xiaoyuyao commented on a change in pull request #1431: HDDS-1569 Support
creating multiple pipelines with same datanode
URL: https://github.com/apache/hadoop/pull/1431#discussion_r326836211
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File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/states/Node2PipelineMap.java
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@@ -71,6 +71,10 @@ public synchronized void addPipeline(Pipeline pipeline) {
UUID dnId = details.getUuid();
dn2ObjectMap.computeIfAbsent(dnId, k -> ConcurrentHashMap.newKeySet())
.add(pipeline.getId());
+ dn2ObjectMap.computeIfPresent(dnId, (k, v) -> {
Review comment:
Line 73 should be able to add(pipeline.getId() if the HashMap exist. Line
74-77 seems redundant.
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