void clear(LocalRegion region, RegionVersionVector rvv) {
    getDiskStore().clear(region, this, rvv);
  }
Stops the compactor without taking a write lock. Then it invokes appropriate methods of super &
current class to clear the Oplogs & once done restarts the compactor.
geode-core/src/main/java/org/apache/geode/internal/cache/DiskRegion.java