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From "genericqa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13284) Adjust criteria for LowRedundancyBlocks.QUEUE_VERY_LOW_REDUNDANCY
Date Fri, 16 Mar 2018 20:43:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16402507#comment-16402507
] 

genericqa commented on HDFS-13284:
----------------------------------

| (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 30s{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 2 new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 19m 11s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  2s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 51s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 10s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 11m 55s{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  7s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 58s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 12s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  7s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  7s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 51s{color}
| {color:green} hadoop-hdfs-project/hadoop-hdfs: The patch generated 0 new + 58 unchanged
- 3 fixed = 58 total (was 61) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 10s{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} shadedclient {color} | {color:green} 11m 12s{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 15s{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 {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}115m  6s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 28s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}171m 40s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.datanode.TestDataNodeMultipleRegistrations |
|   | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:d4cc50f |
| JIRA Issue | HDFS-13284 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12914899/HDFS-13284.001.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  shadedclient
 findbugs  checkstyle  |
| uname | Linux 460b5053fb62 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18 11:55:51 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 08ff158 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/23519/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/23519/testReport/ |
| Max. process+thread count | 2869 (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/23519/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Adjust criteria for LowRedundancyBlocks.QUEUE_VERY_LOW_REDUNDANCY
> -----------------------------------------------------------------
>
>                 Key: HDFS-13284
>                 URL: https://issues.apache.org/jira/browse/HDFS-13284
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs, namenode
>            Reporter: Lukas Majercak
>            Assignee: Lukas Majercak
>            Priority: Major
>         Attachments: HDFS-13284.000.patch, HDFS-13284.001.patch
>
>
> LowRedundancyBlocks currently has 5 priority queues:
> QUEUE_HIGHEST_PRIORITY = 0                         - reserved for last replica
blocks
>  QUEUE_VERY_LOW_REDUNDANCY = 1             - *if ((curReplicas * 3) < expectedReplicas)*
>  QUEUE_LOW_REDUNDANCY = 2                         - the rest
>  QUEUE_REPLICAS_BADLY_DISTRIBUTED = 3
>  QUEUE_WITH_CORRUPT_BLOCKS = 4
> The problem lies in  QUEUE_VERY_LOW_REDUNDANCY. Currently, a block that has curReplicas=2
and expectedReplicas=4 is treated the same as a block with curReplicas=3 and expectedReplicas=4.
A block with 2/3 replicas is also put into QUEUE_LOW_REDUNDANCY. 
> The proposal is to change the *{{if ((curReplicas * 3) < expectedReplicas)}}* check
to *{{if ((curReplicas * 2) <= expectedReplicas || curReplicas == 2)}}*
>  



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