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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12093) [READ] Share remoteFS between ProvidedReplica instances.
Date Mon, 07 Aug 2017 20:43:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16117230#comment-16117230
] 

Hadoop QA commented on HDFS-12093:
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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}  0m 17s{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 1 new or modified test files. {color} |
|| || || || {color:brown} HDFS-9806 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 13m 35s{color}
| {color:green} HDFS-9806 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 48s{color} |
{color:green} HDFS-9806 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 36s{color}
| {color:green} HDFS-9806 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 57s{color} |
{color:green} HDFS-9806 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 52s{color} |
{color:green} HDFS-9806 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 42s{color} |
{color:green} HDFS-9806 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 52s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 48s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 48s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 35s{color}
| {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 3 new + 14 unchanged
- 0 fixed = 17 total (was 14) {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} findbugs {color} | {color:green}  1m 59s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 42s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 68m  4s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 20s{color} | {color:red}
The patch generated 2 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 94m 28s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestDFSRSDefault10x4StripedOutputStreamWithFailure |
|   | hadoop.hdfs.server.balancer.TestBalancer |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure160 |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-12093 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12880688/HDFS-12093-HDFS-9806.002.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux f8c3f62d0b10 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 14:13:22 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | HDFS-9806 / 77b671c |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/20582/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/20582/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/20582/testReport/ |
| asflicense | https://builds.apache.org/job/PreCommit-HDFS-Build/20582/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/20582/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> [READ] Share remoteFS between ProvidedReplica instances.
> --------------------------------------------------------
>
>                 Key: HDFS-12093
>                 URL: https://issues.apache.org/jira/browse/HDFS-12093
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Ewan Higgs
>         Attachments: HDFS-12093-HDFS-9806.001.patch, HDFS-12093-HDFS-9806.002.patch
>
>
> When a Datanode comes online using Provided storage, it fills the {{ReplicaMap}} with
the known replicas. With Provided Storage, this includes {{ProvidedReplica}} instances. Each
of these objects, in their constructor, will construct an FileSystem using the Service Provider.
This can result in contacting the remote file system and checking that the credentials are
correct and that the data is there. For large systems this is a prohibitively expensive operation
to perform per replica.
> Instead, the {{ProvidedVolumeImpl}} should own the reference to the {{remoteFS}} and
should share it with the {{ProvidedReplica}} objects on their creation.



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