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ASF GitHub Bot logged work on HADOOP-15245: ------------------------------------------- Author: ASF GitHub Bot Created on: 14/Mar/22 18:16 Start Date: 14/Mar/22 18:16 Worklog Time Spent: 10m Work Description: hadoop-yetus commented on pull request #3927: URL: https://github.com/apache/hadoop/pull/3927#issuecomment-1067139069 :confetti_ball: **+1 overall** | Vote | Subsystem | Runtime | Logfile | Comment | |:----:|----------:|--------:|:--------:|:-------:| | +0 :ok: | reexec | 0m 48s | | Docker mode activated. | |||| _ Prechecks _ | | +1 :green_heart: | dupname | 0m 0s | | No case conflicting files found. | | +0 :ok: | codespell | 0m 1s | | codespell was not available. | | +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. | |||| _ trunk Compile Tests _ | | +0 :ok: | mvndep | 13m 5s | | Maven dependency ordering for branch | | +1 :green_heart: | mvninstall | 22m 46s | | trunk passed | | +1 :green_heart: | compile | 22m 38s | | trunk passed with JDK Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 | | +1 :green_heart: | compile | 19m 54s | | trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 | | +1 :green_heart: | checkstyle | 3m 38s | | trunk passed | | +1 :green_heart: | mvnsite | 2m 41s | | trunk passed | | +1 :green_heart: | javadoc | 1m 54s | | trunk passed with JDK Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 | | +1 :green_heart: | javadoc | 2m 36s | | trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 | | +1 :green_heart: | spotbugs | 3m 49s | | trunk passed | | +1 :green_heart: | shadedclient | 21m 6s | | branch has no errors when building and testing our client artifacts. | |||| _ Patch Compile Tests _ | | +0 :ok: | mvndep | 0m 27s | | Maven dependency ordering for patch | | +1 :green_heart: | mvninstall | 1m 32s | | the patch passed | | +1 :green_heart: | compile | 21m 59s | | the patch passed with JDK Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 | | +1 :green_heart: | javac | 21m 59s | | the patch passed | | +1 :green_heart: | compile | 19m 53s | | the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 | | +1 :green_heart: | javac | 19m 53s | | the patch passed | | +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks issues. | | +1 :green_heart: | checkstyle | 3m 33s | | the patch passed | | +1 :green_heart: | mvnsite | 2m 39s | | the patch passed | | +1 :green_heart: | javadoc | 1m 52s | | the patch passed with JDK Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 | | +1 :green_heart: | javadoc | 2m 35s | | the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 | | +1 :green_heart: | spotbugs | 4m 9s | | the patch passed | | +1 :green_heart: | shadedclient | 21m 8s | | patch has no errors when building and testing our client artifacts. | |||| _ Other Tests _ | | +1 :green_heart: | unit | 17m 55s | | hadoop-common in the patch passed. | | +1 :green_heart: | unit | 2m 25s | | hadoop-aws in the patch passed. | | +1 :green_heart: | asflicense | 1m 0s | | The patch does not generate ASF License warnings. | | | | 219m 28s | | | | Subsystem | Report/Notes | |----------:|:-------------| | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3927/6/artifact/out/Dockerfile | | GITHUB PR | https://github.com/apache/hadoop/pull/3927 | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell | | uname | Linux a999a61c3b68 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | dev-support/bin/hadoop.sh | | git revision | trunk / 35219e7fe177e0aac1b3b68c50d34a395ef37549 | | Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 | | Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 | | Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3927/6/testReport/ | | Max. process+thread count | 1262 (vs. ulimit of 5500) | | modules | C: hadoop-common-project/hadoop-common hadoop-tools/hadoop-aws U: . | | Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3927/6/console | | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 | | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org | This message was automatically generated. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 741099) Time Spent: 2h 10m (was: 2h) > S3AInputStream.skip() to use lazy seek > -------------------------------------- > > Key: HADOOP-15245 > URL: https://issues.apache.org/jira/browse/HADOOP-15245 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/s3 > Affects Versions: 3.1.0 > Reporter: Steve Loughran > Priority: Major > Labels: pull-request-available > Time Spent: 2h 10m > Remaining Estimate: 0h > > the default skip() does a read and discard of all bytes, no matter how far > ahead the skip is. This is very inefficient if the skip() is being done on > S3A random IO, though exactly what to do when in sequential mode. > Proposed: > * add an optimized version of S3AInputStream.skip() which does a lazy seek, > which itself will decided when to skip() vs issue a new GET. > * add some more instrumentation to measure how often this gets used -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org