dcapwell commented on code in PR #3656:
URL: https://github.com/apache/cassandra/pull/3656#discussion_r1830208620
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src/java/org/apache/cassandra/service/accord/AccordService.java:
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@@ -568,6 +570,46 @@ public static List<ClusterMetadata> tcmLoadRange(long min,
long max)
return afterLoad;
}
+ /**
+ * This method exists due to the fact that we define a retry policy for
TCM to follow, and then TCM ignores it and does no retries...
+ */
+ private static List<ClusterMetadata> reconstruct(long min, long max)
+ {
+ Epoch start = Epoch.create(min);
+ Epoch end = Epoch.create(max);
+ Retry.Deadline retryPolicyThatGetsIgnored =
Retry.Deadline.retryIndefinitely(DatabaseDescriptor.getCmsAwaitTimeout().to(NANOSECONDS),
+
TCMMetrics.instance.fetchLogRetries);
+ Throwable lastError = null;
+ Backoff backoff = new Backoff.ExponentialBackoff(42, 200,
SECONDS.toMillis(1), ThreadLocalRandom.current()::nextDouble);
Review Comment:
I added a new `ExponentialBackoff` in retry to get the semantics I want
(which delegates to `Backoff.ExponentialBackoff`)
I removed retry param from `getLocal` as no impl defines
I added retry on `RuntimeException` for paxos processor
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