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https://issues.apache.org/jira/browse/RATIS-2135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated RATIS-2135:
-----------------------------------
Fix Version/s: 3.1.1
> The leader keeps sending inconsistent entries repeatedly to followers.
> ----------------------------------------------------------------------
>
> Key: RATIS-2135
> URL: https://issues.apache.org/jira/browse/RATIS-2135
> Project: Ratis
> Issue Type: Bug
> Components: gRPC
> Affects Versions: 3.0.1
> Reporter: guangbao zhao
> Assignee: Tsz-wo Sze
> Priority: Major
> Fix For: 3.1.1, 3.2.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> We found in the leader log of ratis that the follower replied leader
> nextIndex = 645891323, and the leader also executed setNextIndex nextIndex:
> updateUnconditionally 645892117 -> 645891323, but this process was repeated
> continuously, causing the follower to become unavailable.
> The following is the log of the leader node：
>
> 2024/08/06 00:00:00,094 [grpc-default-executor-210] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: Failed
> appendEntries: org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException:
> CANCELLED: RST_STREAM closed stream. HTTP/2 error code: CANCEL
> 2024/08/06 00:00:00,103 [grpc-default-executor-210] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-GrpcLogAppender: Follower failed
> (request=null, errorCount=206); keep nextIndex (645892117) unchanged and
> retry.
> 2024/08/06 00:00:00,400 [grpc-default-executor-160] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: received
> INCONSISTENCY reply with nextIndex 645891323, errorCount=207,
> request=AppendEntriesRequest:cid=51646275,entriesCount=744,entries=(t:626,
> i:645892117)...(t:626, i:645892860)
> 2024/08/06 00:00:00,400 [grpc-default-executor-160] INFO
> org.apache.ratis.server.leader.FollowerInfo: node2@group-EE11FFDD70A4->node1:
> setNextIndex nextIndex: updateUnconditionally 645892861 -> 645891323
> 2024/08/06 00:00:02,888 [grpc-default-executor-210] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: received
> INCONSISTENCY reply with nextIndex 645891323, errorCount=209,
> request=AppendEntriesRequest:cid=51646277,entriesCount=669,entries=(t:626,
> i:645892117)...(t:626, i:645892785)
> 2024/08/06 00:00:02,888 [grpc-default-executor-210] INFO
> org.apache.ratis.server.leader.FollowerInfo: node2@group-EE11FFDD70A4->node1:
> setNextIndex nextIndex: updateUnconditionally 645892786 -> 645891323
> 2024/08/06 00:00:03,344 [grpc-default-executor-160] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: received
> INCONSISTENCY reply with nextIndex 645891323, errorCount=211,
> request=AppendEntriesRequest:cid=51646279,entriesCount=744,entries=(t:626,
> i:645892117)...(t:626, i:645892860)
> 2024/08/06 00:00:03,344 [grpc-default-executor-160] INFO
> org.apache.ratis.server.leader.FollowerInfo: node2@group-EE11FFDD70A4->node1:
> setNextIndex nextIndex: updateUnconditionally 645892861 -> 645891323
> 2024/08/06 00:00:05,103 [timer1] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: Failed
> appendEntries (Repeated 4 times in the last 5.009s):
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: CANCELLED:
> RST_STREAM closed stream. HTTP/2 error code: CANCEL
> 2024/08/06 00:00:05,104 [timer2] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-GrpcLogAppender: Follower failed
> (request=null, errorCount=212); keep nextIndex (645892117) unchanged and
> retry. (Repeated 4 times in the last 5.001s)
> 2024/08/06 00:00:05,833 [grpc-default-executor-160] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: received
> INCONSISTENCY reply with nextIndex 645891323, errorCount=213,
> request=AppendEntriesRequest:cid=51646281,entriesCount=669,entries=(t:626,
> i:645892117)...(t:626, i:645892785)
> 2024/08/06 00:00:05,833 [grpc-default-executor-160] INFO
> org.apache.ratis.server.leader.FollowerInfo: node2@group-EE11FFDD70A4->node1:
> setNextIndex nextIndex: updateUnconditionally 645892786 -> 645891323
> 2024/08/06 00:00:05,996 [grpc-default-executor-160] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: Failed
> appendEntries: org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException:
> CANCELLED: RST_STREAM closed stream. HTTP/2 error code: CANCEL
> 2024/08/06 00:00:05,996 [grpc-default-executor-160] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-GrpcLogAppender: Follower failed
> (request=null, errorCount=214); keep nextIndex (645892117) unchanged and
> retry.
> 2024/08/06 00:00:10,792 [grpc-default-executor-210] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: received
> INCONSISTENCY reply with nextIndex 645891323, errorCount=215,
> request=AppendEntriesRequest:cid=51646283,entriesCount=0
> 2024/08/06 00:00:10,792 [grpc-default-executor-210] INFO
> org.apache.ratis.server.leader.FollowerInfo: node2@group-EE11FFDD70A4->node1:
> setNextIndex nextIndex: updateUnconditionally 645892117 -> 645891323
> 2024/08/06 00:00:10,996 [timer5] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-GrpcLogAppender: Follower failed
> (request=null, errorCount=216); keep nextIndex (645892117) unchanged and
> retry. (Repeated 2 times in the last 5.000s)
> 2024/08/06 00:00:10,996 [timer4] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: Failed
> appendEntries (Repeated 2 times in the last 5.000s):
> org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: CANCELLED:
> RST_STREAM closed stream. HTTP/2 error code: CANCEL
> 2024/08/06 00:00:15,014 [grpc-default-executor-160] WARN
> org.apache.ratis.grpc.server.GrpcLogAppender:
> node2@group-EE11FFDD70A4->node1-AppendLogResponseHandler: received
> INCONSISTENCY reply with nextIndex 645891323, errorCount=217,
> request=AppendEntriesRequest:cid=51646285,entriesCount=0
> 2024/08/06 00:00:15,014 [grpc-default-executor-160] INFO
> org.apache.ratis.server.leader.FollowerInfo: node2@group-EE11FFDD70A4->node1:
> setNextIndex nextIndex: updateUnconditionally 645892117 -> 645891323
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