[
https://issues.apache.org/jira/browse/RATIS-1803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yaolong Liu updated RATIS-1803:
-------------------------------
Description:
In a k8s container environment, the candidate cannot resolve the host of one of
the followers during the election process. After the election is successful,
the leader cannot resolve the host of the follower normally, resulting in
failure to send the heartbeat. Followers have been initiating pre-votes but
they are always rejected. After half an hour, the cluster returns to normal.
leader log:
{code:java}
2023-03-02 10:26:11,909 INFO RoleInfo - alluxio-master-1_19200: start
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1
2023-03-02 10:26:11,910 INFO LeaderElection -
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 PRE_VOTE round 0:
submit vote requests at term 0 for -1:
peers:[alluxio-master-0_19200|rpc:alluxio-master-0:19200|priority:0|startupRole:FOLLOWER,
alluxio-master-2_19200|rpc:alluxio-master-2:19200|priority:0|startupRole:FOLLOWER,
alluxio-master-1_19200|rpc:alluxio-master-1:19200|priority:0|startupRole:FOLLOWER]|listeners:[],
old=null
2023-03-02 10:26:11,914 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
raft.server.rpc.timeout.min)
2023-03-02 10:26:11,914 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
raft.server.rpc.timeout.max)
2023-03-02 10:26:11,915 INFO GrpcServerProtocolClient - Build channel for
alluxio-master-0_19200
2023-03-02 10:26:11,915 INFO GrpcServerProtocolClient - Build channel for
alluxio-master-2_19200
2023-03-02 10:26:11,920 INFO LeaderElection -
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 got exception when
requesting votes: java.util.concurrent.ExecutionException:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: Unable
to resolve host alluxio-master-0
2023-03-02 10:26:11,945 INFO LeaderElection -
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1: PRE_VOTE PASSED
received 1 response(s) and 1 exception(s):
2023-03-02 10:26:11,945 INFO LeaderElection - Response 0:
alluxio-master-1_19200<-alluxio-master-2_19200#0:OK-t0
2023-03-02 10:26:11,945 INFO LeaderElection - Exception 1:
java.util.concurrent.ExecutionException:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: Unable
to resolve host alluxio-master-0
2023-03-02 10:26:11,945 INFO LeaderElection -
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 PRE_VOTE round 0:
result PASSED
2023-03-02 10:26:11,948 INFO LeaderElection -
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 ELECTION round 0:
submit vote requests at term 1 for -1:
peers:[alluxio-master-0_19200|rpc:alluxio-master-0:19200|priority:0|startupRole:FOLLOWER,
alluxio-master-2_19200|rpc:alluxio-master-2:19200|priority:0|startupRole:FOLLOWER,
alluxio-master-1_19200|rpc:alluxio-master-1:19200|priority:0|startupRole:FOLLOWER]|listeners:[],
old=null
2023-03-02 10:26:11,948 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
raft.server.rpc.timeout.min)
2023-03-02 10:26:11,948 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
raft.server.rpc.timeout.max)
2023-03-02 10:26:11,948 INFO LeaderElection -
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 got exception when
requesting votes: java.util.concurrent.ExecutionException:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: Unable
to resolve host alluxio-master-0
2023-03-02 10:26:11,961 INFO LeaderElection -
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1: ELECTION PASSED
received 1 response(s) and 1 exception(s):
2023-03-02 10:26:11,961 INFO LeaderElection - Response 0:
alluxio-master-1_19200<-alluxio-master-2_19200#0:OK-t1
2023-03-02 10:26:11,961 INFO LeaderElection - Exception 1:
java.util.concurrent.ExecutionException:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: Unable
to resolve host alluxio-master-0
2023-03-02 10:26:11,961 INFO LeaderElection -
alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 ELECTION round 0:
result PASSED
....
2023-03-02 10:27:29,535 WARN GrpcLogAppender -
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-GrpcLogAppender:
Leader has not got in touch with Follower
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200(c-1,m0,n9,
attendVote=true, lastRpcSendTime=0, lastRpcResponseTime=97556) yet, just keep
nextIndex unchanged and retry.
2023-03-02 10:27:32,035 WARN GrpcLogAppender -
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-AppendLogResponseHandler:
Failed appendEntries:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: Unable
to resolve host alluxio-master-0
2023-03-02 10:27:32,035 WARN GrpcLogAppender -
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-AppendLogResponseHandler:
Failed appendEntries:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: Unable
to resolve host alluxio-master-0
2023-03-02 10:27:32,035 WARN GrpcLogAppender -
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-GrpcLogAppender:
Leader has not got in touch with Follower
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200(c-1,m0,n9,
attendVote=true, lastRpcSendTime=0, lastRpcResponseTime=100056) yet, just keep
nextIndex unchanged and retry.
2023-03-02 10:27:32,035 WARN GrpcLogAppender -
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-GrpcLogAppender:
Leader has not got in touch with Follower
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200(c-1,m0,n9,
attendVote=true, lastRpcSendTime=0, lastRpcResponseTime=100057) yet, just keep
nextIndex unchanged and retry.
2023-03-02 10:27:33,444 INFO VoteContext -
alluxio-master-1_19200@group-ABB3109A44C1-LEADER: reject PRE_VOTE from
alluxio-master-0_19200: this server is the leader and still has leadership
2023-03-02 10:27:34,535 WARN GrpcLogAppender -
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-AppendLogResponseHandler:
Failed appendEntries:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: Unable
to resolve host alluxio-master-0
2023-03-02 10:27:34,535 WARN GrpcLogAppender -
alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-AppendLogResponseHandler:
Failed appendEntries:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: Unable
to resolve host alluxio-master-0
{code}
The follower log:
{code:java}
2023-03-02 10:27:21,985 INFO RaftServerConfigKeys -
raft.server.leaderelection.pre-vote = true (default)
2023-03-02 10:27:21,985 INFO RoleInfo - alluxio-master-0_19200: start
alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6
2023-03-02 10:27:21,986 INFO LeaderElection -
alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6 PRE_VOTE round 0:
submit vote requests at term 1 for -1:
peers:[alluxio-master-0_19200|rpc:alluxio-master-0:19200|priority:0|startupRole:FOLLOWER,
alluxio-master-2_19200|rpc:alluxio-master-2:19200|priority:0|startupRole:FOLLOWER,
alluxio-master-1_19200|rpc:alluxio-master-1:19200|priority:0|startupRole:FOLLOWER]|listeners:[],
old=null
2023-03-02 10:27:21,987 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
raft.server.rpc.timeout.min)
2023-03-02 10:27:21,987 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
raft.server.rpc.timeout.max)
2023-03-02 10:27:22,019 INFO LeaderElection -
alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6: PRE_VOTE REJECTED
received 2 response(s) and 0 exception(s):
2023-03-02 10:27:22,019 INFO LeaderElection - Response 0:
alluxio-master-0_19200<-alluxio-master-2_19200#0:FAIL-t1
2023-03-02 10:27:22,019 INFO LeaderElection - Response 1:
alluxio-master-0_19200<-alluxio-master-1_19200#0:FAIL-t1
2023-03-02 10:27:22,019 INFO LeaderElection -
alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6 PRE_VOTE round 0:
result REJECTED
2023-03-02 10:27:22,019 INFO RoleInfo - alluxio-master-0_19200: shutdown
alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6
2023-03-02 10:27:22,020 INFO RoleInfo - alluxio-master-0_19200: start
alluxio-master-0_19200@group-ABB3109A44C1-FollowerState
2023-03-02 10:27:22,021 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
raft.server.rpc.timeout.min)
2023-03-02 10:27:22,021 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
raft.server.rpc.timeout.max)
2023-03-02 10:27:33,412 INFO FollowerState -
alluxio-master-0_19200@group-ABB3109A44C1-FollowerState: change to CANDIDATE,
lastRpcElapsedTime:11392399572ns, electionTimeout:11391ms
2023-03-02 10:27:33,412 INFO RoleInfo - alluxio-master-0_19200: shutdown
alluxio-master-0_19200@group-ABB3109A44C1-FollowerState
2023-03-02 10:27:33,413 INFO RaftServerConfigKeys -
raft.server.leaderelection.pre-vote = true (default)
2023-03-02 10:27:33,413 INFO RoleInfo - alluxio-master-0_19200: start
alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection7
2023-03-02 10:27:33,414 INFO LeaderElection -
alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection7 PRE_VOTE round 0:
submit vote requests at term 1 for -1:
peers:[alluxio-master-0_19200|rpc:alluxio-master-0:19200|priority:0|startupRole:FOLLOWER,
alluxio-master-2_19200|rpc:alluxio-master-2:19200|priority:0|startupRole:FOLLOWER,
alluxio-master-1_19200|rpc:alluxio-master-1:19200|priority:0|startupRole:FOLLOWER]|listeners:[],
old=null
2023-03-02 10:27:33,414 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
raft.server.rpc.timeout.min)
2023-03-02 10:27:33,415 INFO RaftServerConfigKeys -
raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
raft.server.rpc.timeout.max)
2023-03-02 10:27:33,446 INFO LeaderElection -
alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection7: PRE_VOTE REJECTED
received 2 response(s) and 0 exception(s):
{code}
> GrpcLogAppender can't resolve host in kubernetes cluster
> --------------------------------------------------------
>
> Key: RATIS-1803
> URL: https://issues.apache.org/jira/browse/RATIS-1803
> Project: Ratis
> Issue Type: Bug
> Affects Versions: 2.4.1
> Reporter: Yaolong Liu
> Priority: Major
>
> In a k8s container environment, the candidate cannot resolve the host of one
> of the followers during the election process. After the election is
> successful, the leader cannot resolve the host of the follower normally,
> resulting in failure to send the heartbeat. Followers have been initiating
> pre-votes but they are always rejected. After half an hour, the cluster
> returns to normal.
> leader log:
> {code:java}
> 2023-03-02 10:26:11,909 INFO RoleInfo - alluxio-master-1_19200: start
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1
> 2023-03-02 10:26:11,910 INFO LeaderElection -
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 PRE_VOTE round 0:
> submit vote requests at term 0 for -1:
> peers:[alluxio-master-0_19200|rpc:alluxio-master-0:19200|priority:0|startupRole:FOLLOWER,
>
> alluxio-master-2_19200|rpc:alluxio-master-2:19200|priority:0|startupRole:FOLLOWER,
>
> alluxio-master-1_19200|rpc:alluxio-master-1:19200|priority:0|startupRole:FOLLOWER]|listeners:[],
> old=null
> 2023-03-02 10:26:11,914 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
> raft.server.rpc.timeout.min)
> 2023-03-02 10:26:11,914 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
> raft.server.rpc.timeout.max)
> 2023-03-02 10:26:11,915 INFO GrpcServerProtocolClient - Build channel for
> alluxio-master-0_19200
> 2023-03-02 10:26:11,915 INFO GrpcServerProtocolClient - Build channel for
> alluxio-master-2_19200
> 2023-03-02 10:26:11,920 INFO LeaderElection -
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 got exception when
> requesting votes: java.util.concurrent.ExecutionException:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE:
> Unable to resolve host alluxio-master-0
> 2023-03-02 10:26:11,945 INFO LeaderElection -
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1: PRE_VOTE PASSED
> received 1 response(s) and 1 exception(s):
> 2023-03-02 10:26:11,945 INFO LeaderElection - Response 0:
> alluxio-master-1_19200<-alluxio-master-2_19200#0:OK-t0
> 2023-03-02 10:26:11,945 INFO LeaderElection - Exception 1:
> java.util.concurrent.ExecutionException:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE:
> Unable to resolve host alluxio-master-0
> 2023-03-02 10:26:11,945 INFO LeaderElection -
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 PRE_VOTE round 0:
> result PASSED
> 2023-03-02 10:26:11,948 INFO LeaderElection -
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 ELECTION round 0:
> submit vote requests at term 1 for -1:
> peers:[alluxio-master-0_19200|rpc:alluxio-master-0:19200|priority:0|startupRole:FOLLOWER,
>
> alluxio-master-2_19200|rpc:alluxio-master-2:19200|priority:0|startupRole:FOLLOWER,
>
> alluxio-master-1_19200|rpc:alluxio-master-1:19200|priority:0|startupRole:FOLLOWER]|listeners:[],
> old=null
> 2023-03-02 10:26:11,948 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
> raft.server.rpc.timeout.min)
> 2023-03-02 10:26:11,948 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
> raft.server.rpc.timeout.max)
> 2023-03-02 10:26:11,948 INFO LeaderElection -
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 got exception when
> requesting votes: java.util.concurrent.ExecutionException:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE:
> Unable to resolve host alluxio-master-0
> 2023-03-02 10:26:11,961 INFO LeaderElection -
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1: ELECTION PASSED
> received 1 response(s) and 1 exception(s):
> 2023-03-02 10:26:11,961 INFO LeaderElection - Response 0:
> alluxio-master-1_19200<-alluxio-master-2_19200#0:OK-t1
> 2023-03-02 10:26:11,961 INFO LeaderElection - Exception 1:
> java.util.concurrent.ExecutionException:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE:
> Unable to resolve host alluxio-master-0
> 2023-03-02 10:26:11,961 INFO LeaderElection -
> alluxio-master-1_19200@group-ABB3109A44C1-LeaderElection1 ELECTION round 0:
> result PASSED
> ....
> 2023-03-02 10:27:29,535 WARN GrpcLogAppender -
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-GrpcLogAppender:
> Leader has not got in touch with Follower
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200(c-1,m0,n9,
> attendVote=true, lastRpcSendTime=0, lastRpcResponseTime=97556) yet, just keep
> nextIndex unchanged and retry.
> 2023-03-02 10:27:32,035 WARN GrpcLogAppender -
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-AppendLogResponseHandler:
> Failed appendEntries:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE:
> Unable to resolve host alluxio-master-0
> 2023-03-02 10:27:32,035 WARN GrpcLogAppender -
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-AppendLogResponseHandler:
> Failed appendEntries:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE:
> Unable to resolve host alluxio-master-0
> 2023-03-02 10:27:32,035 WARN GrpcLogAppender -
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-GrpcLogAppender:
> Leader has not got in touch with Follower
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200(c-1,m0,n9,
> attendVote=true, lastRpcSendTime=0, lastRpcResponseTime=100056) yet, just
> keep nextIndex unchanged and retry.
> 2023-03-02 10:27:32,035 WARN GrpcLogAppender -
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-GrpcLogAppender:
> Leader has not got in touch with Follower
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200(c-1,m0,n9,
> attendVote=true, lastRpcSendTime=0, lastRpcResponseTime=100057) yet, just
> keep nextIndex unchanged and retry.
> 2023-03-02 10:27:33,444 INFO VoteContext -
> alluxio-master-1_19200@group-ABB3109A44C1-LEADER: reject PRE_VOTE from
> alluxio-master-0_19200: this server is the leader and still has leadership
> 2023-03-02 10:27:34,535 WARN GrpcLogAppender -
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-AppendLogResponseHandler:
> Failed appendEntries:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE:
> Unable to resolve host alluxio-master-0
> 2023-03-02 10:27:34,535 WARN GrpcLogAppender -
> alluxio-master-1_19200@group-ABB3109A44C1->alluxio-master-0_19200-AppendLogResponseHandler:
> Failed appendEntries:
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE:
> Unable to resolve host alluxio-master-0
> {code}
> The follower log:
> {code:java}
> 2023-03-02 10:27:21,985 INFO RaftServerConfigKeys -
> raft.server.leaderelection.pre-vote = true (default)
> 2023-03-02 10:27:21,985 INFO RoleInfo - alluxio-master-0_19200: start
> alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6
> 2023-03-02 10:27:21,986 INFO LeaderElection -
> alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6 PRE_VOTE round 0:
> submit vote requests at term 1 for -1:
> peers:[alluxio-master-0_19200|rpc:alluxio-master-0:19200|priority:0|startupRole:FOLLOWER,
>
> alluxio-master-2_19200|rpc:alluxio-master-2:19200|priority:0|startupRole:FOLLOWER,
>
> alluxio-master-1_19200|rpc:alluxio-master-1:19200|priority:0|startupRole:FOLLOWER]|listeners:[],
> old=null
> 2023-03-02 10:27:21,987 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
> raft.server.rpc.timeout.min)
> 2023-03-02 10:27:21,987 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
> raft.server.rpc.timeout.max)
> 2023-03-02 10:27:22,019 INFO LeaderElection -
> alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6: PRE_VOTE REJECTED
> received 2 response(s) and 0 exception(s):
> 2023-03-02 10:27:22,019 INFO LeaderElection - Response 0:
> alluxio-master-0_19200<-alluxio-master-2_19200#0:FAIL-t1
> 2023-03-02 10:27:22,019 INFO LeaderElection - Response 1:
> alluxio-master-0_19200<-alluxio-master-1_19200#0:FAIL-t1
> 2023-03-02 10:27:22,019 INFO LeaderElection -
> alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6 PRE_VOTE round 0:
> result REJECTED
> 2023-03-02 10:27:22,019 INFO RoleInfo - alluxio-master-0_19200: shutdown
> alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection6
> 2023-03-02 10:27:22,020 INFO RoleInfo - alluxio-master-0_19200: start
> alluxio-master-0_19200@group-ABB3109A44C1-FollowerState
> 2023-03-02 10:27:22,021 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
> raft.server.rpc.timeout.min)
> 2023-03-02 10:27:22,021 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
> raft.server.rpc.timeout.max)
> 2023-03-02 10:27:33,412 INFO FollowerState -
> alluxio-master-0_19200@group-ABB3109A44C1-FollowerState: change to CANDIDATE,
> lastRpcElapsedTime:11392399572ns, electionTimeout:11391ms
> 2023-03-02 10:27:33,412 INFO RoleInfo - alluxio-master-0_19200: shutdown
> alluxio-master-0_19200@group-ABB3109A44C1-FollowerState
> 2023-03-02 10:27:33,413 INFO RaftServerConfigKeys -
> raft.server.leaderelection.pre-vote = true (default)
> 2023-03-02 10:27:33,413 INFO RoleInfo - alluxio-master-0_19200: start
> alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection7
> 2023-03-02 10:27:33,414 INFO LeaderElection -
> alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection7 PRE_VOTE round 0:
> submit vote requests at term 1 for -1:
> peers:[alluxio-master-0_19200|rpc:alluxio-master-0:19200|priority:0|startupRole:FOLLOWER,
>
> alluxio-master-2_19200|rpc:alluxio-master-2:19200|priority:0|startupRole:FOLLOWER,
>
> alluxio-master-1_19200|rpc:alluxio-master-1:19200|priority:0|startupRole:FOLLOWER]|listeners:[],
> old=null
> 2023-03-02 10:27:33,414 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.min = 10000ms (fallback to
> raft.server.rpc.timeout.min)
> 2023-03-02 10:27:33,415 INFO RaftServerConfigKeys -
> raft.server.rpc.first-election.timeout.max = 20000ms (fallback to
> raft.server.rpc.timeout.max)
> 2023-03-02 10:27:33,446 INFO LeaderElection -
> alluxio-master-0_19200@group-ABB3109A44C1-LeaderElection7: PRE_VOTE REJECTED
> received 2 response(s) and 0 exception(s):
> {code}
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