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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15891) Provide Regex Based Mount Point In Inode Tree
Date Fri, 02 Nov 2018 03:22:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16672529#comment-16672529
] 

Hadoop QA commented on HADOOP-15891:
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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 15s{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 5 new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m  4s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 21m  3s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 17m  7s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  3m 25s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 35s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 18m 46s{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}  3m 52s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 54s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 20s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 50s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 15m  0s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 15m  0s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  3m 17s{color}
| {color:orange} root: The patch generated 1 new + 93 unchanged - 3 fixed = 94 total (was
96) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 22s{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} 12m 22s{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}  3m 55s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 54s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  8m 55s{color} | {color:green}
hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 80m 51s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 54s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}198m 39s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.balancer.TestBalancer |
|   | hadoop.hdfs.server.namenode.ha.TestDFSUpgradeWithHA |
|   | hadoop.hdfs.server.datanode.TestDataNodeErasureCodingMetrics |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HADOOP-15891 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12946610/HDFS-13948.009.patch
|
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit
 shadedclient  findbugs  checkstyle  |
| uname | Linux ca217107f50f 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9 14:43:09 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / d174b91 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/15455/artifact/out/diff-checkstyle-root.txt
|
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/15455/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/15455/testReport/ |
| Max. process+thread count | 3515 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs U: . |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/15455/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Provide Regex Based Mount Point In Inode Tree
> ---------------------------------------------
>
>                 Key: HADOOP-15891
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15891
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs
>            Reporter: zhenzhao wang
>            Assignee: zhenzhao wang
>            Priority: Major
>         Attachments: HDFS-13948.001.patch, HDFS-13948.002.patch, HDFS-13948.003.patch,
HDFS-13948.004.patch, HDFS-13948.005.patch, HDFS-13948.006.patch, HDFS-13948.007.patch, HDFS-13948.008.patch,
HDFS-13948.009.patch, HDFS-13948_ Regex Link Type In Mont Table-V0.pdf, HDFS-13948_ Regex
Link Type In Mount Table-v1.pdf
>
>
> This jira is created to support regex based mount point in Inode Tree. We noticed that
mount point only support fixed target path. However, we might have user cases when target
needs to refer some fields from source. e.g. We might want a mapping of /cluster1/user1 =>
/cluster1-dc1/user-nn-user1, we want to refer `cluster` and `user` field in source to construct
target. It's impossible to archive this with current link type. Though we could set one-to-one
mapping, the mount table would become bloated if we have thousands of users. Besides, a regex
mapping would empower us more flexibility. So we are going to build a regex based mount point
which target could refer groups from src regex mapping. 



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