jmark99 commented on a change in pull request #2214:
URL: https://github.com/apache/accumulo/pull/2214#discussion_r679439426



##########
File path: 
server/gc/src/main/java/org/apache/accumulo/gc/GarbageCollectionAlgorithm.java
##########
@@ -292,28 +292,29 @@ private void deleteConfirmed(GarbageCollectionEnvironment 
gce,
 
   public void collect(GarbageCollectionEnvironment gce) throws 
TableNotFoundException, IOException {
 
-    String lastCandidate = "";
+    Iterator<String> candidatesIter = getCandidates(gce);
 
-    boolean outOfMemory = true;
-    while (outOfMemory) {
-      List<String> candidates = new ArrayList<>();
-
-      outOfMemory = getCandidates(gce, lastCandidate, candidates);
+    while (candidatesIter.hasNext()) {
+      List<String> batchOfCandidates = 
gce.readCandidatesThatFitInMemory(candidatesIter);

Review comment:
       @ctubbsii, I created a separate PR to address this as the issue was 
already closed and merged. See #2216.
   
   I'm hoping the IT timeout was a fluke. Not sure if it is included in the 
Sunny tests, but I have run them several times with no timeout.




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