ChenSammi commented on a change in pull request #1469: HDDS-2034. Async RATIS
pipeline creation and destroy through heartbea…
URL: https://github.com/apache/hadoop/pull/1469#discussion_r328408887
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File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/safemode/OneReplicaPipelineSafeModeRule.java
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@@ -75,69 +66,59 @@ public OneReplicaPipelineSafeModeRule(String ruleName,
EventQueue eventQueue,
HDDS_SCM_SAFEMODE_ONE_NODE_REPORTED_PIPELINE_PCT +
" value should be >= 0.0 and <= 1.0");
+ // Exclude CLOSED pipeline
int totalPipelineCount =
pipelineManager.getPipelines(HddsProtos.ReplicationType.RATIS,
- HddsProtos.ReplicationFactor.THREE).size();
+ HddsProtos.ReplicationFactor.THREE, Pipeline.PipelineState.OPEN)
+ .size() +
+ pipelineManager.getPipelines(HddsProtos.ReplicationType.RATIS,
+ HddsProtos.ReplicationFactor.THREE,
+ Pipeline.PipelineState.ALLOCATED).size();
Review comment:
Hi @xiaoyuyao , here are two cases,
1. A new cluster, ALLOCATED pipelie numbe is 0 at cluster start up.
2. A running cluster, restart SCM, all the pipelines loaded from DB is
marked as ALLOCATED(SCMPipelineManager#initializePipelineState(), current
logic). So in this case, ALLOCATED state pipeline means OPEN pipeline actually.
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