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https://issues.apache.org/jira/browse/HBASE-19134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16282719#comment-16282719
 ] 

Hadoop QA commented on HBASE-19134:
-----------------------------------

| (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  
7s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Findbugs executables are not available. {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  
1s{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 31 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
12s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
30s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
0s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
30s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  5m 
54s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
41s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
13s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
34s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
0s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
0s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  1m 
15s{color} | {color:red} hbase-server: The patch generated 9 new + 695 
unchanged - 19 fixed = 704 total (was 714) {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 
34s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
52m 54s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 2.7.4 or 3.0.0-alpha4. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
43s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}119m 26s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 10m 
58s{color} | {color:green} hbase-mapreduce in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
42s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}204m 57s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.regionserver.wal.TestSecureAsyncWALReplay |
|   | hadoop.hbase.regionserver.wal.TestWALReplay |
|   | 
hadoop.hbase.replication.multiwal.TestReplicationSyncUpToolWithMultipleAsyncWAL 
|
|   | 
hadoop.hbase.replication.regionserver.TestRegionReplicaReplicationEndpoint |
|   | hadoop.hbase.regionserver.TestHRegionReplayEvents |
|   | 
hadoop.hbase.replication.multiwal.TestReplicationKillMasterRSCompressedWithMultipleAsyncWAL
 |
|   | hadoop.hbase.regionserver.wal.TestAsyncWALReplayCompressed |
|   | 
hadoop.hbase.replication.multiwal.TestReplicationEndpointWithMultipleAsyncWAL |
|   | hadoop.hbase.regionserver.TestRegionReplicaFailover |
|   | hadoop.hbase.wal.TestWALSplitCompressed |
|   | 
hadoop.hbase.replication.multiwal.TestReplicationSyncUpToolWithMultipleWAL |
|   | hadoop.hbase.wal.TestWALFactory |
|   | hadoop.hbase.regionserver.wal.TestWALReplayCompressed |
|   | hadoop.hbase.regionserver.wal.TestAsyncWALReplay |
|   | hadoop.hbase.wal.TestWALSplit |
|   | hadoop.hbase.replication.TestReplicationSyncUpTool |
|   | hadoop.hbase.replication.regionserver.TestWALEntryStream |
|   | hadoop.hbase.replication.TestReplicationEndpoint |
|   | hadoop.hbase.replication.multiwal.TestReplicationEndpointWithMultipleWAL |
|   | 
hadoop.hbase.security.visibility.TestVisibilityLabelsWithDefaultVisLabelService 
|
|   | hadoop.hbase.regionserver.wal.TestSecureWALReplay |
|   | hadoop.hbase.TestIOFencing |
|   | hadoop.hbase.master.procedure.TestServerCrashProcedure |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:eee3b01 |
| JIRA Issue | HBASE-19134 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12901133/HBASE-19134.master.002.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux c37d5e32a907 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 
12:48:20 UTC 2017 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 / f55e81e6c0 |
| maven | version: Apache Maven 3.5.2 
(138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z) |
| Default Java | 1.8.0_151 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/10291/artifact/patchprocess/diff-checkstyle-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/10291/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/10291/testReport/ |
| modules | C: hbase-server hbase-mapreduce U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/10291/console |
| Powered by | Apache Yetus 0.6.0   http://yetus.apache.org |


This message was automatically generated.



> Make WALKey an Interface; expose Read-Only version to CPs
> ---------------------------------------------------------
>
>                 Key: HBASE-19134
>                 URL: https://issues.apache.org/jira/browse/HBASE-19134
>             Project: HBase
>          Issue Type: Bug
>          Components: Coprocessors, wal
>            Reporter: stack
>            Assignee: stack
>             Fix For: 2.0.0-beta-1
>
>         Attachments: HBASE-19134.master.001.patch, 
> HBASE-19134.master.002.patch
>
>
> WALKey has been made IA.Private in hbase2. Even so, given we don't have an 
> alternative to expose at this time, it is exposed to coprocessors still at a 
> few (now deprecated) locations.
> In review of HBASE-18770, [~chia7712] makes reasonable suggestion that what 
> we expose to CPs be a read-only WALKey. He gets pushback on doing this for 
> hbase2 (Do we even want to expose WALKey to CPs, is WALKey right going 
> forward, etc.). Chia-Ping comes back w/ the below (copied from HBASE-18770):
> What we want to fix for WALKey are shown below.
>  * expose some methods to CP user safety
>  * refactor/redo
> As I see it, adding an interface exposed to CP user for WALKey is a right 
> choice because it can bring some benefit.
>  * We can expose part of WALKey's methods to CP users - a read-only interface 
> or an interface with some modifiable setting. 
>  * The related CP hooks won't be deprecated 
>  * Doing the refactor for WALKey doesn't essentially impact the CP hook after 
> 2.0 release. 
> Although, it will be better to redo WALKey before 2.0 release. In short, I 
> think it warrants such an interface.
> (We both agree this would be a load of work given WALKey is written to 
> HFiles. Warrants a look though).



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