ayushtkn commented on code in PR #6697:
URL: https://github.com/apache/hadoop/pull/6697#discussion_r1551269035
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java:
##########
@@ -1089,13 +1089,7 @@ public DatanodeInfo[]
getDatanodeReport(DatanodeReportType type)
DatanodeInfo[] getCachedDatanodeReport(DatanodeReportType type)
throws IOException {
try {
- DatanodeInfo[] dns = this.dnCache.get(type);
- if (dns == null) {
- LOG.debug("Get null DN report from cache");
- dns = getCachedDatanodeReportImpl(type);
- this.dnCache.put(type, dns);
- }
- return dns;
+ return this.dnCache.get(type);
Review Comment:
I am not sure if it is correct, atleast I am not sure & it makes my code
look unsafe
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
