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https://issues.apache.org/jira/browse/HBASE-22628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16887252#comment-16887252
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HBase QA commented on HBASE-22628:
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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
55s{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:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m
24s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} refguide {color} | {color:blue} 11m
50s{color} | {color:blue} branch has no errors when building the reference
guide. See footer for rendered docs, which you should manually inspect. {color}
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|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m
21s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m
0s{color} | {color:red} The patch has 1 line(s) that end in whitespace. Use git
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply
{color} |
| {color:blue}0{color} | {color:blue} refguide {color} | {color:blue} 7m
52s{color} | {color:blue} patch has no errors when building the reference
guide. See footer for rendered docs, which you should manually inspect. {color}
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|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
15s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 29m 57s{color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=18.09.7 Server=18.09.7 base:
https://builds.apache.org/job/PreCommit-HBASE-Build/644/artifact/patchprocess/Dockerfile
|
| JIRA Issue | HBASE-22628 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12975071/HBASE-22628.patch |
| Optional Tests | dupname asflicense refguide |
| uname | Linux 1a9d2e3a18f7 4.4.0-137-generic #163-Ubuntu SMP Mon Sep 24
13:14:43 UTC 2018 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/hbase-personality.sh |
| git revision | master / 82ea04dbab |
| maven | version: Apache Maven 3.5.4
(1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) |
| refguide |
https://builds.apache.org/job/PreCommit-HBASE-Build/644/artifact/patchprocess/branch-site/book.html
|
| whitespace |
https://builds.apache.org/job/PreCommit-HBASE-Build/644/artifact/patchprocess/whitespace-eol.txt
|
| refguide |
https://builds.apache.org/job/PreCommit-HBASE-Build/644/artifact/patchprocess/patch-site/book.html
|
| Max. process+thread count | 95 (vs. ulimit of 10000) |
| modules | C: . U: . |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/644/console |
| Powered by | Apache Yetus 0.9.0 http://yetus.apache.org |
This message was automatically generated.
> Document the custom WAL directory (hbase.wal.dir) usage
> -------------------------------------------------------
>
> Key: HBASE-22628
> URL: https://issues.apache.org/jira/browse/HBASE-22628
> Project: HBase
> Issue Type: Bug
> Components: documentation, wal
> Reporter: Pankaj Kumar
> Assignee: Pankaj Kumar
> Priority: Critical
> Fix For: 3.0.0
>
> Attachments: HBASE-22628.patch
>
>
> Custom WAL directory usage must be documented, otherwise it may lead to
> inconsistent data during migrating to new WAL dir path.
>
> You can consider below scenario while migrating to custom WAL directory.
> # Setup HBase cluster with the default setting (all WAL files are under the
> root directory ie. /hbase/WALs).
> # Create table 't1' and insert few records
> # Flush meta table (so that table region entries persist in FS)
> # Forcibly kill HBase processes (HM & RS).
> # Configure the hbase.wal.dir to outside the root dir (say /hbaseWAL)
> # Start the HBase servers
> # Scan 't1'
> Ideally HMaster should submit split task of old RS(s) WAL files (created
> under /hbase/WALs) and old data should be replayed. But currently, during HM
> startup we populate the previous dead servers from the current WAL dir (
> hbase.wal.dir -> /hbaseWAL).
>
> Since WAL dir path is new, so you need to copy RegionServer WAL directories
> manualy from old WAL dir to new path.
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