keith-turner commented on code in PR #3551:
URL: https://github.com/apache/accumulo/pull/3551#discussion_r1256579210
##########
server/manager/src/main/java/org/apache/accumulo/manager/compaction/queue/CompactionJobQueues.java:
##########
@@ -51,6 +52,46 @@ public void add(TabletMetadata tabletMetadata,
Collection<CompactionJob> jobs) {
}
}
+ public KeySetView<CompactionExecutorId,CompactionJobPriorityQueue>
getQueueIds() {
+ return priorityQueues.keySet();
+ }
+
+ public long getQueueMaxSize(CompactionExecutorId executorId) {
+ // Handle if the queue no longer exists.
+ if (priorityQueues.get(executorId) == null) {
+ return 0;
+ }
+ return priorityQueues.get(executorId).getMaxSize();
Review Comment:
There is a race condition calling get() twice on the map. Could do the
following to only call it once an avoid the race.
```suggestion
var prioQ = priorityQueues.get(executorId);
return prioQ == null ? 0 : prioQ.getMaxSize();
```
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