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https://issues.apache.org/jira/browse/HDFS-15025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17043443#comment-17043443
 ] 

Hadoop QA commented on HDFS-15025:
----------------------------------

| (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 
52s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 16 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
10s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 26m 
 7s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 26m 
59s{color} | {color:green} trunk passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 59s{color} | {color:orange} The patch fails to run checkstyle in root 
{color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
43s{color} | {color:red} hadoop-common in trunk failed. {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
41s{color} | {color:red} hadoop-hdfs-client in trunk failed. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
24m 58s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 10m 
41s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  3m 
25s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
34s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
57s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 23m 
20s{color} | {color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red} 23m 20s{color} | 
{color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 23m 20s{color} 
| {color:red} root in the patch failed. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 43s{color} | {color:orange} The patch fails to run checkstyle in root 
{color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
46s{color} | {color:red} hadoop-common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
48s{color} | {color:red} hadoop-hdfs-client in the patch failed. {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
41s{color} | {color:red} hadoop-hdfs in the patch failed. {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} xml {color} | {color:green}  0m  
3s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}  
0m 42s{color} | {color:green} patch has no errors when building and testing our 
client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
38s{color} | {color:red} hadoop-common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
48s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  9m 38s{color} 
| {color:red} hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 35s{color} 
| {color:red} hadoop-hdfs-client in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 27s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:blue}0{color} | {color:blue} asflicense {color} | {color:blue}  0m 
40s{color} | {color:blue} ASF License check generated no output? {color} |
| {color:black}{color} | {color:black} {color} | {color:black}150m  5s{color} | 
{color:black} {color} |
\\
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|| Reason || Tests ||
| Failed junit tests | hadoop.fs.shell.TestCount |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=19.03.6 Server=19.03.6 Image:yetus/hadoop:c44943d1fc3 |
| JIRA Issue | HDFS-15025 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12994294/HDFS-15025.001.patch |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  cc  xml  |
| uname | Linux a96a21009cd3 4.15.0-74-generic #84-Ubuntu SMP Thu Dec 19 
08:06:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / b5698e0 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_242 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out//testptch/patchprocess/maven-branch-checkstyle-root.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/branch-mvnsite-hadoop-common-project_hadoop-common.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/branch-mvnsite-hadoop-hdfs-project_hadoop-hdfs-client.txt
 |
| findbugs | v3.1.0-RC1 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-compile-root.txt
 |
| cc | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-compile-root.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-compile-root.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out//testptch/patchprocess/maven-patch-checkstyle-root.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-mvnsite-hadoop-common-project_hadoop-common.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs-client.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-findbugs-hadoop-common-project_hadoop-common.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-unit-hadoop-common-project_hadoop-common.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-client.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/testReport/ |
| Max. process+thread count | 2772 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common 
hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28833/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Applying NVDIMM storage media to HDFS
> -------------------------------------
>
>                 Key: HDFS-15025
>                 URL: https://issues.apache.org/jira/browse/HDFS-15025
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode, hdfs
>            Reporter: hadoop_hdfs_hw
>            Priority: Major
>         Attachments: Applying NVDIMM to HDFS.pdf, NVDIMM_patch(WIP).patch
>
>
> The non-volatile memory NVDIMM is faster than SSD, it can be used 
> simultaneously with RAM, DISK, SSD. The data of HDFS stored directly on 
> NVDIMM can not only improves the response rate of HDFS, but also ensure the 
> reliability of the data.



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