[ 
https://issues.apache.org/jira/browse/HBASE-18131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16164028#comment-16164028
 ] 

Hadoop QA commented on HBASE-18131:
-----------------------------------

| (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 
15s{color} | {color:blue} Docker mode activated. {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 2 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
24s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
51s{color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
33s{color} | {color:green} branch-1 passed with JDK v1.8.0_144 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
42s{color} | {color:green} branch-1 passed with JDK v1.7.0_151 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 16m 
17s{color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  1m 
28s{color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  9m  
4s{color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
44s{color} | {color:green} branch-1 passed with JDK v1.8.0_144 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
12s{color} | {color:green} branch-1 passed with JDK v1.7.0_151 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
12s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
35s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
19s{color} | {color:green} the patch passed with JDK v1.8.0_144 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  1m 
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
19s{color} | {color:green} hbase-protocol in the patch passed with JDK 
v1.8.0_144. {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
15s{color} | {color:green} hbase-client in the patch passed with JDK 
v1.8.0_144. {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
32s{color} | {color:green} hbase-server-jdk1.8.0_144 with JDK v1.8.0_144 
generated 0 new + 5 unchanged - 5 fixed = 5 total (was 10) {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
13s{color} | {color:green} hbase-shell in the patch passed with JDK v1.8.0_144. 
{color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
31s{color} | {color:green} the patch passed with JDK v1.7.0_151 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  1m 
31s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
21s{color} | {color:green} hbase-protocol in the patch passed with JDK 
v1.7.0_151. {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
18s{color} | {color:green} hbase-client in the patch passed with JDK 
v1.7.0_151. {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
37s{color} | {color:green} hbase-server-jdk1.7.0_151 with JDK v1.7.0_151 
generated 0 new + 5 unchanged - 5 fixed = 5 total (was 10) {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
15s{color} | {color:green} hbase-shell in the patch passed with JDK v1.7.0_151. 
{color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  9m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
54s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} rubocop {color} | {color:red}  0m 
10s{color} | {color:red} The patch generated 7 new + 827 unchanged - 1 fixed = 
834 total (was 828) {color} |
| {color:red}-1{color} | {color:red} ruby-lint {color} | {color:red}  0m  
4s{color} | {color:red} The patch generated 14 new + 655 unchanged - 0 fixed = 
669 total (was 655) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 26 line(s) that end in whitespace. Use 
git apply --whitespace=fix <<patch_file>>. Refer 
https://git-scm.com/docs/git-apply {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
15m 37s{color} | {color:green} The patch does not cause any errors with Hadoop 
2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:red}-1{color} | {color:red} hbaseprotoc {color} | {color:red}  0m 
20s{color} | {color:red} Patch generated 4 new protoc errors in hbase-protocol. 
{color} |
| {color:red}-1{color} | {color:red} hbaseprotoc {color} | {color:red}  0m 
11s{color} | {color:red} Patch generated 4 new protoc errors in hbase-client. 
{color} |
| {color:red}-1{color} | {color:red} hbaseprotoc {color} | {color:red}  0m 
15s{color} | {color:red} Patch generated 4 new protoc errors in hbase-server. 
{color} |
| {color:red}-1{color} | {color:red} hbaseprotoc {color} | {color:red}  0m 
13s{color} | {color:red} Patch generated 4 new protoc errors in hbase-shell. 
{color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m 
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m  
6s{color} | {color:green} hbase-protocol in the patch passed with JDK 
v1.8.0_144. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
16s{color} | {color:green} hbase-client-jdk1.8.0_144 with JDK v1.8.0_144 
generated 0 new + 13 unchanged - 13 fixed = 13 total (was 26) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
27s{color} | {color:green} hbase-server-jdk1.8.0_144 with JDK v1.8.0_144 
generated 0 new + 3 unchanged - 3 fixed = 3 total (was 6) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m  
7s{color} | {color:green} hbase-shell in the patch passed with JDK v1.8.0_144. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m  
7s{color} | {color:green} hbase-protocol in the patch passed with JDK 
v1.7.0_151. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
19s{color} | {color:green} hbase-client-jdk1.7.0_151 with JDK v1.7.0_151 
generated 0 new + 13 unchanged - 13 fixed = 13 total (was 26) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
34s{color} | {color:green} hbase-server-jdk1.7.0_151 with JDK v1.7.0_151 
generated 0 new + 3 unchanged - 3 fixed = 3 total (was 6) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m  
9s{color} | {color:green} hbase-shell in the patch passed with JDK v1.7.0_151. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
20s{color} | {color:green} hbase-protocol in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
58s{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}382m 26s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 20m 19s{color} 
| {color:red} hbase-shell in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 20m 
 1s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}504m 31s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.security.access.TestAccessController |
|   | hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort |
|   | hadoop.hbase.client.TestReplicasClient |
|   | hadoop.hbase.master.balancer.TestStochasticLoadBalancer2 |
|   | hadoop.hbase.regionserver.TestRSKilledWhenInitializing |
|   | hadoop.hbase.client.TestSnapshotCloneIndependence |
|   | hadoop.hbase.snapshot.TestRegionSnapshotTask |
| Timed out junit tests | 
org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat |
|   | org.apache.hadoop.hbase.regionserver.TestCorruptedRegionStoreFile |
|   | org.apache.hadoop.hbase.regionserver.compactions.TestFIFOCompactionPolicy 
|
|   | 
org.apache.hadoop.hbase.replication.TestReplicationChangingPeerRegionservers |
|   | org.apache.hadoop.hbase.replication.regionserver.TestReplicator |
|   | org.apache.hadoop.hbase.snapshot.TestSnapshotClientRetries |
|   | org.apache.hadoop.hbase.master.TestMasterFailover |
|   | org.apache.hadoop.hbase.TestFullLogReconstruction |
|   | org.apache.hadoop.hbase.TestHBaseTestingUtility |
|   | org.apache.hadoop.hbase.wal.TestDefaultWALProviderWithHLogKey |
|   | org.apache.hadoop.hbase.mapred.TestTableMapReduceUtil |
|   | org.apache.hadoop.hbase.coprocessor.TestMasterObserver |
|   | org.apache.hadoop.hbase.regionserver.TestRegionServerAbort |
|   | org.apache.hadoop.hbase.client.TestMetaWithReplicas |
|   | org.apache.hadoop.hbase.util.TestHBaseFsckEncryption |
|   | org.apache.hadoop.hbase.util.TestHBaseFsck |
|   | org.apache.hadoop.hbase.master.TestTableLockManager |
|   | org.apache.hadoop.hbase.master.procedure.TestWALProcedureStoreOnHDFS |
|   | org.apache.hadoop.hbase.TestClusterBootOrder |
|   | org.apache.hadoop.hbase.util.hbck.TestOfflineMetaRebuildOverlap |
|   | org.apache.hadoop.hbase.TestJMXConnectorServer |
|   | org.apache.hadoop.hbase.util.TestMiniClusterLoadEncoded |
|   | org.apache.hadoop.hbase.util.TestMiniClusterLoadSequential |
|   | org.apache.hadoop.hbase.master.TestMasterShutdown |
|   | org.apache.hadoop.hbase.regionserver.wal.TestLogRolling |
|   | org.apache.hadoop.hbase.client.TestAdmin2 |
|   | org.apache.hadoop.hbase.regionserver.TestPerColumnFamilyFlush |
|   | org.apache.hadoop.hbase.master.TestMasterBalanceThrottling |
|   | org.apache.hadoop.hbase.snapshot.TestSecureExportSnapshot |
|   | org.apache.hadoop.hbase.master.TestMaster |
|   | org.apache.hadoop.hbase.TestAcidGuarantees |
|   | org.apache.hadoop.hbase.TestGlobalMemStoreSize |
|   | org.apache.hadoop.hbase.regionserver.TestCompactionWithCoprocessor |
|   | org.apache.hadoop.hbase.snapshot.TestExportSnapshot |
|   | org.apache.hadoop.hbase.master.TestZKBasedOpenCloseRegion |
|   | 
org.apache.hadoop.hbase.replication.multiwal.TestReplicationEndpointWithMultipleWAL
 |
|   | org.apache.hadoop.hbase.TestRegionRebalancing |
|   | org.apache.hadoop.hbase.TestInfoServers |
|   | org.apache.hadoop.hbase.util.hbck.TestOfflineMetaRebuildBase |
|   | org.apache.hadoop.hbase.security.visibility.TestVisibilityWithCheckAuths |
|   | org.apache.hadoop.hbase.wal.TestWALOpenAfterDNRollingStart |
|   | org.apache.hadoop.hbase.master.TestRestartCluster |
|   | org.apache.hadoop.hbase.util.TestMiniClusterLoadParallel |
|   | org.apache.hadoop.hbase.regionserver.TestHRegion |
|   | org.apache.hadoop.hbase.client.TestHCM |
|   | org.apache.hadoop.hbase.replication.TestReplicationKillMasterRS |
|   | org.apache.hadoop.hbase.coprocessor.TestAggregateProtocol |
|   | org.apache.hadoop.hbase.TestHColumnDescriptorDefaultVersions |
|   | org.apache.hadoop.hbase.coprocessor.TestBigDecimalColumnInterpreter |
|   | org.apache.hadoop.hbase.client.TestTableSnapshotScanner |
|   | org.apache.hadoop.hbase.fs.TestBlockReorder |
|   | org.apache.hadoop.hbase.mapreduce.TestImportTSVWithVisibilityLabels |
|   | org.apache.hadoop.hbase.TestMetaTableAccessor |
|   | 
org.apache.hadoop.hbase.client.replication.TestReplicationAdminWithClusters |
|   | org.apache.hadoop.hbase.replication.TestPerTableCFReplication |
|   | org.apache.hadoop.hbase.replication.TestMultiSlaveReplication |
|   | org.apache.hadoop.hbase.master.handler.TestEnableTableHandler |
|   | org.apache.hadoop.hbase.master.handler.TestCreateTableHandler |
|   | org.apache.hadoop.hbase.regionserver.TestRegionReplicaFailover |
|   | org.apache.hadoop.hbase.client.TestHTablePool$TestHTableThreadLocalPool |
|   | org.apache.hadoop.hbase.wal.TestWALFactory |
|   | org.apache.hadoop.hbase.client.TestHTableMultiplexer |
|   | org.apache.hadoop.hbase.regionserver.TestParallelPut |
|   | org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd |
|   | org.apache.hadoop.hbase.mapreduce.TestTableInputFormatScan1 |
|   | org.apache.hadoop.hbase.mapreduce.TestTableSnapshotInputFormat |
|   | org.apache.hadoop.hbase.regionserver.TestHRegionServerBulkLoad |
|   | org.apache.hadoop.hbase.replication.TestMasterReplication |
|   | org.apache.hadoop.hbase.replication.TestSerialReplication |
|   | org.apache.hadoop.hbase.TestPartialResultsFromClientSide |
|   | org.apache.hadoop.hbase.regionserver.TestAtomicOperation |
|   | org.apache.hadoop.hbase.mapreduce.TestMultiTableInputFormat |
|   | org.apache.hadoop.hbase.io.TestFileLink |
|   | org.apache.hadoop.hbase.mapred.TestTableSnapshotInputFormat |
|   | org.apache.hadoop.hbase.tool.TestCanaryTool |
|   | org.apache.hadoop.hbase.util.TestFSUtils |
|   | org.apache.hadoop.hbase.client.TestReplicationShell |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:6f1cc2c |
| JIRA Issue | HBASE-18131 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12886673/HBASE-18131.branch-1.v1.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  cc  hbaseprotoc  rubocop  ruby_lint  |
| uname | Linux 05926ced6083 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/hbase.sh |
| git revision | branch-1 / b6a12c8 |
| Default Java | 1.7.0_151 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_144 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_151 |
| findbugs | v3.0.0 |
| rubocop | v0.49.1 |
| rubocop | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/diff-patch-rubocop.txt
 |
| ruby-lint | v2.3.1 |
| ruby-lint | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/diff-patch-ruby-lint.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/whitespace-eol.txt
 |
| hbaseprotoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/patch-hbaseprotoc-hbase-protocol.txt
 |
| hbaseprotoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/patch-hbaseprotoc-hbase-client.txt
 |
| hbaseprotoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/patch-hbaseprotoc-hbase-server.txt
 |
| hbaseprotoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/patch-hbaseprotoc-hbase-shell.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/artifact/patchprocess/patch-unit-hbase-shell.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/testReport/ |
| modules | C: hbase-protocol hbase-client hbase-server hbase-shell U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8586/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> Add an hbase shell command to clear deadserver list in ServerManager
> --------------------------------------------------------------------
>
>                 Key: HBASE-18131
>                 URL: https://issues.apache.org/jira/browse/HBASE-18131
>             Project: HBase
>          Issue Type: New Feature
>          Components: Operability
>            Reporter: Yu Li
>            Assignee: Guangxu Cheng
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-18131.branch-1.v1.patch, 
> HBASE-18131.master.v1.patch, HBASE-18131.master.v2.patch, 
> HBASE-18131.master.v3.patch, HBASE-18131.master.v4.patch, 
> HBASE-18131.master.v5.patch, HBASE-18131.master.v6.patch, 
> HBASE-18131.master.v6.patch, HBASE-18131.master.v7.patch, HBASE-18131.patch
>
>
> Currently if a regionserver is aborted due to fatal error or stopped by 
> operator on purpose, it will be added into {{ServerManager#deadservers}} list 
> and shown as "Dead Servers" in the master UI. This is a valid warn for 
> operators to  notice the self-aborted servers and give a sanity check to 
> avoid further issues. However, after necessary checks, even if operator is 
> sure that the node is decommissioned (such as for repair), there's no way to 
> clear the dead server list except restarting master. See more details in 
> [this 
> discussion|http://mail-archives.apache.org/mod_mbox/hbase-user/201705.mbox/%3CCAM7-19%2BD4MLu2b1R94%2BtWQDspjfny2sCy4Qit8JtCgjvTOZzzg%40mail.gmail.com%3E]
>  in mail list
> Here we propose to add a hbase shell command to allow clearing dead server 
> list in {{ServerManager}} for advanced users, and the command should be 
> executed with caution.



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