timmylicheng commented on a change in pull request #28: HDDS-1569 Support
creating multiple pipelines with same datanode
URL: https://github.com/apache/hadoop-ozone/pull/28#discussion_r335793351
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File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/SCMPipelineManager.java
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@@ -147,10 +152,33 @@ private void initializePipelineState() throws
IOException {
}
}
+ private boolean exceedPipelineNumberLimit(ReplicationFactor factor) {
+ if (heavyNodeCriteria > 0 && factor == ReplicationFactor.THREE) {
+ return (stateManager.getPipelines(ReplicationType.RATIS, factor).size() -
+ stateManager.getPipelines(ReplicationType.RATIS, factor,
+ Pipeline.PipelineState.CLOSED).size()) >= heavyNodeCriteria *
+ nodeManager.getNodeCount(HddsProtos.NodeState.HEALTHY);
Review comment:
Good point. Should divide by factor number.
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