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https://issues.apache.org/jira/browse/HDFS-14069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16708011#comment-16708011
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Hadoop QA commented on HDFS-14069:
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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} 17m
13s{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} 26m
56s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
2s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
7s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
14m 16s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
2s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
57s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
11s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
57s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 56s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch
generated 11 new + 649 unchanged - 0 fixed = 660 total (was 649) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
56s{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} xml {color} | {color:green} 0m
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
13m 1s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
45s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}101m 7s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
33s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}185m 37s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.TestNameNodeMXBean |
| | hadoop.hdfs.server.namenode.sps.TestBlockStorageMovementAttemptedItems |
| | hadoop.hdfs.server.namenode.TestReencryption |
| | hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes |
| | hadoop.hdfs.TestErasureCodingExerciseAPIs |
| | hadoop.hdfs.TestQuota |
| | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
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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-14069 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12950449/HDFS-14069.002.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle xml |
| uname | Linux 6009ac1890e4 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / fb9deed |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/25703/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/25703/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/25703/testReport/ |
| Max. process+thread count | 2633 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/25703/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Better debuggability for datanode decommissioning
> -------------------------------------------------
>
> Key: HDFS-14069
> URL: https://issues.apache.org/jira/browse/HDFS-14069
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, hdfs, namenode
> Reporter: Danny Becker
> Assignee: Danny Becker
> Priority: Major
> Attachments: HDFS-14069.000.patch, HDFS-14069.001.patch,
> HDFS-14069.002.patch
>
>
> Currently, we don't provide any debugging info for decommissioning DN, it is
> difficult to determine which blocks are on their last replica. We have two
> design options:
> # Add block info for blocks with low replication (configurable)
> ** Advantages:
> *** Initial debugging information would be more thorough
> *** Easier initial implementation
> ** Disadvantages:
> *** Add load to normal NN operation by checking every time a DN is
> decommissioned
> *** More difficult to add debugging information later on
> # Create a new api for querying more detailed info about one DN
> ** Advantages:
> *** We wouldnt be adding more load to the NN in normal operation
> *** Much easier to extend in the future with more info
> ** Disadvantages:
> *** Getting the info on demand for this case will be much more expensive
> actually, cause we will have to find all the blocks on that DN, and then go
> through all the blocks again and count how many replicas we have etc.
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