bhji123 commented on a change in pull request #2082:
URL: https://github.com/apache/hadoop/pull/2082#discussion_r442695952
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcClient.java
##########
@@ -357,7 +367,7 @@ private RetryDecision shouldRetry(final IOException ioe,
final int retryCount,
// check for the case of cluster unavailable state
if (isClusterUnAvailable(nsId)) {
// we allow to retry once if cluster is unavailable
- if (retryCount == 0) {
Review comment:
In fact, not all clients are so smart, they may not configred
appropriately. When those clients encounter this problem, they complain about
router not retry more.
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcClient.java
##########
@@ -557,6 +567,19 @@ private Object invoke(String nsId, int retryCount, final
Method method,
}
// retry
+ try {
Review comment:
In fact, not all clients are so smart, they may not configred
appropriately. When those clients encounter this problem, they complain about
router not retry more.
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