@Override
  public void runWhileEvictionDisabled(Runnable r) {
    final boolean disabled = disableLruUpdateCallback();
    try {
      r.run();
    } finally {
      if (disabled) {
        enableLruUpdateCallback();
      }
    }
  }
This code needs to be evaluated. It was added quickly to help PR persistence not to consume as
much memory.
geode-core/src/main/java/org/apache/geode/internal/cache/AbstractRegionMap.java