Ayush Saxena created HDFS-14999:
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Summary: Avoid Potential Infinite Loop in DFSNetworkTopology
Key: HDFS-14999
URL: https://issues.apache.org/jira/browse/HDFS-14999
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Ayush Saxena
Assignee: Ayush Saxena
{code:java}
do {
chosen = chooseRandomWithStorageTypeAndExcludeRoot(root, excludeRoot,
type);
if (excludedNodes == null || !excludedNodes.contains(chosen)) {
break;
} else {
LOG.debug("Node {} is excluded, continuing.", chosen);
}
} while (true);
{code}
Observed this loop getting stuck as part of testing HDFS-14913.
There should be some exit condition or max retries here
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