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https://issues.apache.org/jira/browse/HDFS-13984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16672560#comment-16672560
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Hadoop QA commented on HDFS-13984:
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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
14s{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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 21m
24s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
42s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
21s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
35m 24s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
44s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red} 1m 44s{color} |
{color:red} hadoop-hdfs-project_hadoop-hdfs-native-client generated 4 new + 2
unchanged - 0 fixed = 6 total (was 2) {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
16s{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} shadedclient {color} | {color:green}
13m 18s{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} 5m 34s{color}
| {color:red} hadoop-hdfs-native-client in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
25s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 58m 14s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed CTEST tests | test_test_libhdfs_threaded_hdfs_static |
| | test_libhdfs_threaded_hdfspp_test_shim_static |
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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-13984 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12946638/HDFS-13984.002.patch |
| Optional Tests | dupname asflicense compile cc mvnsite javac unit |
| uname | Linux 5b2f6ba2ef93 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9
14:43:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / d16d5f7 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| cc |
https://builds.apache.org/job/PreCommit-HDFS-Build/25415/artifact/out/diff-compile-cc-hadoop-hdfs-project_hadoop-hdfs-native-client.txt
|
| CTEST |
https://builds.apache.org/job/PreCommit-HDFS-Build/25415/artifact/out/patch-hadoop-hdfs-project_hadoop-hdfs-native-client-ctest.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/25415/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-native-client.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/25415/testReport/ |
| Max. process+thread count | 339 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-native-client U:
hadoop-hdfs-project/hadoop-hdfs-native-client |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/25415/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> getFileInfo of libhdfs call NameNode#getFileStatus twice
> --------------------------------------------------------
>
> Key: HDFS-13984
> URL: https://issues.apache.org/jira/browse/HDFS-13984
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
> Reporter: Jiandan Yang
> Assignee: Jiandan Yang
> Priority: Major
> Attachments: HDFS-13984.001.patch, HDFS-13984.002.patch
>
>
> getFileInfo in hdfs.c calls *FileSystem#exists* first, then calls
> *FileSystem#getFileStatus*.
> *FileSystem#exists* also call *FileSystem#getFileStatus*, just as follows:
> {code:java}
> public boolean exists(Path f) throws IOException {
> try {
> return getFileStatus(f) != null;
> } catch (FileNotFoundException e) {
> return false;
> }
> }
> {code}
> and finally this leads to call NameNodeRpcServer#getFileInfo twice.
> Actually we can implement by calling once.
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