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https://issues.apache.org/jira/browse/HBASE-23710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17021297#comment-17021297
 ] 

HBase QA commented on HBASE-23710:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  2m  
5s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green}  0m  
0s{color} | {color:green} No case conflicting files found. {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} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
33s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
55s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
 8s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
37s{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 
38s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  4m 
37s{color} | {color:blue} Used deprecated FindBugs config; considering 
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m 
35s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
 6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 1s{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} 
15m 53s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.8.5 2.9.2 or 3.1.2. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
36s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m 
42s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}155m 56s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
36s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}214m 35s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hbase.security.provider.TestCustomSaslAuthenticationProvider |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.5 Server=19.03.5 base: 
https://builds.apache.org/job/PreCommit-HBASE-Build/1094/artifact/patchprocess/Dockerfile
 |
| JIRA Issue | HBASE-23710 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12991403/HBASE-23710-master.v01.patch
 |
| Optional Tests | dupname asflicense javac javadoc unit spotbugs findbugs 
shadedjars hadoopcheck hbaseanti checkstyle compile |
| uname | Linux 4daac55b2b9d 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 
11:12:41 UTC 2019 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/hbase-personality.sh |
| git revision | master / ae6a2de560 |
| Default Java | 1.8.0_181 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1094/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1094/testReport/ |
| Max. process+thread count | 5491 (vs. ulimit of 10000) |
| modules | C: hbase-server U: hbase-server |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1094/console |
| versions | git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11 |
| Powered by | Apache Yetus 0.11.1 https://yetus.apache.org |


This message was automatically generated.



> Priority configuration for system coprocessors
> ----------------------------------------------
>
>                 Key: HBASE-23710
>                 URL: https://issues.apache.org/jira/browse/HBASE-23710
>             Project: HBase
>          Issue Type: New Feature
>          Components: Coprocessors
>            Reporter: Geoffrey Jacoby
>            Assignee: Geoffrey Jacoby
>            Priority: Major
>         Attachments: HBASE-23710-master.v01.patch
>
>
> Currenty HBase allows operators to set system region coprocessors via 
> hbase-site.xml to be loaded on each table in a cluster (or alternately, all 
> tables but system tables). HBase assumes that the first loaded system 
> coprocessor gets the first, or SYSTEM priority, with each subsequent system 
> coproc getting incremented by 1. As a reminder, in HBase _lower_ priorities 
> go first. 
> It can be useful for an operator to be able to define a coprocessor on each 
> table that needs a different priority. For example, an operator might want a 
> coproc to load on each table _last_, so that it can enforce some system 
> invariant and know that no other coproc will interfere with it. 
> I propose adding optional priority config to the hbase-site.xml 
> configuration, separated from each coproc class in the comma-separated list 
> by a special character (perhaps a pipe, such as table coprocs use) that's not 
> used in class names. 
> The region coprocessor host will parse the priority if present and use it 
> when instantiating the coproc. 



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