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https://issues.apache.org/jira/browse/HDFS-12506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177883#comment-16177883
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Hadoop QA commented on HDFS-12506:
----------------------------------
| (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
20s{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 3 new or modified test
files. {color} |
|| || || || {color:brown} HDFS-7240 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} 16m
57s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m
4s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
51s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m
2s{color} | {color:green} HDFS-7240 passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m
11s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs-client in HDFS-7240
has 1 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
47s{color} | {color:green} HDFS-7240 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
8s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
32s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
34s{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} 3m
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
41s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m
30s{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}121m 16s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
21s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}164m 18s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.datanode.TestDirectoryScanner |
| | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureToleration |
| | hadoop.hdfs.TestReadStripedFileWithMissingBlocks |
| | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
| | hadoop.hdfs.server.datanode.TestDataNodeHotSwapVolumes |
| Timed out junit tests | org.apache.hadoop.hdfs.TestLeaseRecovery2 |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:71bbb86 |
| JIRA Issue | HDFS-12506 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12888712/HDFS-12506-HDFS-7240.005.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux e750081ed5ce 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11
12:48:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | HDFS-7240 / 16dd69a |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC1 |
| findbugs |
https://builds.apache.org/job/PreCommit-HDFS-Build/21323/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-client-warnings.html
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/21323/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/21323/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client
hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/21323/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Ozone: ListBucket is too slow
> -----------------------------
>
> Key: HDFS-12506
> URL: https://issues.apache.org/jira/browse/HDFS-12506
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Blocker
> Labels: ozoneMerge, performance
> Attachments: HDFS-12506-HDFS-7240.001.patch,
> HDFS-12506-HDFS-7240.002.patch, HDFS-12506-HDFS-7240.003.patch,
> HDFS-12506-HDFS-7240.004.patch, HDFS-12506-HDFS-7240.005.patch,
> HDFS-12506-HDFS-7240.006.patch
>
>
> Generated 3 million keys in ozone, and run {{listBucket}} command to get a
> list of buckets under a volume,
> {code}
> bin/hdfs oz -listBucket http://15oz1.fyre.ibm.com:9864/vol-0-15143 -user wwei
> {code}
> this call spent over *15 seconds* to finish. The problem was caused by the
> inflexible structure of KSM DB. Right now {{ksm.db}} stores keys like
> following
> {code}
> /v1/b1
> /v1/b1/k1
> /v1/b1/k2
> /v1/b1/k3
> /v1/b2
> /v1/b2/k1
> /v1/b2/k2
> /v1/b2/k3
> /v1/b3
> /v1/b4
> {code}
> keys are sorted in nature order so when we do list buckets under a volume e.g
> /v1, we need to seek to /v1 point and start to iterate and filter keys, this
> ends up with scanning all keys under volume /v1. The problem with this design
> is we don't have an efficient approach to locate all buckets without scanning
> the keys.
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