarder <rich...@xeli.eu> wrote: > >> Hello @Aljoscha and @Rong, >> >> I've described the problem in the mailing list[1] and on stackoverflow[2] >> before. But the gist is: If there's a firewall between the yarn cluster and >> the machine submitting the job, we need to be able to set a fixed port (or >> range of ports) for REST communication with the jobmanager. >> >> It is a regression in the sense that on 1.5 (and 1.6 I believe?) it was >> possible to work around this by using the legacy mode (non flip-6), but on >> 1.7 and now 1.8 this is not possible. >> >> I've created FLINK-12075 < >> https://issues.apache.org/jira/browse/FLINK-12075> >> for it, I have not made it blocking yet as it is not strictly a regression >> with regards to 1.7. Perhaps you guys can better determine if you want this >> added in RC5. >> >> Regards, >> >> Richard >> >> [1] >> >> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Submitting-job-to-Flink-on-yarn-timesout-on-flip-6-1-5-x-td26199.html#a26383 >> [2] https://stackoverflow.com/q/54771637/988324 >> >> On Sat, Mar 30, 2019 at 7:24 PM Rong Rong <walter...@gmail.com> wrote: >> >>> Hi @Aljoscha, >>> >>> Based on the previous commit [1] that adds the random port selection >> code, >>> it seems like the important part is to unset whatever 'rest.port' setting >>> previously done. I don't think the current way of setting the BIND_PORT >>> actually overrides any existing PORT setting. However, I wasn't able to >>> find any test that is related, maybe @Till can provide more insight here? >>> >>> Maybe @Richard can provide more detail on the YARN run command used to >>> reproduce the problem? >>> >>> Thanks, >>> Rong >>> >>> [1] >>> >>> >> https://github.com/apache/flink/commit/dbe0e8286d76a5facdb49589b638b87dbde80178#diff-487838863ab693af7008f04cb3359be3R117 >>> >>> On Sat, Mar 30, 2019 at 5:51 AM Aljoscha Krettek <aljos...@apache.org> >>> wrote: >>> >>>> @Richard Did this work for you previously? From the change, it seems >> that >>>> the port was always set to 0 on YARN even before. >>>> >>>>> On 28. Mar 2019, at 16:13, Richard Deurwaarder <rich...@xeli.eu> >>> wrote: >>>>> >>>>> -1 (non-binding) >>>>> >>>>> - Ran integration tests locally (1000+) of our flink job, all >>> succeeded. >>>>> - Attempted to run job on hadoop, failed. It failed because we have a >>>>> firewall in place and we cannot set the rest port to a specific >>> port/port >>>>> range. >>>>> Unless I am mistaken, it seems like FLINK-11081 broke the possibility >>> of >>>>> setting a REST port when running on yarn ( >>>>> >>>> >>> >> https://github.com/apache/flink/commit/730eed71ef3f718d61f85d5e94b1060844ca56db#diff-487838863ab693af7008f04cb3359be3R102 >>>>> ) >>>>> Code-wise it seems rather straightforward to fix but I am unsure >> about >>>> the >>>>> reason why this is hard-coded to 0 and what the impact would be. >>>>> >>>>> It would benefit us greatly if a fix for this could make it to 1.8.0. >>>>> >>>>> Regards, >>>>> >>>>> Richard >>>>> >>>>> On Thu, Mar 28, 2019 at 9:54 AM Tzu-Li (Gordon) Tai < >>> tzuli...@apache.org >>>>> >>>>> wrote: >>>>> >>>>>> +1 (binding) >>>>>> >>>>>> Functional checks: >>>>>> >>>>>> - Built Flink from source (`mvn clean verify`) locally, with success >>>>>> - Ran end-to-end tests locally for 5 times in a loop, no attempts >>> failed >>>>>> (Hadoop 2.8.4, Scala 2.12) >>>>>> - Manually tested state schema evolution for POJO. Besides the tests >>>> that >>>>>> @Congxian already did, additionally tested evolution cases with POJO >>>>>> subclasses + non-registered POJOs. >>>>>> - Manually tested migration of Scala stateful jobs that use case >>>> classes / >>>>>> Scala collections as state types, performing the migration across >>> Scala >>>>>> 2.11 to Scala 2.12. >>>>>> - Reviewed release announcement PR >>>>>> >>>>>> Misc / legal checks: >>>>>> >>>>>> - checked checksums and signatures >>>>>> - No binaries in source distribution >>>>>> - Staging area does not seem to have any missing artifacts >>>>>> >>>>>> Cheers, >>>>>> Gordon >>>>>> >>>>>> On Thu, Mar 28, 2019 at 4:52 PM Tzu-Li (Gordon) Tai < >>>> tzuli...@apache.org> >>>>>> wrote: >>>>>> >>>>>>> @Shaoxuan >>>>>>> >>>>>>> The drop in the serializerAvro benchmark, as explained earlier in >>>>>> previous >>>>>>> voting threads of earlier RCs, was due to a slower job >> initialization >>>>>> phase >>>>>>> caused by slower deserialization of the AvroSerializer. >>>>>>> Piotr also pointed out that after the number of records was >> increased >>>> in >>>>>>> the serializer benchmarks, this drop was no longer observable >> before >>> / >>>>>>> after the changes in mid February. >>>>>>> IMO, this is not critical as it does not affect the per-record >>>>>> performance >>>>>>> / throughput, and therefore should not block this release. >>>>>>> >>>>>>> On Thu, Mar 28, 2019 at 1:08 AM Aljoscha Krettek < >>>> aljos...@fastmail.com> >>>>>>> wrote: >>>>>>> >>>>>>>> By now, I'm reasonably sure that the test instabilities on the >>>>>> end-to-end >>>>>>>> test are only instabilities. I pushed changes to increase timeouts >>> to >>>>>> make >>>>>>>> the tests more stable. As in any project, there will always be >> bugs >>>> but >>>>>> I >>>>>>>> think we could release this RC4 and be reasonably sure that it >> works >>>>>> well. >>>>>>>> >>>>>>>> Now, we only need to have the required number of PMC votes. >>>>>>>> >>>>>>>> On Wed, Mar 27, 2019, at 07:22, Congxian Qiu wrote: >>>>>>>>> +1 （non-binding) >>>>>>>>> >>>>>>>>> • checked signature and checksum ok >>>>>>>>> • mvn clean package -DskipTests ok >>>>>>>>> • Run job on yarn ok >>>>>>>>> • Test state migration with POJO type (both heap and rocksdb) ok >>>>>>>>> • - 1.6 -> 1.8 >>>>>>>>> • - 1.7 -> 1.8 >>>>>>>>> • - 1.8 -> 1.8 >>>>>>>>> >>>>>>>>> >>>>>>>>> Best, Congxian >>>>>>>>> On Mar 27, 2019, 10:26 +0800, vino yang <yanghua1...@gmail.com>, >>>>>> wrote: >>>>>>>>>> +1 (non-binding) >>>>>>>>>> >>>>>>>>>> - checked JIRA release note >>>>>>>>>> - ran "mvn package -DskipTests" >>>>>>>>>> - checked signature and checksum >>>>>>>>>> - started a cluster locally and ran some examples in binary >>>>>>>>>> - checked web site announcement's PR >>>>>>>>>> >>>>>>>>>> Best, >>>>>>>>>> Vino >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Xiaowei Jiang <xiaow...@gmail.com> 于2019年3月26日周二 下午8:20写道： >>>>>>>>>> >>>>>>>>>>> +1 (non-binding) >>>>>>>>>>> >>>>>>>>>>> - checked checksums and GPG files >>>>>>>>>>> - build from source successfully- run end-to-end precommit >> tests >>>>>>>>>>> successfully- run end-to-end nightly tests successfully >>>>>>>>>>> Xiaowei >>>>>>>>>>> On Tuesday, March 26, 2019, 8:09:19 PM GMT+8, Yu Li < >>>>>>>> car...@gmail.com> >>>>>>>>>>> wrote: >>>>>>>>>>> >>>>>>>>>>> +1 (non-binding) >>>>>>>>>>> >>>>>>>>>>> - Checked release notes: OK >>>>>>>>>>> - Checked sums and signatures: OK >>>>>>>>>>> - Source release >>>>>>>>>>> - contains no binaries: OK >>>>>>>>>>> - contains no 1.8-SNAPSHOT references: OK >>>>>>>>>>> - build from source: OK (8u101) >>>>>>>>>>> - mvn clean verify: OK (8u101) >>>>>>>>>>> - Binary release >>>>>>>>>>> - no examples appear to be missing >>>>>>>>>>> - started a cluster; WebUI reachable, example ran successfully >>>>>>>>>>> - end-to-end test (all but K8S and docker ones): OK (8u101) >>>>>>>>>>> - Repository appears to contain all expected artifacts >>>>>>>>>>> >>>>>>>>>>> Best Regards, >>>>>>>>>>> Yu >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> On Tue, 26 Mar 2019 at 14:28, Kurt Young <ykt...@gmail.com> >>>>>> wrote: >>>>>>>>>>> >>>>>>>>>>>> +1 (non-binding) >>>>>>>>>>>> >>>>>>>>>>>> Checked items: >>>>>>>>>>>> - checked checksums and GPG files >>>>>>>>>>>> - verified that the source archives do not contains any >> binaries >>>>>>>>>>>> - checked that all POM files point to the same version >>>>>>>>>>>> - build from source successfully >>>>>>>>>>>> >>>>>>>>>>>> Best, >>>>>>>>>>>> Kurt >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> On Tue, Mar 26, 2019 at 10:57 AM Shaoxuan Wang < >>>>>>>> wshaox...@gmail.com> >>>>>>>>>>>> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> +1 (non-binding) >>>>>>>>>>>>> >>>>>>>>>>>>> I tested RC4 with the following items: >>>>>>>>>>>>> - Maven Central Repository contains all artifacts >>>>>>>>>>>>> - Built the source with Maven (ensured all source files have >>>>>>>> Apache >>>>>>>>>>>>> headers), and executed built-in tests via "mvn clean verify" >>>>>>>>>>>>> - Manually executed the tests in IntelliJ IDE >>>>>>>>>>>>> - Verify that the quickstarts for Scala and Java are working >>>>>>>> with the >>>>>>>>>>>>> staging repository in IntelliJ >>>>>>>>>>>>> - Checked the benchmark results. The perf regression of >>>>>>>>>>>>> tuple-key-by/statebackend/tumblingWindow are gone, but the >>>>>>>> regression >>>>>>>>>>> on >>>>>>>>>>>>> serializer still exists. >>>>>>>>>>>>> >>>>>>>>>>>>> Regards, >>>>>>>>>>>>> Shaoxuan >>>>>>>>>>>>> >>>>>>>>>>>>> On Tue, Mar 26, 2019 at 8:06 AM jincheng sun < >>>>>>>> sunjincheng...@gmail.com >>>>>>>>>>>> >>>>>>>>>>>>> wrote: >>>>>>>>>>>>> >>>>>>>>>>>>>> Hi Aljoscha, I think you are right, increase the timeout >>>>>>>> config will >>>>>>>>>>>> fix >>>>>>>>>>>>>> this issue. this depends on the resource of Travis. I would >>>>>>>> like >>>>>>>>>>> share >>>>>>>>>>>>>> some phenomenon during my test (not the flink problem) as >>>>>>>> follows: >>>>>>>>>>> :-) >>>>>>>>>>>>>> >>>>>>>>>>>>>> During my testing, `mvn clean verify` and `nightly >>>>>> end-to-end >>>>>>>> test ` >>>>>>>>>>>> both >>>>>>>>>>>>>> consume a lot of machine resources (especially >>>>>>>> memory/network), and >>>>>>>>>>> the >>>>>>>>>>>>>> network bandwidth requirements of `nightly end-to-end test ` >>>>>>>> are also >>>>>>>>>>>>> very >>>>>>>>>>>>>> high. In China, need to use VPN acceleration (100~200Kb >>>>>> before >>>>>>>>>>>>>> acceleration, 3~4Mb after acceleration), I have encountered: >>>>>>>> [Avro >>>>>>>>>>>>>> Confluent Schema Registry nightly end-to-end test' failed >>>>>>>> after 18 >>>>>>>>>>>>> minutes >>>>>>>>>>>>>> and 15 seconds! Test exited with exit Code 1] takes more >>>>>> than >>>>>>>> 18 >>>>>>>>>>>> minutes, >>>>>>>>>>>>>> the download failed because the network bandwidth is not >>>>>>>> enough. and >>>>>>>>>>> it >>>>>>>>>>>>>> runs smoothly when using VPN acceleration. The overall >>>>>>>> end-to-end run >>>>>>>>>>>> was >>>>>>>>>>>>>> passed twice. The Docker resource configuration (CUPs 7, >>>>>> Mem: >>>>>>>> 28.7G, >>>>>>>>>>>>> Swap: >>>>>>>>>>>>>> 3.5G). See detail log here >>>>>>>>>>>>>> < >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>> >>>>>> >>>> >>> >> https://docs.google.com/document/d/1CcyTCyZmMmP57pkKv4drjSuxW61_u78HR3q1fJJODMw/edit?usp=sharing >>>>>>>>>>>>>>> >>>>>>>>>>>>>> . >>>>>>>>>>>>>> >>>>>>>>>>>>>> Just now, I had checked the Travis for your last commit >>>>>>>> (Increase >>>>>>>>>>>> startup >>>>>>>>>>>>>> timeout in end-to-end tests), in addition to the Cleanup >>>>>>>> phase, other >>>>>>>>>>>>>> phases are successful. here >>>>>>>>>>>>>> <https://travis-ci.org/apache/flink/builds/511071777> >>>>>>>>>>>>>> >>>>>>>>>>>>>> In order to verify that our speculation is accurate, I can >>>>>>>> help with >>>>>>>>>>> 10 >>>>>>>>>>>>> and >>>>>>>>>>>>>> 20 seconds timeout config on my repo verification to see if >>>>>>>> 100% >>>>>>>>>>>>> recurring >>>>>>>>>>>>>> timeout problem. It is already running, we are waiting for >>>>>> the >>>>>>>>>>> result. >>>>>>>>>>>>>> 10seconds < >>>>>>>>>>> https://travis-ci.org/sunjincheng121/flink/builds/511235749 >>>>>>>>>>>>> >>>>>>>>>>>>>> 20seconds < >>>>>>>>>>> https://travis-ci.org/sunjincheng121/flink/builds/511235598 >>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> Best, >>>>>>>>>>>>>> Jincheng >>>>>>>>>>>>>> >>>>>>>>>>>>>> Aljoscha Krettek <aljos...@apache.org> 于2019年3月26日周二 >>>>>>>> 上午1:04写道： >>>>>>>>>>>>>> >>>>>>>>>>>>>>> Thanks for the testing done so far! >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> There has been quite some flakiness on Travis lately, see >>>>>>>> here: >>>>>>>>>>>>>>> https://travis-ci.org/apache/flink/branches < >>>>>>>>>>>>>>> https://travis-ci.org/apache/flink/branches>. I’m a bit >>>>>>>> hesitant >>>>>>>>>>> to >>>>>>>>>>>>>>> release in this state. Looking at the tests you can see >>>>>>>> that all of >>>>>>>>>>>> the >>>>>>>>>>>>>>> end-to-end tests fail because waiting for the dispatcher >>>>>> to >>>>>>>> come up >>>>>>>>>>>>> times >>>>>>>>>>>>>>> out. I also noticed that this usually takes about 5-8 >>>>>>>> seconds on >>>>>>>>>>>>> Travis, >>>>>>>>>>>>>> so >>>>>>>>>>>>>>> a 10 second timeout might be a bit low. I pushed commits >>>>>> to >>>>>>>>>>> increase >>>>>>>>>>>>> that >>>>>>>>>>>>>>> to 20 secs. Let’s see what will happen. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> I’ll keep you posted! >>>>>>>>>>>>>>> Aljoscha >>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> On 25. Mar 2019, at 13:13, jincheng sun < >>>>>>>>>>> sunjincheng...@gmail.com> >>>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Great thanks for preparing the RC4 of Flink 1.8.0, >>>>>>>> Aljoscha! >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> +1 (non-binding) >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> I checked the functional things as follows(Without >>>>>>>> performance >>>>>>>>>>>>>>>> verification): >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 1. Checking Artifacts： >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 1). Download the release source code - SUCCESS >>>>>>>>>>>>>>>> 2). Check Source release flink-1.8.0-src.tgz.sha512 - >>>>>>>> SUCCESS >>>>>>>>>>>>>>>> 3). Download the released JAR - SUCCESS >>>>>>>>>>>>>>>> 4). Check if checksums and GPG files match the >>>>>>>> corresponding >>>>>>>>>>>>> release >>>>>>>>>>>>>>>> files - SUCCESS. >>>>>>>>>>>>>>>> 5). Verify that the source archives do not contain any >>>>>>>>>>> binaries >>>>>>>>>>>> - >>>>>>>>>>>>>>>> SUCCESS. >>>>>>>>>>>>>>>> 6). Build the source with `mvn clean verify -DskipTests` >>>>>>>> to >>>>>>>>>>>> ensure >>>>>>>>>>>>>> all >>>>>>>>>>>>>>>> source files have Apache headers - SUCCESS >>>>>>>>>>>>>>>> 7). Check that all POM files point to the same version - >>>>>>>>>>> SUCCESS >>>>>>>>>>>>>>>> 8). Read the `README.md` file to ensure there is nothing >>>>>>>>>>>>> unexpected >>>>>>>>>>>>>> - >>>>>>>>>>>>>>>> SUCCESS >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 2. Testing Larger Setups >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Cluster Environment：7 nodes, jm 1024m, tm 4096m >>>>>>>>>>>>>>>> Testing Jobs: WordCount(Batch&Streaming), >>>>>>>>>>>>>> DataStreamAllroundTestProgram >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 1). Use local&hdfs file systems for checkpoints - >>>>>> SUCCESS >>>>>>>>>>>>>>>> 2). Use hdfs file systems for input/output -SUCCESS >>>>>>>>>>>>>>>> 3). Run examples on YARN(with or without session) - >>>>>>>> SUCCESS >>>>>>>>>>>>>>>> 4). Test failover and recovery. - SUCCESS >>>>>>>>>>>>>>>> 5). Test incremental&non-incremental checkpoint - >>>>>> SUCCESS >>>>>>>>>>>>>>>> 6). Test connector - kafka -SUCCESS >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 3. Testing Functionality >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 1). Built-in tests(linux&mac os) >>>>>>>>>>>>>>>> - `mvn cealn verify` (some test timeout error and test >>>>>>>> case >>>>>>>>>>>> bug >>>>>>>>>>>>>> see >>>>>>>>>>>>>>>> FLINK-12001 < >>>>>>>> https://issues.apache.org/jira/browse/FLINK-12001>, >>>>>>>>>>>> all >>>>>>>>>>>>>> of >>>>>>>>>>>>>>>> them are not the blocker) >>>>>>>>>>>>>>>> - build for scala 2.11（mvn clean install -P scala-2.11 >>>>>>>>>>>>>> -DskipTests） >>>>>>>>>>>>>>>> - SUCCESS >>>>>>>>>>>>>>>> - Run the scripted nightly end-to-end test - SUCCESS >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 2). Quickstarts >>>>>>>>>>>>>>>> - Verify that the quickstarts for Scala with the staging >>>>>>>>>>>>>> repository >>>>>>>>>>>>>>>> in IntelliJ - SUCCESS >>>>>>>>>>>>>>>> - Verify that the quickstarts for Java with the staging >>>>>>>>>>>>> repository >>>>>>>>>>>>>>> in >>>>>>>>>>>>>>>> IntelliJ - SUCCESS >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 3). Simple Starter Experience and Use Cases >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> - run all examples from IntelliJ IDE - SUCCESS >>>>>>>>>>>>>>>> - Start a local cluster and verify that the processes - >>>>>>>>>>>> SUCCESS >>>>>>>>>>>>>>>> a. Examine the *.out files (should be empty) and the log >>>>>>>>>>>> files >>>>>>>>>>>>>>>> (should contain no exceptions) >>>>>>>>>>>>>>>> b. Test for Linux, MacOS >>>>>>>>>>>>>>>> c. Shutdown and verify there are no exceptions in the >>>>>> log >>>>>>>>>>>>> output >>>>>>>>>>>>>>>> (after shutdown) >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> - Verify that the examples are running from both >>>>>>>> ./bin/flink >>>>>>>>>>>> and >>>>>>>>>>>>>>> from >>>>>>>>>>>>>>>> the web-based job submission tool(following items) - >>>>>>>> SUCCESS >>>>>>>>>>>>>>>> a. Start multiple task managers in the local cluster >>>>>>>>>>>>>>>> b. Change the flink-conf.yml to define more than one >>>>>> task >>>>>>>>>>>> slot >>>>>>>>>>>>>> (2) >>>>>>>>>>>>>>>> c. Run the examples with a parallelism > 1 >>>>>>>>>>>>>>>> d. Examine the log output - no error messages should be >>>>>>>>>>>>>>> encountered >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 4. Review the PR >>>>>>>>>>>>>>>> - [Add 1.8 Release Blog Post] - Just a reminder, updated >>>>>>>> the >>>>>>>>>>>>>> release >>>>>>>>>>>>>>>> date to correct date before merging. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Cheers, >>>>>>>>>>>>>>>> Jincheng >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Piotr Nowojski <pi...@ververica.com> 于2019年3月25日周一 >>>>>>>> 下午4:11写道： >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> +1 from my side. Previously spotted performance >>>>>>>> regression seems >>>>>>>>>>>> to >>>>>>>>>>>>> be >>>>>>>>>>>>>>>>> gone, or mostly gone. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Piotrek >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> On 21 Mar 2019, at 17:52, Aljoscha Krettek < >>>>>>>>>>> aljos...@apache.org> >>>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Hi everyone, >>>>>>>>>>>>>>>>>> Please review and vote on the release candidate 4 >>>>>> for >>>>>>>> Flink >>>>>>>>>>>> 1.8.0, >>>>>>>>>>>>> as >>>>>>>>>>>>>>>>> follows: >>>>>>>>>>>>>>>>>> [ ] +1, Approve the release >>>>>>>>>>>>>>>>>> [ ] -1, Do not approve the release (please provide >>>>>>>> specific >>>>>>>>>>>>> comments) >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> The complete staging area is available for your >>>>>>>> review, which >>>>>>>>>>>>>> includes: >>>>>>>>>>>>>>>>>> * JIRA release notes [1], >>>>>>>>>>>>>>>>>> * the official Apache source release and binary >>>>>>>> convenience >>>>>>>>>>>>> releases >>>>>>>>>>>>>> to >>>>>>>>>>>>>>>>> be deployed to dist.apache.org [2], which are signed >>>>>>>> with the >>>>>>>>>>> key >>>>>>>>>>>>>> with >>>>>>>>>>>>>>>>> fingerprint F2A67A8047499BBB3908D17AA8F4FD97121D7293 >>>>>>>> [3], >>>>>>>>>>>>>>>>>> * all artifacts to be deployed to the Maven Central >>>>>>>> Repository >>>>>>>>>>>> [4], >>>>>>>>>>>>>>>>>> * source code tag "release-1.8.0-rc4" [5], >>>>>>>>>>>>>>>>>> * website pull request listing the new release [6] >>>>>>>>>>>>>>>>>> * website pull request adding announcement blog post >>>>>>>> [7]. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> The vote will be open for at least 72 hours. It is >>>>>>>> adopted by >>>>>>>>>>>>>> majority >>>>>>>>>>>>>>>>> approval, with at least 3 PMC affirmative votes. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Thanks, >>>>>>>>>>>>>>>>>> Aljoscha >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> [1] >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>> >>>>>> >>>> >>> >> https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12315522&version=12344274 >>>>>>>>>>>>>>>>>> [2] >>>>>>>>>>>> https://dist.apache.org/repos/dist/dev/flink/flink-1.8.0-rc4/ >>>>>>>>>>>>>>>>>> [3] >>>>>>>> https://dist.apache.org/repos/dist/release/flink/KEYS >>>>>>>>>>>>>>>>>> [4] >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>> >>>>>>>> >>>> https://repository.apache.org/content/repositories/orgapacheflink-1215 >>>>>>>>>>>>>>>>>> [5] >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>> >>>>>> >>>> >>> >> https://gitbox.apache.org/repos/asf?p=flink.git;a=tag;h=c650befc10c8bb6cc4b007ae250b7b2173046145 >>>>>>>>>>>>>>>>>> [6] https://github.com/apache/flink-web/pull/180 < >>>>>>>>>>>>>>>>> https://github.com/apache/flink-web/pull/180> >>>>>>>>>>>>>>>>>> [7] https://github.com/apache/flink-web/pull/179 < >>>>>>>>>>>>>>>>> https://github.com/apache/flink-web/pull/179> >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> P.S. The difference to the previous RCs is small, >>>>>> you >>>>>>>> can fetch >>>>>>>>>>>> the >>>>>>>>>>>>>>> tags >>>>>>>>>>>>>>>>> and do a "git log >>>>>> release-1.8.0-rc1..release-1.8.0-rc4” >>>>>>>> to see >>>>>>>>>>> the >>>>>>>>>>>>>>>>> difference in commits. Its fixes for the issues that >>>>>>>> led to the >>>>>>>>>>>>>>>>> cancellation of the previous RCs plus smaller fixes. >>>>>>>> Most >>>>>>>>>>>>>>>>> verification/testing that was carried out should apply >>>>>>>> as is to >>>>>>>>>>>> this >>>>>>>>>>>>>> RC. >>>>>>>>>>>>>>>>> Any functional verification that you did on previous >>>>>>>> RCs should >>>>>>>>>>>>>>> therefore >>>>>>>>>>>>>>>>> easily carry over to this one. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>> >>>> >>> >>
