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https://issues.apache.org/jira/browse/SOLR-12291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16828910#comment-16828910
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Lucene/Solr QA commented on SOLR-12291:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 3 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m 
55s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  4m  
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  4m  
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Release audit (RAT) {color} | 
{color:green}  4m  4s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Check forbidden APIs {color} | 
{color:green}  3m 59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Validate source patterns {color} | 
{color:green}  3m 59s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 90m 
20s{color} | {color:green} core in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
33s{color} | {color:green} test-framework in the patch passed. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}105m 28s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | SOLR-12291 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12967330/SOLR-12291.patch |
| Optional Tests |  compile  javac  unit  ratsources  checkforbiddenapis  
validatesourcepatterns  |
| uname | Linux lucene2-us-west.apache.org 4.4.0-112-generic #135-Ubuntu SMP 
Fri Jan 19 11:48:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | ant |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-SOLR-Build/sourcedir/dev-tools/test-patch/lucene-solr-yetus-personality.sh
 |
| git revision | master / 8dd22bc |
| ant | version: Apache Ant(TM) version 1.9.6 compiled on July 20 2018 |
| Default Java | LTS |
|  Test Results | 
https://builds.apache.org/job/PreCommit-SOLR-Build/391/testReport/ |
| modules | C: solr/core solr/test-framework U: solr |
| Console output | 
https://builds.apache.org/job/PreCommit-SOLR-Build/391/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> Async prematurely reports completed status that causes severe shard loss
> ------------------------------------------------------------------------
>
>                 Key: SOLR-12291
>                 URL: https://issues.apache.org/jira/browse/SOLR-12291
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Backup/Restore, SolrCloud
>            Reporter: Varun Thacker
>            Assignee: Mikhail Khludnev
>            Priority: Major
>         Attachments: SOLR-12291.patch, SOLR-12291.patch, SOLR-12291.patch, 
> SOLR-12291.patch, SOLR-12291.patch, SOLR-12291.patch, SOLR-122911.patch
>
>
> The OverseerCollectionMessageHandler sliceCmd assumes only one replica exists 
> on one node
> When multiple replicas of a slice are on the same node we only track one 
> replica's async request. This happens because the async requestMap's key is 
> "node_name"
> I discovered this when [~alabax] shared some logs of a restore issue, where 
> the second replica got added before the first replica had completed it's 
> restorecore action.
> While looking at the logs I noticed that the overseer never called 
> REQUESTSTATUS for the restorecore action , almost as if it had missed 
> tracking that particular async request.



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