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TEZ-4245: Optimise split grouping when locality information is set to…
https://issues.apache.org/jira/browse/TEZ-4245
Split information without any locality information (localhost/null/empty) should be treated equally, so that split grouping can do meaningful grouping based on cluster size. This is to avoid creating small split groups, which can significantly increase runtime due to sequential processing (i.e same map task getting lots of inputs and system ends up spending time in open/seek/close on objectstores).
:confetti_ball: +1 overall
| Vote | Subsystem | Runtime | Comment |
|---|---|---|---|
| +0 :ok: | reexec | 17m 11s | Docker mode activated. |
| _ Prechecks _ | |||
| +1 :green_heart: | dupname | 0m 0s | No case conflicting files found. |
| +1 :green_heart: | @author | 0m 0s | The patch does not contain any @author tags. |
| +1 :green_heart: | test4tests | 0m 0s | The patch appears to include 1 new or modified test files. |
| _ master Compile Tests _ | |||
| +1 :green_heart: | mvninstall | 13m 20s | master passed |
| +1 :green_heart: | compile | 0m 29s | master passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | compile | 0m 27s | master passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | checkstyle | 0m 57s | master passed |
| +1 :green_heart: | javadoc | 0m 39s | master passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 0m 25s | master passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +0 :ok: | spotbugs | 1m 23s | Used deprecated FindBugs config; considering switching to SpotBugs. |
| +1 :green_heart: | findbugs | 1m 19s | master passed |
| _ Patch Compile Tests _ | |||
| +1 :green_heart: | mvninstall | 0m 25s | the patch passed |
| +1 :green_heart: | compile | 0m 25s | the patch passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javac | 0m 25s | the patch passed |
| +1 :green_heart: | compile | 0m 23s | the patch passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | javac | 0m 23s | the patch passed |
| +1 :green_heart: | checkstyle | 0m 15s | the patch passed |
| +1 :green_heart: | whitespace | 0m 0s | The patch has no whitespace issues. |
| +1 :green_heart: | javadoc | 0m 22s | the patch passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 0m 20s | the patch passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | findbugs | 1m 0s | the patch passed |
| _ Other Tests _ | |||
| +1 :green_heart: | unit | 1m 32s | tez-mapreduce in the patch passed. |
| +1 :green_heart: | asflicense | 0m 13s | The patch does not generate ASF License warnings. |
| 40m 37s |
| Subsystem | Report/Notes |
|---|---|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-78/1/artifact/out/Dockerfile |
| GITHUB PR | https://github.com/apache/tez/pull/78 |
| JIRA Issue | TEZ-4245 |
| Optional Tests | dupname asflicense javac javadoc unit spotbugs findbugs checkstyle compile |
| uname | Linux 56b2059ccbd2 4.15.0-147-generic #151-Ubuntu SMP Fri Jun 18 19:21:19 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/tez.sh |
| git revision | master / c875b8216 |
| Default Java | Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| Test Results | https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-78/1/testReport/ |
| Max. process+thread count | 210 (vs. ulimit of 5500) |
| modules | C: tez-mapreduce U: tez-mapreduce |
| Console output | https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-78/1/console |
| versions | git=2.25.1 maven=3.6.3 findbugs=3.0.1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
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