[ 
https://issues.apache.org/jira/browse/HDDS-1569?focusedWorklogId=315031&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-315031
 ]

ASF GitHub Bot logged work on HDDS-1569:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 19/Sep/19 13:05
            Start Date: 19/Sep/19 13:05
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on issue #1431: HDDS-1569 
Support creating multiple pipelines with same datanode
URL: https://github.com/apache/hadoop/pull/1431#issuecomment-533121382
 
 
   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | 0 | reexec | 2739 | Docker mode activated. |
   ||| _ Prechecks _ |
   | +1 | dupname | 2 | No case conflicting files found. |
   | +1 | @author | 0 | The patch does not contain any @author tags. |
   | +1 | test4tests | 0 | The patch appears to include 26 new or modified test 
files. |
   ||| _ HDDS-1564 Compile Tests _ |
   | 0 | mvndep | 69 | Maven dependency ordering for branch |
   | +1 | mvninstall | 735 | HDDS-1564 passed |
   | +1 | compile | 450 | HDDS-1564 passed |
   | +1 | checkstyle | 86 | HDDS-1564 passed |
   | +1 | mvnsite | 0 | HDDS-1564 passed |
   | +1 | shadedclient | 1056 | branch has no errors when building and testing 
our client artifacts. |
   | +1 | javadoc | 198 | HDDS-1564 passed |
   | 0 | spotbugs | 527 | Used deprecated FindBugs config; considering 
switching to SpotBugs. |
   | +1 | findbugs | 761 | HDDS-1564 passed |
   ||| _ Patch Compile Tests _ |
   | 0 | mvndep | 39 | Maven dependency ordering for patch |
   | +1 | mvninstall | 682 | the patch passed |
   | +1 | compile | 451 | the patch passed |
   | +1 | javac | 451 | the patch passed |
   | +1 | checkstyle | 90 | the patch passed |
   | +1 | mvnsite | 0 | the patch passed |
   | +1 | whitespace | 0 | The patch has no whitespace issues. |
   | +1 | shadedclient | 813 | patch has no errors when building and testing 
our client artifacts. |
   | +1 | javadoc | 192 | the patch passed |
   | +1 | findbugs | 780 | the patch passed |
   ||| _ Other Tests _ |
   | +1 | unit | 330 | hadoop-hdds in the patch passed. |
   | -1 | unit | 4231 | hadoop-ozone in the patch failed. |
   | +1 | asflicense | 98 | The patch does not generate ASF License warnings. |
   | | | 13973 | |
   
   
   | Reason | Tests |
   |-------:|:------|
   | Failed junit tests | 
hadoop.ozone.client.rpc.TestCloseContainerHandlingByClient |
   |   | hadoop.ozone.client.rpc.TestBlockOutputStream |
   |   | hadoop.ozone.client.rpc.TestWatchForCommit |
   |   | hadoop.hdds.scm.pipeline.TestSCMPipelineManager |
   |   | hadoop.ozone.client.rpc.TestKeyInputStream |
   |   | hadoop.hdds.scm.pipeline.TestRatisPipelineProvider |
   |   | hadoop.ozone.client.rpc.TestContainerStateMachineFailures |
   |   | hadoop.ozone.client.rpc.TestSecureOzoneRpcClient |
   |   | hadoop.ozone.client.rpc.Test2WayCommitInRatis |
   |   | hadoop.ozone.client.rpc.TestOzoneAtRestEncryption |
   |   | hadoop.ozone.TestStorageContainerManager |
   |   | hadoop.hdds.scm.safemode.TestSCMSafeModeWithPipelineRules |
   |   | hadoop.hdds.scm.pipeline.TestSCMRestart |
   |   | hadoop.hdds.scm.pipeline.TestRatisPipelineCreateAndDestroy |
   |   | hadoop.ozone.client.rpc.TestBlockOutputStreamWithFailures |
   |   | hadoop.hdds.scm.pipeline.TestNodeFailure |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | Client=19.03.1 Server=19.03.1 base: 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1431/3/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/1431 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient findbugs checkstyle |
   | uname | Linux cf162ac69e58 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 
11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | personality/hadoop.sh |
   | git revision | HDDS-1564 / 326b5ac |
   | Default Java | 1.8.0_222 |
   | unit | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1431/3/artifact/out/patch-unit-hadoop-ozone.txt
 |
   |  Test Results | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1431/3/testReport/ |
   | Max. process+thread count | 5410 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdds/server-scm hadoop-ozone/integration-test U: . |
   | Console output | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1431/3/console |
   | versions | git=2.7.4 maven=3.3.9 findbugs=3.1.0-RC1 |
   | Powered by | Apache Yetus 0.10.0 http://yetus.apache.org |
   
   
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 315031)
    Time Spent: 50m  (was: 40m)

> Add ability to SCM for creating multiple pipelines with same datanode
> ---------------------------------------------------------------------
>
>                 Key: HDDS-1569
>                 URL: https://issues.apache.org/jira/browse/HDDS-1569
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: SCM
>            Reporter: Siddharth Wagle
>            Assignee: Li Cheng
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> - Refactor _RatisPipelineProvider.create()_ to be able to create pipelines 
> with datanodes that are not a part of sufficient pipelines
> - Define soft and hard upper bounds for pipeline membership
> - Create SCMAllocationManager that can be leveraged to get a candidate set of 
> datanodes based on placement policies
> - Add the datanodes to internal datastructures



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