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https://issues.apache.org/jira/browse/HBASE-22057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16799344#comment-16799344
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Hadoop QA commented on HBASE-22057:
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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
14s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m
0s{color} | {color:green} Patch does not have any anti-patterns. {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} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m
46s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
19s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
13s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 4m
9s{color} | {color:green} branch has no errors when building our shaded
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
26s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
11s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m
47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
20s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
13s{color} | {color:red} hbase-zookeeper: The patch generated 5 new + 0
unchanged - 0 fixed = 5 total (was 0) {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} shadedjars {color} | {color:green} 4m
10s{color} | {color:green} patch has no errors when building our shaded
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}
8m 0s{color} | {color:green} Patch does not cause any errors with Hadoop 2.7.4
or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
36s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
13s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
46s{color} | {color:green} hbase-zookeeper in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
10s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 28m 0s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:b002b0b |
| JIRA Issue | HBASE-22057 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12963445/HBASE-22057.002.patch
|
| Optional Tests | dupname asflicense javac javadoc unit findbugs
shadedjars hadoopcheck hbaseanti checkstyle compile |
| uname | Linux 6f75f7d1cfcb 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2
17:16:02 UTC 2018 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | master / 7e3ca7063c |
| maven | version: Apache Maven 3.5.4
(1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.11 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HBASE-Build/16494/artifact/patchprocess/diff-checkstyle-hbase-zookeeper.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/16494/testReport/ |
| Max. process+thread count | 293 (vs. ulimit of 10000) |
| modules | C: hbase-zookeeper U: hbase-zookeeper |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/16494/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Impose upper-bound on size of ZK ops sent in a single multi()
> -------------------------------------------------------------
>
> Key: HBASE-22057
> URL: https://issues.apache.org/jira/browse/HBASE-22057
> Project: HBase
> Issue Type: Bug
> Reporter: Josh Elser
> Assignee: Josh Elser
> Priority: Major
> Fix For: 3.0.0, 1.6.0, 2.2.0
>
> Attachments: HBASE-22057.001.patch, HBASE-22057.002.patch
>
>
> In {{ZKUtil#multiOrSequential}}, we accept a list of {{ZKUtilOp}}'s to pass
> down to the {{ZooKeeper#multi(Iterable<Op>)}} method.
> One problem with this approach is that we may generate a large list of ZNodes
> to mutate in one batch which exceeds the allowable client package length,
> specified by {{jute.maxbuffer}}.
> This problem can manifest when we have a large number of WALs to replicate,
> queued in ZooKeeper, from a disabled peer. When that peer is dropped, the RS
> would submit deletes of those queued WALs. The RS will see ConnectionLoss for
> the resulting {{multi()}} calls it tries to make, because we are sending too
> large of a client message (because we're trying to delete too many WALs at
> once). The result (at least in branch-1 ish versions) is that the RS aborts
> after exceeding the ZK retries (as this operation will never succeed).
> A simple fix would be to impose a maximum number of Ops to run in a single
> batch inside ZKUtil, and split apart the caller-submitted batch into smaller
> chunks. Before we make such a change, I do need to make sure that we don't
> have any expectations on atomicity of the operations. I'm not sure what ZK
> provides here -- for the above example, splitting up batches of deletes is
> not an issue, but there could be issues with batches of creates where we only
> apply some.
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