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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HDDS-1827) Load Snapshot info when OM Ratis server starts
Date Thu, 15 Aug 2019 21:25:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1827?focusedWorklogId=295770&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-295770
]

ASF GitHub Bot logged work on HDDS-1827:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/Aug/19 21:24
            Start Date: 15/Aug/19 21:24
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on issue #1130: HDDS-1827. Load Snapshot info
when OM Ratis server starts.
URL: https://github.com/apache/hadoop/pull/1130#issuecomment-521802948
 
 
   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | 0 | reexec | 71 | Docker mode activated. |
   ||| _ Prechecks _ |
   | +1 | dupname | 0 | No case conflicting files found. |
   | +1 | @author | 0 | The patch does not contain any @author tags. |
   | +1 | test4tests | 0 | The patch appears to include 5 new or modified test files. |
   ||| _ trunk Compile Tests _ |
   | 0 | mvndep | 28 | Maven dependency ordering for branch |
   | +1 | mvninstall | 596 | trunk passed |
   | +1 | compile | 359 | trunk passed |
   | +1 | checkstyle | 62 | trunk passed |
   | +1 | mvnsite | 0 | trunk passed |
   | +1 | shadedclient | 793 | branch has no errors when building and testing our client artifacts.
|
   | +1 | javadoc | 149 | trunk passed |
   | 0 | spotbugs | 416 | Used deprecated FindBugs config; considering switching to SpotBugs.
|
   | +1 | findbugs | 608 | trunk passed |
   ||| _ Patch Compile Tests _ |
   | 0 | mvndep | 17 | Maven dependency ordering for patch |
   | +1 | mvninstall | 533 | the patch passed |
   | +1 | compile | 348 | the patch passed |
   | +1 | javac | 348 | the patch passed |
   | -0 | checkstyle | 35 | hadoop-ozone: The patch generated 7 new + 0 unchanged - 0 fixed
= 7 total (was 0) |
   | +1 | mvnsite | 0 | the patch passed |
   | +1 | whitespace | 0 | The patch has no whitespace issues. |
   | +1 | shadedclient | 676 | patch has no errors when building and testing our client artifacts.
|
   | -1 | javadoc | 88 | hadoop-ozone generated 1 new + 20 unchanged - 0 fixed = 21 total
(was 20) |
   | -1 | findbugs | 450 | hadoop-ozone generated 4 new + 0 unchanged - 0 fixed = 4 total
(was 0) |
   ||| _ Other Tests _ |
   | +1 | unit | 412 | hadoop-hdds in the patch passed. |
   | -1 | unit | 3714 | hadoop-ozone in the patch failed. |
   | +1 | asflicense | 41 | The patch does not generate ASF License warnings. |
   | | | 9439 | |
   
   
   | Reason | Tests |
   |-------:|:------|
   | FindBugs | module:hadoop-ozone |
   |  |  Found reliance on default encoding in org.apache.hadoop.ozone.om.ratis.OMRatisSnapshotInfo.loadRatisSnapshotIndex():in
org.apache.hadoop.ozone.om.ratis.OMRatisSnapshotInfo.loadRatisSnapshotIndex(): new java.io.FileReader(File)
 At OMRatisSnapshotInfo.java:[line 82] |
   |  |  Found reliance on default encoding in org.apache.hadoop.ozone.om.ratis.OMRatisSnapshotInfo.saveRatisSnapshotToDisk(long):in
org.apache.hadoop.ozone.om.ratis.OMRatisSnapshotInfo.saveRatisSnapshotToDisk(long): new java.io.FileWriter(File)
 At OMRatisSnapshotInfo.java:[line 104] |
   |  |  Dereference of the result of readLine() without nullcheck in org.apache.hadoop.ozone.om.ratis.OMRatisSnapshotInfo.loadRatisSnapshotIndex()
 At OMRatisSnapshotInfo.java:readLine() without nullcheck in org.apache.hadoop.ozone.om.ratis.OMRatisSnapshotInfo.loadRatisSnapshotIndex()
 At OMRatisSnapshotInfo.java:[line 88] |
   |  |  Dereference of the result of readLine() without nullcheck in org.apache.hadoop.ozone.om.ratis.OMRatisSnapshotInfo.loadRatisSnapshotIndex()
 At OMRatisSnapshotInfo.java:readLine() without nullcheck in org.apache.hadoop.ozone.om.ratis.OMRatisSnapshotInfo.loadRatisSnapshotIndex()
 At OMRatisSnapshotInfo.java:[line 87] |
   | Failed junit tests | hadoop.ozone.client.rpc.TestBlockOutputStream |
   |   | hadoop.ozone.client.rpc.TestOzoneAtRestEncryption |
   |   | hadoop.hdds.scm.pipeline.TestRatisPipelineCreateAndDestory |
   |   | hadoop.ozone.client.rpc.Test2WayCommitInRatis |
   |   | hadoop.ozone.client.rpc.TestOzoneClientRetriesOnException |
   |   | hadoop.ozone.client.rpc.TestOzoneRpcClientForAclAuditLog |
   |   | hadoop.ozone.TestContainerStateMachineIdempotency |
   |   | hadoop.ozone.client.rpc.TestReadRetries |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-1130/2/artifact/out/Dockerfile
|
   | GITHUB PR | https://github.com/apache/hadoop/pull/1130 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient
findbugs checkstyle |
   | uname | Linux 120842c5ec46 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | personality/hadoop.sh |
   | git revision | trunk / 77d102c |
   | Default Java | 1.8.0_222 |
   | checkstyle | https://builds.apache.org/job/hadoop-multibranch/job/PR-1130/2/artifact/out/diff-checkstyle-hadoop-ozone.txt
|
   | javadoc | https://builds.apache.org/job/hadoop-multibranch/job/PR-1130/2/artifact/out/diff-javadoc-javadoc-hadoop-ozone.txt
|
   | findbugs | https://builds.apache.org/job/hadoop-multibranch/job/PR-1130/2/artifact/out/new-findbugs-hadoop-ozone.html
|
   | unit | https://builds.apache.org/job/hadoop-multibranch/job/PR-1130/2/artifact/out/patch-unit-hadoop-ozone.txt
|
   |  Test Results | https://builds.apache.org/job/hadoop-multibranch/job/PR-1130/2/testReport/
|
   | Max. process+thread count | 3485 (vs. ulimit of 5500) |
   | modules | C: hadoop-ozone/common hadoop-ozone/ozone-manager hadoop-ozone/integration-test
U: hadoop-ozone |
   | Console output | https://builds.apache.org/job/hadoop-multibranch/job/PR-1130/2/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 |
   
   
   This message was automatically generated.
   
   
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 295770)
    Time Spent: 50m  (was: 40m)

> Load Snapshot info when OM Ratis server starts
> ----------------------------------------------
>
>                 Key: HDDS-1827
>                 URL: https://issues.apache.org/jira/browse/HDDS-1827
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> When Ratis server is starting it looks for the latest snapshot to load it. Even though
OM does not save snapshots via Ratis, we need to load the saved snaphsot index into Ratis
so that the LogAppender knows to not look for logs before the snapshot index. Otherwise, Ratis
will replay the logs from beginning every time it starts up.



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