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https://issues.apache.org/jira/browse/HDFS-14267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16766597#comment-16766597
 ] 

Hadoop QA commented on HDFS-14267:
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| (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 
13s{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:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  
0s{color} | {color:red} 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} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
20s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 15m 
49s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
57s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
20s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}  
9m 57s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
11s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 7s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  2m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  2m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}  0m 
 0s{color} | {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} shelldocs {color} | {color:green}  0m 
13s{color} | {color:green} There were no new shelldocs issues. {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 12 line(s) that end in whitespace. Use 
git apply --whitespace=fix <<patch_file>>. Refer 
https://git-scm.com/docs/git-apply {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
10m 37s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 74m 19s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  5m 31s{color} 
| {color:red} hadoop-hdfs-native-client in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
31s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}128m 19s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed CTEST tests | test_test_libhdfs_ops_hdfs_static |
| Failed junit tests | 
hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistReplicaRecovery |
|   | hadoop.hdfs.web.TestWebHdfsTimeouts |
|   | hadoop.hdfs.qjournal.server.TestJournalNodeSync |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDFS-14267 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12958447/HDFS-14267.001.patch |
| Optional Tests |  dupname  asflicense  compile  cc  mvnsite  javac  unit  
shellcheck  shelldocs  |
| uname | Linux 60d8de999c61 4.4.0-139-generic #165-Ubuntu SMP Wed Oct 24 
10:58:50 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 3dc2523 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| shellcheck | v0.4.6 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26197/artifact/out/whitespace-eol.txt
 |
| CTEST | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26197/artifact/out/patch-hadoop-hdfs-project_hadoop-hdfs-native-client-ctest.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26197/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26197/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-native-client.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26197/testReport/ |
| Max. process+thread count | 4079 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs 
hadoop-hdfs-project/hadoop-hdfs-native-client U: hadoop-hdfs-project |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26197/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Add test_libhdfs_ops to libhdfs tests, mark libhdfs_read/write.c as examples
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-14267
>                 URL: https://issues.apache.org/jira/browse/HDFS-14267
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: libhdfs, native, test
>            Reporter: Sahil Takiar
>            Priority: Major
>         Attachments: HDFS-14267.001.patch
>
>
> {{test_libhdfs_ops.c}} provides test coverage for basic operations against 
> libhdfs, but currently has to be run manually (e.g. {{mvn install}} does not 
> run these tests). The goal of this patch is to add {{test_libhdfs_ops.c}} to 
> the list of tests that are automatically run for libhdfs.
> It looks like {{test_libhdfs_ops.c}} was used in conjunction with 
> {{hadoop-hdfs-project/hadoop-hdfs/src/main/native/tests/test-libhdfs.sh}} to 
> run some tests against a mini DFS cluster. Now that the 
> {{NativeMiniDfsCluster}} exists, it makes more sense to use that rather than 
> rely on an external bash script to start a mini DFS cluster.
> The {{libhdfs-tests}} directory (which contains {{test_libhdfs_ops.c}}) 
> contains two other files: {{test_libhdfs_read.c}} and 
> {{test_libhdfs_write.c}}. At some point, these files might have been used in 
> conjunction with {{test-libhdfs.sh}} to run some tests manually. However, 
> they (1) largely overlap with the test coverage provided by 
> {{test_libhdfs_ops.c}} and (2) are not designed to be run as unit tests. Thus 
> I suggest we move these two files into a new folder called 
> {{libhdfs-examples}} and use them to further document how users of libhdfs 
> can use the API. We can move {{test-libhdfs.sh}} into the examples folder as 
> well given that example files probably require the script to actually work.



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