dlmarion commented on code in PR #5726:
URL: https://github.com/apache/accumulo/pull/5726#discussion_r2208239250


##########
server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java:
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@@ -712,6 +717,44 @@ public void run() {
           err.set(null);
           JOB_HOLDER.reset();
 
+          // consecutive failure processing
+          final long totalFailures =
+              errorHistory.values().stream().mapToLong(p -> 
p.getSecond().get()).sum();
+          if (totalFailures > 0) {
+            LOG.warn("This Compactor has had {} consecutive failures. 
Failures: {}", totalFailures,
+                errorHistory);

Review Comment:
   Yeah, I guess that I'm assuming the Throwable in 
`Map<TableId,Pair<Throwable,AtomicLong>>` would not really change in 
consecutive failures. I guess we could change it to `List<Pair<>>`, or remove 
the `Throwable` entirely and just make sure we log it. The exception class does 
get logged in the Coordinator when the compaction fails.



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