avijayanhwx opened a new pull request #624: Hdds 3110 master
URL: https://github.com/apache/hadoop-ozone/pull/624
 
 
   ## What changes were proposed in this pull request?
   
   - Both the Incremental container report handler and the regular container 
report handler add new containers from SCM whenever they see a new container. 
This test and add step must be synchronized between the 2 handlers to avoid any 
inconsistent metadata state.
   - NodeStateMap in allow does not addition of a single container to the Map 
of Node -> Set of Containers since it instantiates with a 
Collections.emptySet(), and then relies on a map.put() to update the value. 
Changing this to a "new HashSet" allows addition of a container one by one 
which is possible in Recon.
   - Improve logging in Recon Container Manager when it receives a container 
report from a node before receiving the pipeline report for a newly created 
pipeline.
   
   ## What is the link to the Apache JIRA
   https://issues.apache.org/jira/browse/HDDS-3110
   
   ## How was this patch tested?
   Unit, integration and docker based testing.

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