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https://issues.apache.org/jira/browse/HDFS-15744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17253355#comment-17253355
]
Hadoop QA commented on HDFS-15744:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
42s{color} | {color:blue}{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m
0s{color} | {color:green}{color} | {color:green} No case conflicting files
found. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green}{color} | {color:green} The patch does not contain any
@author tags. {color} |
| {color:green}+1{color} | {color:green} {color} | {color:green} 0m 0s{color}
| {color:green}test4tests{color} | {color:green} The patch appears to include 1
new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m
7s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
20s{color} | {color:green}{color} | {color:green} trunk passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
14s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private
Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
59s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
22s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
17m 23s{color} | {color:green}{color} | {color:green} branch has no errors when
building and testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
53s{color} | {color:green}{color} | {color:green} trunk passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
24s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private
Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 3m
8s{color} | {color:blue}{color} | {color:blue} Used deprecated FindBugs config;
considering switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
6s{color} | {color:green}{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
13s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
13s{color} | {color:green}{color} | {color:green} the patch passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
13s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
7s{color} | {color:green}{color} | {color:green} the patch passed with JDK
Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
7s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 51s{color} |
{color:orange}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/373/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt{color}
| {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 8 new +
466 unchanged - 1 fixed = 474 total (was 467) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
14s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green}{color} | {color:green} The patch has no whitespace
issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
15m 0s{color} | {color:green}{color} | {color:green} patch has no errors when
building and testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
49s{color} | {color:green}{color} | {color:green} the patch passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
26s{color} | {color:green}{color} | {color:green} the patch passed with JDK
Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
7s{color} | {color:green}{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 68m 34s{color}
|
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/373/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt{color}
| {color:red} hadoop-hdfs in the patch passed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m
40s{color} |
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/373/artifact/out/patch-asflicense-problems.txt{color}
| {color:red} The patch generated 3 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}144m 32s{color} |
{color:black}{color} | {color:black}{color} |
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|| Reason || Tests ||
| Failed junit tests |
hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks |
| | hadoop.tools.TestHdfsConfigFields |
| | hadoop.hdfs.server.datanode.TestTriggerBlockReport |
| | hadoop.hdfs.server.datanode.TestDataNodeUUID |
| | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
| | hadoop.hdfs.server.blockmanagement.TestSlowDiskTracker |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/373/artifact/out/Dockerfile
|
| JIRA Issue | HDFS-15744 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13017486/HDFS-15744-001.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux a91c9f1431f4 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 4ae561bcb45 |
| Default Java | Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| Test Results |
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/373/testReport/ |
| Max. process+thread count | 3765 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/373/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=4.0.6 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
This message was automatically generated.
> Use cumulative counting way to improve the accuracy of slow disk detection
> --------------------------------------------------------------------------
>
> Key: HDFS-15744
> URL: https://issues.apache.org/jira/browse/HDFS-15744
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haibin Huang
> Assignee: Haibin Huang
> Priority: Major
> Attachments: HDFS-15744-001.patch, image-2020-12-22-11-37-14-734.png,
> image-2020-12-22-11-37-35-280.png, image-2020-12-22-11-46-48-817.png
>
>
> Hdfs has supported the datanode disk outlier detection in
> [HDFS-11461|https://issues.apache.org/jira/browse/HDFS-11461], we can use it
> to find out slow disk via
> SlowDiskReport([HDFS-11551|https://issues.apache.org/jira/browse/HDFS-11551]).However
> i found the slow disk information may not be accurate enough in practice.
> Because a large number of short-term writes can lead to miscalculation. Here
> is the example, this disk is health, when it encounters a lot of writing in a
> few minute, it's write io does get slow, and will be considered to be slow
> disk.The disk just slow in a few minute but SlowDiskReport will keep it until
> the information becomes invalid. This scenario confuse us since we want to
> use SlowDiskReport to detect the real bad disk.
> !image-2020-12-22-11-37-14-734.png!
> !image-2020-12-22-11-37-35-280.png!
> To improve the deteciton accuracy, we use a cumulative counting way to detect
> slow disk. If within the reportValidityMs interval, a disk is considered to
> be outlier over 50% times, than it should be a real bad disk.
> Here is an exsample, if reportValidityMs is one hour and detection interval
> is five minute, there will be 12 times disk outlier detection in one hour. If
> a disk is considered to be outlier over 6 times, it should be a real bad
> disk. We use this way to detect bad disk in cluster, it can reach over 90%
> accuracy.
> !image-2020-12-22-11-46-48-817.png!
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