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Posted to issues@ratis.apache.org by "Attila Doroszlai (Jira)" <ji...@apache.org> on 2023/04/27 17:38:00 UTC
[jira] [Updated] (RATIS-1796) Fix TransferLeadership stopped by heartbeat from old leader
[ https://issues.apache.org/jira/browse/RATIS-1796?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Attila Doroszlai updated RATIS-1796:
------------------------------------
Fix Version/s: 2.5.0
> Fix TransferLeadership stopped by heartbeat from old leader
> -----------------------------------------------------------
>
> Key: RATIS-1796
> URL: https://issues.apache.org/jira/browse/RATIS-1796
> Project: Ratis
> Issue Type: Sub-task
> Components: server
> Reporter: Kaijie Chen
> Assignee: Kaijie Chen
> Priority: Major
> Fix For: 3.0.0, 2.5.0
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> Candidate state of transferee may be stopped by the appendEntries from old leader, see the log below
> {code:java}
> 2023-02-28 04:52:45,026 [s0-server-thread1] INFO impl.TransferLeadership (TransferLeadership.java:tryTransferLeadership(107)) - s0@group-43918D205BB2: start transferring leadership to s1
> 2023-02-28 04:52:45,029 [s0-server-thread1] INFO impl.TransferLeadership (TransferLeadership.java:tryTransferLeadership(116)) - s0@group-43918D205BB2: sent StartLeaderElection to transferee s1 immediately as it already has up-to-date log
> 2023-02-28 04:52:45,031 [grpc-default-executor-6] INFO impl.RoleInfo (RoleInfo.java:shutdownFollowerState(111)) - s1: shutdown s1@group-43918D205BB2-FollowerState
> 2023-02-28 04:52:45,032 [s1@group-43918D205BB2-FollowerState] INFO impl.FollowerState (FollowerState.java:run(152)) - s1@group-43918D205BB2-FollowerState was interrupted
> 2023-02-28 04:52:45,032 [grpc-default-executor-6] INFO impl.RoleInfo (RoleInfo.java:updateAndGet(140)) - s1: start s1@group-43918D205BB2-LeaderElection4
> 2023-02-28 04:52:45,054 [s1-server-thread1] INFO impl.RoleInfo (RoleInfo.java:shutdownLeaderElection(131)) - s1: shutdown s1@group-43918D205BB2-LeaderElection4
> 2023-02-28 04:52:45,054 [s1-server-thread1] INFO impl.RoleInfo (RoleInfo.java:startFollowerState(104)) - s1: startFollowerState reason:appendEntries from s0 term 1,
> trace: java.base/java.lang.Thread.getStackTrace(Thread.java:1602),
> org.apache.ratis.server.impl.RoleInfo.startFollowerState(RoleInfo.java:104),
> org.apache.ratis.server.impl.RaftServerImpl.changeToFollower(RaftServerImpl.java:547),
> org.apache.ratis.server.impl.RaftServerImpl.changeToFollowerAndPersistMetadata(RaftServerImpl.java:556),
> org.apache.ratis.server.impl.RaftServerImpl.appendEntriesAsync(RaftServerImpl.java:1498),
> org.apache.ratis.server.impl.RaftServerImpl.appendEntriesAsync(RaftServerImpl.java:1396),
> org.apache.ratis.server.impl.RaftServerProxy.lambda$appendEntriesAsync$26(RaftServerProxy.java:639),
> org.apache.ratis.util.JavaUtils.callAsUnchecked(JavaUtils.java:117),
> org.apache.ratis.server.impl.RaftServerImpl.lambda$executeSubmitServerRequestAsync$11(RaftServerImpl.java:818),
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700),
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128),
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628),
> java.base/java.lang.Thread.run(Thread.java:829)
> 2023-02-28 04:52:45,055 [s1-server-thread1] INFO impl.RoleInfo (RoleInfo.java:updateAndGet(140)) - s1: start s1@group-43918D205BB2-FollowerState
> {code}
> Update: print {{isHeartbeat}} in log
> {code:java}
> 2023-03-07 02:28:54,806 [s1-server-thread4] INFO impl.RoleInfo (RoleInfo.java:startFollowerState(104)) - s1: startFollowerState reason:appendEntries: s0, term: 1, isHeartbeat: true,
> trace:
> java.base/java.lang.Thread.getStackTrace(Thread.java:1602),
> org.apache.ratis.server.impl.RoleInfo.startFollowerState(RoleInfo.java:104),
> org.apache.ratis.server.impl.RaftServerImpl.changeToFollower(RaftServerImpl.java:547),
> org.apache.ratis.server.impl.RaftServerImpl.changeToFollowerAndPersistMetadata(RaftServerImpl.java:556),
> org.apache.ratis.server.impl.RaftServerImpl.appendEntriesAsync(RaftServerImpl.java:1498),
> org.apache.ratis.server.impl.RaftServerImpl.appendEntriesAsync(RaftServerImpl.java:1396),
> org.apache.ratis.server.impl.RaftServerProxy.lambda$appendEntriesAsync$26(RaftServerProxy.java:639),
> org.apache.ratis.util.JavaUtils.callAsUnchecked(JavaUtils.java:117),
> org.apache.ratis.server.impl.RaftServerImpl.lambda$executeSubmitServerRequestAsync$11(RaftServerImpl.java:818),
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700),
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128),
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628),
> java.base/java.lang.Thread.run(Thread.java:829)
> {code}
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