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Posted to issues@ozone.apache.org by "Arpit Agarwal (Jira)" <ji...@apache.org> on 2020/06/01 21:54:00 UTC
[jira] [Commented] (HDDS-3414) Multi-raft does not create two
distinct pipelines for 4 DataNodes
[ https://issues.apache.org/jira/browse/HDDS-3414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17121360#comment-17121360 ]
Arpit Agarwal commented on HDDS-3414:
-------------------------------------
This looks like a nice find [~smajeti]. FYI [~nanda] [~timmylicheng]
> Multi-raft does not create two distinct pipelines for 4 DataNodes
> -----------------------------------------------------------------
>
> Key: HDDS-3414
> URL: https://issues.apache.org/jira/browse/HDDS-3414
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: SCM
> Affects Versions: 0.5.0
> Reporter: Srinivasu Majeti
> Priority: Major
> Labels: Triaged
>
> I have got 4 DNs with ozone.datanode.pipeline.limit set to 3
> I see two pipelines created with *Factor:THREE* but both pipelines have the same set of nodes (node2,node3,node4) and do not include node1 at all :( .
>
> [root@c1265-node1 data]# ozone admin pipeline list
> Pipeline[ Id: 46723ec2-cc7f-422a-bd06-d28963919b9a, Nodes: 0ed0e13b-0ab0-48e2-ad11-1fca721d3095\{ip: 172.25.39.138, host: c1265-node2.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}, Type:RATIS, Factor:ONE, State:OPEN, leaderId:0ed0e13b-0ab0-48e2-ad11-1fca721d3095, CreationTimestamp2020-04-16T14:56:55.675Z]
> Pipeline[ Id: 5379c9ef-3c99-481f-980d-0f821ab320dd, Nodes: ab5b82f8-836f-4e74-a3eb-9adec7a0f398\{ip: 172.25.33.148, host: c1265-node3.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}, Type:RATIS, Factor:ONE, State:OPEN, leaderId:ab5b82f8-836f-4e74-a3eb-9adec7a0f398, CreationTimestamp2020-04-16T14:56:55.676Z]
> Pipeline[ Id: 8588424d-01fa-4a91-8462-4510bce43c1c, Nodes: 987ef87a-ea9f-453f-9bd7-39a27c7e4f7c\{ip: 172.25.38.32, host: c1265-node4.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}, Type:RATIS, Factor:ONE, State:OPEN, leaderId:987ef87a-ea9f-453f-9bd7-39a27c7e4f7c, CreationTimestamp2020-04-16T14:56:55.678Z]
> Pipeline[ Id: 33cb3301-9753-45f8-aac8-d86412997170, Nodes: 0ed0e13b-0ab0-48e2-ad11-1fca721d3095\{ip: 172.25.39.138, host: c1265-node2.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}987ef87a-ea9f-453f-9bd7-39a27c7e4f7c\{ip: 172.25.38.32, host: c1265-node4.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}ab5b82f8-836f-4e74-a3eb-9adec7a0f398\{ip: 172.25.33.148, host: c1265-node3.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}, Type:RATIS, Factor:THREE, State:OPEN, leaderId:ab5b82f8-836f-4e74-a3eb-9adec7a0f398, CreationTimestamp2020-04-16T14:57:00.240Z]
> Pipeline[ Id: 2ba697b0-39b5-4be6-8c53-b65c74542f48, Nodes: 84ac4ab6-8f09-4e6e-9759-8863060a685e\{ip: 172.25.37.142, host: c1265-node1.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}, Type:RATIS, Factor:ONE, State:OPEN, leaderId:84ac4ab6-8f09-4e6e-9759-8863060a685e, CreationTimestamp2020-04-16T14:56:55.672Z]
> Pipeline[ Id: 667dd634-21d2-49cf-977b-cd95acf031fc, Nodes: 0ed0e13b-0ab0-48e2-ad11-1fca721d3095\{ip: 172.25.39.138, host: c1265-node2.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}ab5b82f8-836f-4e74-a3eb-9adec7a0f398\{ip: 172.25.33.148, host: c1265-node3.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}987ef87a-ea9f-453f-9bd7-39a27c7e4f7c\{ip: 172.25.38.32, host: c1265-node4.supportlab.cloudera.com, networkLocation: /default-rack, certSerialId: null}, Type:RATIS, Factor:THREE, State:OPEN, leaderId:ab5b82f8-836f-4e74-a3eb-9adec7a0f398, CreationTimestamp2020-04-16T14:56:55.677Z]
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