Set<Long> getAllOplogIds(DiskStoreImpl diskStore) {
    Set<Long> oplogIds = new HashSet<>();
    for (Oplog oplog : diskStore.getAllOplogsForBackup()) {
      oplogIds.add(oplog.getOplogId());
    }
    return oplogIds;
  }
Verifies that compaction works as expected after region is recovered
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/DiskRegionCompactorClearOplogAfterRecoveryIntegrationTest.java