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https://issues.apache.org/jira/browse/HBASE-21156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16618311#comment-16618311
 ] 

Hadoop QA commented on HBASE-21156:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
17s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green}  0m  
0s{color} | {color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
|| || || || {color:brown} branch-2.1 Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
23s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
31s{color} | {color:green} branch-2.1 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 15m 
20s{color} | {color:green} branch-2.1 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
 4s{color} | {color:green} branch-2.1 passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
 1s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m 
41s{color} | {color:green} branch-2.1 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
14s{color} | {color:green} branch-2.1 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
15s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
 2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 16m 
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 16m 
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 16m 
41s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
39s{color} | {color:red} hbase-client: The patch generated 1 new + 210 
unchanged - 0 fixed = 211 total (was 210) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  1m 
18s{color} | {color:red} hbase-server: The patch generated 10 new + 37 
unchanged - 0 fixed = 47 total (was 37) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  3m 
52s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
11m  4s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} hbaseprotoc {color} | {color:green}  
1m 43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m 
53s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
37s{color} | {color:red} hbase-server generated 2 new + 1 unchanged - 0 fixed = 
3 total (was 1) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
35s{color} | {color:green} hbase-protocol-shaded in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m  
9s{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}163m 54s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  1m 
 0s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}251m 12s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hbase.io.asyncfs.TestSaslFanOutOneBlockAsyncDFSOutput |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:42ca976 |
| JIRA Issue | HBASE-21156 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12940059/HBASE-21156.branch-2.1.001.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  cc  hbaseprotoc  |
| uname | Linux aa0750053d92 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14 
08:52:28 UTC 2018 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | branch-2.1 / 27b772ddc6 |
| maven | version: Apache Maven 3.5.4 
(1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC3 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/14434/artifact/patchprocess/diff-checkstyle-hbase-client.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/14434/artifact/patchprocess/diff-checkstyle-hbase-server.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/14434/artifact/patchprocess/diff-javadoc-javadoc-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/14434/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/14434/testReport/ |
| Max. process+thread count | 5042 (vs. ulimit of 10000) |
| modules | C: hbase-protocol-shaded hbase-client hbase-server U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/14434/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> [hbck2] Queue an assign of hbase:meta and bulk assign/unassign
> --------------------------------------------------------------
>
>                 Key: HBASE-21156
>                 URL: https://issues.apache.org/jira/browse/HBASE-21156
>             Project: HBase
>          Issue Type: Sub-task
>          Components: hbck2
>    Affects Versions: 2.1.0
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 2.1.1
>
>         Attachments: HBASE-21156.branch-2.1.001.patch
>
>
> We need this to effect repair when damage.
> If procedure WALs AND a server WAL dir are lost or cleaned or we crashed 
> during partial split (unlikely scenarios but nonetheless possible), a Master 
> can be stuck unable to become active because there is no assign procedure for 
> hbase:meta in the system.
> The reasonable argument over in HBASE-21035 has it that attempts at 
> auto-repair under these extremes could cause other issues so at least until 
> we learn more, we for now punt to the operator for fix-up.
> To reproduce the catastrophe, see notes in HBASE-21035 (and [~allan163]'s 
> test).
> UPDATE: HBASE-21191 adds a Master assuming an "holding-pattern" if on startup 
> it does not have an assign for meta (possible if we lose all Master WAL 
> Procs.). Holding pattern is needed because we were exiting after one minute 
> of RPC'ing to old meta location. To inject an assign, the Admin#assign won't 
> work because it gets rejected because the "Master is Initializing". So we 
> need to be able to assign hbase:meta even if "Master is initializing". Also, 
> while in here, add being able to bulk assign because assigning a 
> Region-at-a-time from the shell only works if the offflined region count is 
> in the low 10s; fails when thousands offline.



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