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https://issues.apache.org/jira/browse/HDFS-15160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17308455#comment-17308455
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Hadoop QA commented on HDFS-15160:
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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} 21m
8s{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} branch-3.3 Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m
27s{color} | {color:green}{color} | {color:green} branch-3.3 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
13s{color} | {color:green}{color} | {color:green} branch-3.3 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
7s{color} | {color:green}{color} | {color:green} branch-3.3 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
21s{color} | {color:green}{color} | {color:green} branch-3.3 passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
17m 29s{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} 1m
31s{color} | {color:green}{color} | {color:green} branch-3.3 passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 22m
3s{color} | {color:blue}{color} | {color:blue} Both FindBugs and SpotBugs are
enabled, using SpotBugs. {color} |
| {color:green}+1{color} | {color:green} spotbugs {color} | {color:green} 3m
5s{color} | {color:green}{color} | {color:green} branch-3.3 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
10s{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 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
7s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
57s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
10s{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} xml {color} | {color:green} 0m
2s{color} | {color:green}{color} | {color:green} The patch has no ill-formed
XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
14m 36s{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} 1m
24s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} spotbugs {color} | {color:green} 3m
6s{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}184m 14s{color}
|
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/557/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt{color}
| {color:red} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
47s{color} | {color:green}{color} | {color:green} The patch does not generate
ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}275m 59s{color} |
{color:black}{color} | {color:black}{color} |
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|| Reason || Tests ||
| Failed junit tests |
hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks |
| | hadoop.hdfs.TestGetFileChecksum |
| | hadoop.hdfs.server.datanode.TestBPOfferService |
| | hadoop.hdfs.server.namenode.ha.TestStandbyCheckpoints |
| | hadoop.hdfs.TestReconstructStripedFile |
| | hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy |
| | hadoop.hdfs.TestStripedFileAppend |
| | hadoop.hdfs.server.diskbalancer.TestDiskBalancer |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/557/artifact/out/Dockerfile
|
| JIRA Issue | HDFS-15160 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13022920/HDFS-15160-branch-3.3-001.patch
|
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle spotbugs xml |
| uname | Linux e5968d5ee2c3 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 | branch-3.3 / 4db5643ff94 |
| Default Java | Private Build-1.8.0_282-8u282-b08-0ubuntu1~18.04-b08 |
| Test Results |
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/557/testReport/ |
| Max. process+thread count | 3289 (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/557/console |
| versions | git=2.17.1 maven=3.6.0 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
This message was automatically generated.
> ReplicaMap, Disk Balancer, Directory Scanner and various FsDatasetImpl
> methods should use datanode readlock
> -----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-15160
> URL: https://issues.apache.org/jira/browse/HDFS-15160
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 3.3.0
> Reporter: Stephen O'Donnell
> Assignee: Stephen O'Donnell
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Attachments: HDFS-15160-branch-3.3-001.patch, HDFS-15160.001.patch,
> HDFS-15160.002.patch, HDFS-15160.003.patch, HDFS-15160.004.patch,
> HDFS-15160.005.patch, HDFS-15160.006.patch, HDFS-15160.007.patch,
> HDFS-15160.008.patch, HDFS-15160.branch-3-3.001.patch,
> image-2020-04-10-17-18-08-128.png, image-2020-04-10-17-18-55-938.png
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Now we have HDFS-15150, we can start to move some DN operations to use the
> read lock rather than the write lock to improve concurrence. The first step
> is to make the changes to ReplicaMap, as many other methods make calls to it.
> This Jira switches read operations against the volume map to use the readLock
> rather than the write lock.
> Additionally, some methods make a call to replicaMap.replicas() (eg
> getBlockReports, getFinalizedBlocks, deepCopyReplica) and only use the result
> in a read only fashion, so they can also be switched to using a readLock.
> Next is the directory scanner and disk balancer, which only require a read
> lock.
> Finally (for this Jira) are various "low hanging fruit" items in BlockSender
> and fsdatasetImpl where is it fairly obvious they only need a read lock.
> For now, I have avoided changing anything which looks too risky, as I think
> its better to do any larger refactoring or risky changes each in their own
> Jira.
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