Github user hmcl commented on a diff in the pull request:
https://github.com/apache/storm/pull/1924#discussion_r99869535
--- Diff:
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/KafkaSpoutRetryExponentialBackoff.java
---
@@ -54,59 +56,92 @@
private static class RetryEntryTimeStampComparator implements
Serializable, Comparator<RetrySchedule> {
@Override
public int compare(RetrySchedule entry1, RetrySchedule entry2) {
- return
Long.valueOf(entry1.nextRetryTimeNanos()).compareTo(entry2.nextRetryTimeNanos());
+ int result =
Long.valueOf(entry1.nextRetryTimeMs()).compareTo(entry2.nextRetryTimeMs());
+
+ if(result == 0) {
+ //TreeSet uses compareTo instead of equals() for the Set
contract
+ //Ensure that we can save two retry schedules with the
same timestamp
+ result = entry1.hashCode() - entry2.hashCode();
+ }
+ return result;
}
}
private class RetrySchedule {
private final KafkaSpoutMessageId msgId;
- private long nextRetryTimeNanos;
+ private long nextRetryTimeMs;
--- End diff --
I would rather change the simulation code rather than the entire client
code. In my opinion ms is already a large unit at the processor level, and it
could be useful to provide more fine grade control.
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