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https://issues.apache.org/jira/browse/HBASE-21568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713461#comment-16713461
 ] 

Hadoop QA commented on HBASE-21568:
-----------------------------------

| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
11s{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:orange}-0{color} | {color:orange} test4tests {color} | {color:orange}  
0m  0s{color} | {color:orange} The patch doesn't appear to include any new or 
modified tests. Please justify why no new tests are needed for this patch. Also 
please list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} branch-2.0 Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
8s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
54s{color} | {color:green} branch-2.0 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
25s{color} | {color:green} branch-2.0 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
32s{color} | {color:green} branch-2.0 passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
13s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m  
0s{color} | {color:green} branch-2.0 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
44s{color} | {color:green} branch-2.0 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}  2m 
47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  2m 
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
36s{color} | {color:green} the patch passed {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 
 8s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}  
8m 49s{color} | {color:green} Patch does not cause any errors with Hadoop 2.6.5 
2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
12s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
44s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}107m 
19s{color} | {color:green} hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 14m 
56s{color} | {color:green} hbase-mapreduce in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
43s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}162m 47s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:6f01af0 |
| JIRA Issue | HBASE-21568 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12951053/HBASE-21568.001.branch-2.0.patch
 |
| Optional Tests |  dupname  asflicense  javac  javadoc  unit  findbugs  
shadedjars  hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux dc43d8d7fe4b 4.4.0-139-generic #165~14.04.1-Ubuntu SMP Wed Oct 
31 10:55:11 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-2.0 / 9097821560 |
| maven | version: Apache Maven 3.5.4 
(1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC3 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/15223/testReport/ |
| Max. process+thread count | 4461 (vs. ulimit of 10000) |
| modules | C: hbase-server hbase-mapreduce U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/15223/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Disable use of BlockCache for LoadIncrementalHFiles
> ---------------------------------------------------
>
>                 Key: HBASE-21568
>                 URL: https://issues.apache.org/jira/browse/HBASE-21568
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Major
>             Fix For: 2.2.0, 2.1.2, 2.0.4
>
>         Attachments: HBASE-21568.001.branch-2.0.patch
>
>
> [~vrodionov] added some API to {{CacheConfig}} via HBASE-17151 to allow 
> callers to specify that they do not want to use a block cache when reading an 
> HFile.
> If the BucketCache is set up to use the FileSystem, we can have a situation 
> where the client tries to instantiate the BucketCache and is disallowed due 
> to filesystem permissions:
> {code:java}
> 2018-12-03 16:22:03,032 ERROR [LoadIncrementalHFiles-0] bucket.FileIOEngine: 
> Failed allocating cache on /mnt/hbase/cache.data
> java.io.FileNotFoundException: /mnt/hbase/cache.data (Permission denied)
>   at java.io.RandomAccessFile.open0(Native Method)
>   at java.io.RandomAccessFile.open(RandomAccessFile.java:316)
>   at java.io.RandomAccessFile.<init>(RandomAccessFile.java:243)
>   at java.io.RandomAccessFile.<init>(RandomAccessFile.java:124)
>   at 
> org.apache.hadoop.hbase.io.hfile.bucket.FileIOEngine.<init>(FileIOEngine.java:81)
>   at 
> org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.getIOEngineFromName(BucketCache.java:382)
>   at 
> org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.<init>(BucketCache.java:262)
>   at 
> org.apache.hadoop.hbase.io.hfile.CacheConfig.getBucketCache(CacheConfig.java:633)
>   at 
> org.apache.hadoop.hbase.io.hfile.CacheConfig.instantiateBlockCache(CacheConfig.java:663)
>   at org.apache.hadoop.hbase.io.hfile.CacheConfig.<init>(CacheConfig.java:250)
>   at 
> org.apache.hadoop.hbase.tool.LoadIncrementalHFiles.groupOrSplit(LoadIncrementalHFiles.java:713)
>   at 
> org.apache.hadoop.hbase.tool.LoadIncrementalHFiles$3.call(LoadIncrementalHFiles.java:621)
>   at 
> org.apache.hadoop.hbase.tool.LoadIncrementalHFiles$3.call(LoadIncrementalHFiles.java:617)
>   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>   at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>   at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>   at java.lang.Thread.run(Thread.java:748)
> {code}
> LoadIncrementalHfiles should provide the {{CacheConfig.DISABLE}}.



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