ayushtkn commented on code in PR #6091:
URL: https://github.com/apache/hadoop/pull/6091#discussion_r1355790939
##########
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSClient.java:
##########
@@ -477,7 +477,10 @@ int getDatanodeWriteTimeout(int numNodes) {
int getDatanodeReadTimeout(int numNodes) {
final int t = dfsClientConf.getSocketTimeout();
- return t > 0? HdfsConstants.READ_TIMEOUT_EXTENSION*numNodes + t: 0;
+ int readTimeout = HdfsConstants.READ_TIMEOUT_EXTENSION*numNodes + t;
+ Preconditions.checkArgument(readTimeout >= 0,
+ "Read timeout should be non-negative.");
+ return t > 0? readTimeout: 0;
Review Comment:
should be something like?
```
int getDatanodeReadTimeout(int numNodes) {
final int t = dfsClientConf.getSocketTimeout();
if (t > 0) {
int readTimeout = HdfsConstants.READ_TIMEOUT_EXTENSION * numNodes + t;
Preconditions.checkArgument(readTimeout >= 0, "Read timeout should be
non-negative.");
return readTimeout;
}
return 0;
}
```
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