[GitHub] [hadoop-ozone] bharatviswa504 commented on a change in pull request #40: HDDS-2285. GetBlock and ReadChunk command from the client should be s…

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bharatviswa504 commented on a change in pull request #40: HDDS-2285. GetBlock and ReadChunk command from the client should be s…
URL: https://github.com/apache/hadoop-ozone/pull/40#discussion_r338868517
 
 

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 File path: hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientGrpc.java
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 @@ -107,6 +111,7 @@ public XceiverClientGrpc(Pipeline pipeline, Configuration config,
         OzoneConfigKeys.OZONE_NETWORK_TOPOLOGY_AWARE_READ_KEY,
         OzoneConfigKeys.OZONE_NETWORK_TOPOLOGY_AWARE_READ_DEFAULT);
     this.caCert = caCert;
+    this.getBlockDNcache = new HashMap<>();
 
 Review comment:
   XceiverClientGrpc is shared across threads, do we need to make this ConcurrentHashMap?

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