prashantpogde commented on a change in pull request #1611:
URL: https://github.com/apache/ozone/pull/1611#discussion_r530109093
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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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@@ -268,6 +275,12 @@ public Pipeline createPipeline(ReplicationType type,
}
lock.writeLock().lock();
try {
+ if (freezePipelineCreation.get()) {
+ LOG.debug("Pipeline creation is frozen while an upgrade is in " +
Review comment:
OZONE_SCM_PIPELINE_CREATION_INTERVAL_DEFAULT is 2 minutes. I thought
that upgrade finalization should be few minutes. Its possible that we may have
few messages in the log to indicate that pipeline creation is frozen due to
upgrade. But I can add a "pause" for pipeline creator as suggested.
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