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https://issues.apache.org/jira/browse/HBASE-21154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16693481#comment-16693481
 ] 

Hadoop QA commented on HBASE-21154:
-----------------------------------

| (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 
19s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green}  0m  
1s{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 13 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
30s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
26s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m  
6s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  3m 
11s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
50s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  8m 
15s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
59s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
17s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  6m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  6m  
2s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
40s{color} | {color:red} hbase-client: The patch generated 3 new + 32 unchanged 
- 0 fixed = 35 total (was 32) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  1m 
37s{color} | {color:red} hbase-server: The patch generated 4 new + 773 
unchanged - 96 fixed = 777 total (was 869) {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}  4m 
47s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
10m 27s{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}  
2m 33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  8m 
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
56s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
39s{color} | {color:green} hbase-protocol-shaded in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m  
1s{color} | {color:green} hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m 
42s{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}272m 56s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  5m 28s{color} 
| {color:red} hbase-rsgroup in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  2m 
17s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}363m 59s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.master.procedure.TestDeleteTableProcedure |
|   | hadoop.hbase.master.procedure.TestCreateNamespaceProcedure |
|   | hadoop.hbase.replication.TestSyncReplicationStandbyKillRS |
|   | hadoop.hbase.regionserver.TestRegionServerMetrics |
|   | hadoop.hbase.master.TestMasterOperationsForRegionReplicas |
|   | hadoop.hbase.master.TestRollingRestart |
|   | hadoop.hbase.master.assignment.TestTransitRegionStateProcedure |
|   | hadoop.hbase.client.TestCloneSnapshotFromClientAfterSplittingRegion |
|   | hadoop.hbase.master.TestDLSAsyncFSWAL |
|   | hadoop.hbase.master.TestMasterMetrics |
|   | hadoop.hbase.master.procedure.TestRestoreSnapshotProcedure |
|   | hadoop.hbase.master.TestMasterRestartAfterDisablingTable |
|   | hadoop.hbase.regionserver.TestRegionReplicasWithRestartScenarios |
|   | hadoop.hbase.master.procedure.TestModifyTableProcedure |
|   | hadoop.hbase.master.procedure.TestProcedureAdmin |
|   | hadoop.hbase.master.procedure.TestModifyNamespaceProcedure |
|   | hadoop.hbase.client.TestRestoreSnapshotFromClientWithRegionReplicas |
|   | hadoop.hbase.client.TestMobCloneSnapshotFromClientAfterSplittingRegion |
|   | hadoop.hbase.master.procedure.TestCloneSnapshotProcedure |
|   | hadoop.hbase.master.TestDLSFSHLog |
|   | 
hadoop.hbase.replication.multiwal.TestReplicationSyncUpToolWithMultipleAsyncWAL 
|
|   | hadoop.hbase.client.TestFromClientSide3 |
|   | hadoop.hbase.TestGlobalMemStoreSize |
|   | hadoop.hbase.rsgroup.TestRSGroupsBasics |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:b002b0b |
| JIRA Issue | HBASE-21154 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12948836/HBASE-21154.patch |
| Optional Tests |  dupname  asflicense  javac  javadoc  unit  findbugs  
shadedjars  hadoopcheck  hbaseanti  checkstyle  compile  cc  hbaseprotoc  |
| uname | Linux c74e229479d8 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 
17:16:02 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 | master / 405bf5e638 |
| 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/15077/artifact/patchprocess/diff-checkstyle-hbase-client.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/15077/artifact/patchprocess/diff-checkstyle-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/15077/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/15077/artifact/patchprocess/patch-unit-hbase-rsgroup.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/15077/testReport/ |
| Max. process+thread count | 5169 (vs. ulimit of 10000) |
| modules | C: hbase-protocol-shaded hbase-common hbase-client hbase-server 
hbase-rsgroup U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/15077/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Remove hbase:namespace table; fold it into hbase:meta
> -----------------------------------------------------
>
>                 Key: HBASE-21154
>                 URL: https://issues.apache.org/jira/browse/HBASE-21154
>             Project: HBase
>          Issue Type: Improvement
>          Components: meta
>            Reporter: stack
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: HBASE-21154.patch
>
>
> Namespace table is a small system table. Usually it has two rows. It must be 
> assigned before user tables but after hbase:meta goes out. Its presence 
> complicates our startup and is a constant source of grief when for whatever 
> reason, it is not up and available. In fact, master startup is predicated on 
> hbase:namespace being assigned and will not make progress unless it is up.
> Lets just add a new 'ns' column family to hbase:meta for namespace.
> Here is a default ns table content:
> {code}
> hbase(main):023:0* scan 'hbase:namespace'
> ROW                                                                           
>                            COLUMN+CELL
>  default                                                                      
>                            column=info:d, timestamp=1526694059106, 
> value=\x0A\x07default
>  hbase                                                                        
>                            column=info:d, timestamp=1526694059461, 
> value=\x0A\x05hbase
> {code}



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