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  1. Hadoop HDFS
  2. HDFS-12351

Explicitly describe the minimal number of DataNodes required to support an EC policy in EC document.

Details

    • Improvement
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 3.0.0-alpha3
    • 3.1.0
    • None
    • Reviewed

    Description

      Should explicitly call out the minimal number of DataNodes (ie.. 5 for RS(3,2)) in EC document, to make it easy to understand for non-storage people.

      Attachments

        1. HDFS-12351.001.patch
          0.8 kB
          Hanisha Koneru

        Activity

          hanishakoneru Hanisha Koneru added a comment -

          Hi eddyxu, are you planning to work on this? If not, I would like to take it up.

          hanishakoneru Hanisha Koneru added a comment - Hi eddyxu , are you planning to work on this? If not, I would like to take it up.
          eddyxu Lei (Eddy) Xu added a comment -

          hanishakoneru Sure, please do.

          eddyxu Lei (Eddy) Xu added a comment - hanishakoneru Sure, please do.
          hadoopqa Hadoop QA added a comment -
          +1 overall



          Vote Subsystem Runtime Comment
          0 reexec 0m 21s Docker mode activated.
                Prechecks
          +1 @author 0m 0s The patch does not contain any @author tags.
                trunk Compile Tests
          +1 mvninstall 19m 50s trunk passed
          +1 mvnsite 1m 8s trunk passed
          +1 shadedclient 31m 46s branch has no errors when building and testing our client artifacts.
                Patch Compile Tests
          +1 mvnsite 1m 8s the patch passed
          +1 whitespace 0m 0s The patch has no whitespace issues.
          +1 shadedclient 11m 43s patch has no errors when building and testing our client artifacts.
                Other Tests
          +1 asflicense 0m 23s The patch does not generate ASF License warnings.
          45m 48s



          Subsystem Report/Notes
          Docker Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639
          JIRA Issue HDFS-12351
          JIRA Patch URL https://issues.apache.org/jira/secure/attachment/12897125/HDFS-12351.001.patch
          Optional Tests asflicense mvnsite
          uname Linux dc4dbb43c938 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 12:48:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
          Build tool maven
          Personality /testptch/patchprocess/precommit/personality/provided.sh
          git revision trunk / 8a1bd9a
          maven version: Apache Maven 3.3.9
          Max. process+thread count 328 (vs. ulimit of 5000)
          modules C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs
          Console output https://builds.apache.org/job/PreCommit-HDFS-Build/22046/console
          Powered by Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org

          This message was automatically generated.

          hadoopqa Hadoop QA added a comment - +1 overall Vote Subsystem Runtime Comment 0 reexec 0m 21s Docker mode activated.       Prechecks +1 @author 0m 0s The patch does not contain any @author tags.       trunk Compile Tests +1 mvninstall 19m 50s trunk passed +1 mvnsite 1m 8s trunk passed +1 shadedclient 31m 46s branch has no errors when building and testing our client artifacts.       Patch Compile Tests +1 mvnsite 1m 8s the patch passed +1 whitespace 0m 0s The patch has no whitespace issues. +1 shadedclient 11m 43s patch has no errors when building and testing our client artifacts.       Other Tests +1 asflicense 0m 23s The patch does not generate ASF License warnings. 45m 48s Subsystem Report/Notes Docker Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 JIRA Issue HDFS-12351 JIRA Patch URL https://issues.apache.org/jira/secure/attachment/12897125/HDFS-12351.001.patch Optional Tests asflicense mvnsite uname Linux dc4dbb43c938 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 12:48:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux Build tool maven Personality /testptch/patchprocess/precommit/personality/provided.sh git revision trunk / 8a1bd9a maven version: Apache Maven 3.3.9 Max. process+thread count 328 (vs. ulimit of 5000) modules C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs Console output https://builds.apache.org/job/PreCommit-HDFS-Build/22046/console Powered by Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org This message was automatically generated.
          arp Arpit Agarwal added a comment -

          +1 from me.

          eddyxu, do you have any comments on the doc text?

          arp Arpit Agarwal added a comment - +1 from me. eddyxu , do you have any comments on the doc text?
          eddyxu Lei (Eddy) Xu added a comment -

          It LGTM, thanks hanishakoneru and arpitagarwal!

          eddyxu Lei (Eddy) Xu added a comment - It LGTM, thanks hanishakoneru and arpitagarwal !
          arp Arpit Agarwal added a comment -

          Committed to trunk. Thanks eddyxu and thanks for the contribution hanishakoneru.

          arp Arpit Agarwal added a comment - Committed to trunk. Thanks eddyxu and thanks for the contribution hanishakoneru .
          hudson Hudson added a comment -

          SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13432 (See https://builds.apache.org/job/Hadoop-trunk-Commit/13432/)
          HDFS-12351. Explicitly describe the minimal number of DataNodes required (arp: rev b4d11337c9271f29dd403d2393812f2ab6f35b35)

          • (edit) hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSErasureCoding.md
          hudson Hudson added a comment - SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13432 (See https://builds.apache.org/job/Hadoop-trunk-Commit/13432/ ) HDFS-12351 . Explicitly describe the minimal number of DataNodes required (arp: rev b4d11337c9271f29dd403d2393812f2ab6f35b35) (edit) hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSErasureCoding.md

          People

            hanishakoneru Hanisha Koneru
            eddyxu Lei (Eddy) Xu
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            Dates

              Created:
              Updated:
              Resolved: