[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[ https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16119984#comment-16119984 ] Hudson commented on HDFS-12157: --- SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12153 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/12153/]) HDFS-12157. Do fsyncDirectory(..) outside of FSDataset lock. Contributed (kihwal: rev 69afa26f19adad4c630a307c274130eb8b697141) * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java > Do fsyncDirectory(..) outside of FSDataset lock > --- > > Key: HDFS-12157 > URL: https://issues.apache.org/jira/browse/HDFS-12157 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Vinayakumar B >Assignee: Vinayakumar B >Priority: Critical > Attachments: HDFS-12157-01.patch, HDFS-12157-branch-2-01.patch, > HDFS-12157-branch-2.7-01.patch, HDFS-12157-branch-2.7-01.patch > > > HDFS-5042 introduced fsyncDirectory(..) to save blocks from power failure. > Do it outside of FSDataset lock to avoid overall performance degradation if > disk takes more time to sync. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[ https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16119932#comment-16119932 ] Kihwal Lee commented on HDFS-12157: --- +1 LGTM. > Do fsyncDirectory(..) outside of FSDataset lock > --- > > Key: HDFS-12157 > URL: https://issues.apache.org/jira/browse/HDFS-12157 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Vinayakumar B >Assignee: Vinayakumar B >Priority: Critical > Attachments: HDFS-12157-01.patch, HDFS-12157-branch-2-01.patch, > HDFS-12157-branch-2.7-01.patch, HDFS-12157-branch-2.7-01.patch > > > HDFS-5042 introduced fsyncDirectory(..) to save blocks from power failure. > Do it outside of FSDataset lock to avoid overall performance degradation if > disk takes more time to sync. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[ https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16119602#comment-16119602 ] Brahma Reddy Battula commented on HDFS-12157: - will hold for commit till [~kihwal] review once..? > Do fsyncDirectory(..) outside of FSDataset lock > --- > > Key: HDFS-12157 > URL: https://issues.apache.org/jira/browse/HDFS-12157 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Vinayakumar B >Assignee: Vinayakumar B >Priority: Critical > Attachments: HDFS-12157-01.patch, HDFS-12157-branch-2-01.patch, > HDFS-12157-branch-2.7-01.patch, HDFS-12157-branch-2.7-01.patch > > > HDFS-5042 introduced fsyncDirectory(..) to save blocks from power failure. > Do it outside of FSDataset lock to avoid overall performance degradation if > disk takes more time to sync. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[ https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16112587#comment-16112587 ] Vinayakumar B commented on HDFS-12157: -- no test failures are related to this change. > Do fsyncDirectory(..) outside of FSDataset lock > --- > > Key: HDFS-12157 > URL: https://issues.apache.org/jira/browse/HDFS-12157 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Vinayakumar B >Assignee: Vinayakumar B >Priority: Critical > Attachments: HDFS-12157-01.patch, HDFS-12157-branch-2-01.patch, > HDFS-12157-branch-2.7-01.patch, HDFS-12157-branch-2.7-01.patch > > > HDFS-5042 introduced fsyncDirectory(..) to save blocks from power failure. > Do it outside of FSDataset lock to avoid overall performance degradation if > disk takes more time to sync. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[
https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16108367#comment-16108367
]
Hadoop QA commented on HDFS-12157:
--
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 10m
41s{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} branch-2.7 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
8s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
57s{color} | {color:green} branch-2.7 passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
59s{color} | {color:green} branch-2.7 passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
26s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
59s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
52s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
59s{color} | {color:green} branch-2.7 passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
45s{color} | {color:green} branch-2.7 passed with JDK v1.7.0_131 {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
52s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
54s{color} | {color:green} the patch passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
58s{color} | {color:green} the patch passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
58s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
22s{color} | {color:green} hadoop-hdfs-project/hadoop-hdfs: The patch generated
0 new + 125 unchanged - 1 fixed = 125 total (was 126) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
56s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m
0s{color} | {color:red} The patch has 60 line(s) that end in whitespace. Use
git apply --whitespace=fix <>. Refer
https://git-scm.com/docs/git-apply {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
56s{color} | {color:green} the patch passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
43s{color} | {color:green} the patch passed with JDK v1.7.0_131 {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 43m 38s{color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_131. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
18s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}130m 13s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_131 Failed junit tests | hadoop.hdfs.web.TestHttpsFileSystem |
| | hadoop.hdfs.server.namenode.snapshot.TestRenameWithSnapshots |
| JDK v1.7.0_131 Failed junit tests |
hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes |
| | hadoop.hdfs.TestDFSShell |
| | hadoop.hdfs.web.TestHttpsFileSystem |
| | hadoop.hdfs.server.datanode.TestDirectoryScanner |
| | hadoop.hdfs.server.namenode.snapshot.TestRenameWithSnapshots |
\\
\\
|| Subsystem || Report/Notes ||
| Docker |
[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[
https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16104867#comment-16104867
]
Brahma Reddy Battula commented on HDFS-12157:
-
+1, looks jenkins didn't run on {{branch-2.7}} patch.
> Do fsyncDirectory(..) outside of FSDataset lock
> ---
>
> Key: HDFS-12157
> URL: https://issues.apache.org/jira/browse/HDFS-12157
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Vinayakumar B
>Assignee: Vinayakumar B
>Priority: Critical
> Attachments: HDFS-12157-01.patch, HDFS-12157-branch-2-01.patch,
> HDFS-12157-branch-2.7-01.patch
>
>
> HDFS-5042 introduced fsyncDirectory(..) to save blocks from power failure.
> Do it outside of FSDataset lock to avoid overall performance degradation if
> disk takes more time to sync.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
-
To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[ https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16095777#comment-16095777 ] Vinayakumar B commented on HDFS-12157: -- Failures seems to be unrelated > Do fsyncDirectory(..) outside of FSDataset lock > --- > > Key: HDFS-12157 > URL: https://issues.apache.org/jira/browse/HDFS-12157 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Vinayakumar B >Assignee: Vinayakumar B >Priority: Critical > Attachments: HDFS-12157-01.patch, HDFS-12157-branch-2-01.patch, > HDFS-12157-branch-2.7-01.patch > > > HDFS-5042 introduced fsyncDirectory(..) to save blocks from power failure. > Do it outside of FSDataset lock to avoid overall performance degradation if > disk takes more time to sync. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[
https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16095094#comment-16095094
]
Hadoop QA commented on HDFS-12157:
--
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
15s{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} branch-2 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
57s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
40s{color} | {color:green} branch-2 passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
44s{color} | {color:green} branch-2 passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
29s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
52s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
56s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
39s{color} | {color:green} branch-2 passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
1s{color} | {color:green} branch-2 passed with JDK v1.7.0_131 {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
37s{color} | {color:green} the patch passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
37s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
40s{color} | {color:green} the patch passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
40s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
48s{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} findbugs {color} | {color:green} 2m
7s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
35s{color} | {color:green} the patch passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
57s{color} | {color:green} the patch passed with JDK v1.7.0_131 {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 49m 59s{color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_131. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
27s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}134m 59s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_131 Failed junit tests |
hadoop.hdfs.server.datanode.TestDirectoryScanner |
| JDK v1.8.0_131 Timed out junit tests |
org.apache.hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
| JDK v1.7.0_131 Failed junit tests |
hadoop.hdfs.server.blockmanagement.TestReplicationPolicyWithUpgradeDomain |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:5e40efe |
| JIRA Issue | HDFS-12157 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12878202/HDFS-12157-branch-2-01.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 00afd4fa8122 3.13.0-119-generic #166-Ubuntu SMP Wed
[jira] [Commented] (HDFS-12157) Do fsyncDirectory(..) outside of FSDataset lock
[
https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16091982#comment-16091982
]
Hadoop QA commented on HDFS-12157:
--
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| 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} @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} 14m
24s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
1s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
42s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
6s{color} | {color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m
3s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs in trunk has 10 extant
Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
47s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
40s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
2s{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} findbugs {color} | {color:green} 2m
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
50s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 82m 18s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
24s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}111m 40s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestDFSStripedInputStreamWithRandomECPolicy |
| | hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure090 |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 |
| | hadoop.hdfs.server.datanode.TestDirectoryScanner |
| | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-12157 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12877835/HDFS-12157-01.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux ed9da5ef022c 3.13.0-123-generic #172-Ubuntu SMP Mon Jun 26
18:04:35 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 0b7afc0 |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| findbugs |
https://builds.apache.org/job/PreCommit-HDFS-Build/20327/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/20327/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/20327/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
|
