keith-turner commented on code in PR #4767:
URL: https://github.com/apache/accumulo/pull/4767#discussion_r1693586887
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server/manager/src/main/java/org/apache/accumulo/manager/compaction/coordinator/CompactionCoordinator.java:
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@@ -1070,21 +1071,30 @@ private void cleanUpCompactors() {
var groups = zoorw.getChildren(compactorQueuesPath);
for (String group : groups) {
- String qpath = compactorQueuesPath + "/" + group;
-
- var compactors = zoorw.getChildren(qpath);
+ final String qpath = compactorQueuesPath + "/" + group;
+ final CompactorGroupId cgid = CompactorGroupId.of(group);
+ final var compactors = zoorw.getChildren(qpath);
if (compactors.isEmpty()) {
deleteEmpty(zoorw, qpath);
- }
-
- for (String compactor : compactors) {
- String cpath = compactorQueuesPath + "/" + group + "/" + compactor;
- var lockNodes = zoorw.getChildren(compactorQueuesPath + "/" + group
+ "/" + compactor);
- if (lockNodes.isEmpty()) {
- deleteEmpty(zoorw, cpath);
+ // Group has no compactors, we can clear its
+ // associated priority queue of jobs
+ getJobQueues().getQueue(cgid).clear();
Review Comment:
Its possible that a queue may not exists, so this could throw an NPE. If a
job has never been added for a group then the queue will not exists.
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