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https://issues.apache.org/jira/browse/RATIS-794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17022804#comment-17022804
]
Hadoop QA commented on RATIS-794:
---------------------------------
| (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
52s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
0s{color} | {color:blue} Findbugs executables are not available. {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} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m
16s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m
34s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
10s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
19s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
43s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
5s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
13s{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} javadoc {color} | {color:green} 0m
37s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 39m 2s{color}
| {color:red} root in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
21s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 49m 24s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | ratis.logservice.TestLogServiceWithNetty |
| | ratis.logservice.TestLogServiceWithGrpc |
| | ratis.grpc.TestServerRestartWithGrpc |
| | ratis.grpc.TestRaftWithGrpc |
| | ratis.grpc.TestRaftStateMachineExceptionWithGrpc |
| | ratis.netty.TestRaftStateMachineExceptionWithNetty |
| | ratis.netty.TestRaftSnapshotWithNetty |
| | ratis.grpc.TestRaftAsyncWithGrpc |
| | ratis.server.simulation.TestRaftSnapshotWithSimulatedRpc |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.5 Server=19.03.5 Image:yetus/ratis:date2020-01-24 |
| JIRA Issue | RATIS-794 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12991719/r794_20200124.patch |
| Optional Tests | dupname asflicense javac javadoc unit findbugs
checkstyle compile |
| uname | Linux 1084d547f26f 4.15.0-74-generic #84-Ubuntu SMP Thu Dec 19
08:06:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-RATIS-Build/yetus-personality.sh
|
| git revision | master / 90cd474 |
| maven | version: Apache Maven 3.6.3
(cecedd343002696d0abb50b32b541b8a6ba2883f) |
| Default Java | 1.8.0_232 |
| unit |
https://builds.apache.org/job/PreCommit-RATIS-Build/1218/artifact/out/patch-unit-root.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-RATIS-Build/1218/testReport/ |
| Max. process+thread count | 1656 (vs. ulimit of 5000) |
| modules | C: ratis-server ratis-test U: . |
| Console output |
https://builds.apache.org/job/PreCommit-RATIS-Build/1218/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Ratils leader should retry append requests based on follower commit info in
> case of intermittent append failures
> ----------------------------------------------------------------------------------------------------------------
>
> Key: RATIS-794
> URL: https://issues.apache.org/jira/browse/RATIS-794
> Project: Ratis
> Issue Type: Bug
> Components: server
> Reporter: Shashikant Banerjee
> Assignee: Tsz-wo Sze
> Priority: Major
> Fix For: 0.5.0
>
> Attachments: r794_20200122.patch, r794_20200124.patch
>
>
> During Ozone testing, it was observed that a leader election happens in
> between the test , where a follower has caught to a certain index 313. The
> new leader starts sends an append request to the follower which fails with
> grpc Exception. This leads to leader reset the connection and start from the
> beginning (index 1).
>
>
> {code:java}
> 2020-01-13 14:56:32,995 INFO org.apache.ratis.server.impl.RaftServerImpl:
> 0.0.0.0:9858@group-4F125BF42C14: changes role from CANDIDATE to LEADER at
> term 7 for changeToLeader
> 2020-01-13 14:56:32,995 INFO
> org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis:
> Leader change notification received for group: group-4F125BF42C14 with new
> leaderId: ed90869c-317e-4303-8922-9fa83a3983cb
> 2020-01-13 14:56:33,042 WARN org.apache.ratis.grpc.server.GrpcLogAppender:
> 0.0.0.0:9858@group-4F125BF42C14->10.120.139.111:9858-AppendLogResponseHandler:
> Failed appendEntries:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: io
> exception
> 2020-01-13 14:56:33,043 DEBUG org.apache.ratis.util.PeerProxyMap:
> ed90869c-317e-4303-8922-9fa83a3983cb: reset proxy for
> b65b0b6c-b0bb-429f-a23d-467c72d4b85c
> 2020-01-13 14:56:33,044 DEBUG org.apache.ratis.util.LifeCycle:
> b65b0b6c-b0bb-429f-a23d-467c72d4b85c:10.120.139.111:9858: RUNNING -> CLOSING
> 2020-01-13 14:56:33,044 DEBUG org.apache.ratis.util.LifeCycle:
> b65b0b6c-b0bb-429f-a23d-467c72d4b85c:10.120.139.111:9858: CLOSING -> CLOSED
> 2020-01-13 14:56:33,044 DEBUG org.apache.ratis.util.LifeCycle:
> b65b0b6c-b0bb-429f-a23d-467c72d4b85c:10.120.139.111:9858: NEW
> 2020-01-13 14:56:33,044 DEBUG org.apache.ratis.util.TimeoutScheduler: new
> ScheduledThreadPoolExecutor
> 2020-01-13 14:56:33,044 DEBUG org.apache.ratis.util.PeerProxyMap:
> ed90869c-317e-4303-8922-9fa83a3983cb: Closing proxy for peer
> b65b0b6c-b0bb-429f-a23d-467c72d4b85c:10.120.139.111:9858
> 2020-01-13 14:56:33,045 DEBUG org.apache.ratis.util.TimeoutScheduler:
> schedule a task: timeout 6000ms, sid 1
> 2020-01-13 14:56:33,047 INFO org.apache.ratis.server.impl.FollowerInfo:
> 0.0.0.0:9858@group-4F125BF42C14->10.120.139.111:9858: nextIndex:
> updateUnconditionally 314 -> 1 ---------------------> set the next index for
> the follower back to 1 and starts from 1)
> 2020-01-13 14:56:35,840 DEBUG org.apache.ratis.grpc.server.GrpcLogAppender:
> 0.0.0.0:9858@group-4F125BF42C14->10.120.139.111:9858-AppendLogResponseHandler:
> received the first reply
> ed90869c-317e-4303-8922-9fa83a3983cb<-b65b0b6c-b0bb-429f-a23d-467c72d4b85c#2:OK,SUCCESS,nextIndex:314,term:5,followerCommit:313,
> request=AppendEntriesRequest:cid=2,entriesCount=0,lastEntry=null .
> -------------------> (Receives the response from follower indficating
> follower is at 312)
> Although the follower is at 313, the leader keeps on sending the
> appendRequests from index 1.
> 2020-01-13 14:56:35,841 DEBUG org.apache.ratis.server.impl.FollowerInfo:
> 0.0.0.0:9858@group-4F125BF42C14->10.120.139.111:9858: nextIndex:
> updateIncreasingly 1 -> 2
> 2020-01-13 14:56:35,841 DEBUG org.apache.ratis.util.TimeoutScheduler:
> schedule a task: timeout 6000ms, sid 7
> 2020-01-13 14:56:35,843 DEBUG org.apache.ratis.server.impl.FollowerInfo:
> 0.0.0.0:9858@group-4F125BF42C14->10.120.139.111:9858: nextIndex:
> updateIncreasingly 2 -> 3
> 2020-01-13 14:56:35,843 DEBUG org.apache.ratis.util.TimeoutScheduler:
> schedule a task: timeout 6000ms, sid 8
> {code}
>
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