private void executeInThreadPool(Runnable task) {
    try {
      evictorThreadPool.execute(task);
    } catch (RejectedExecutionException e) {
      // ignore rejection if evictor no longer running
      if (isRunning()) {
        throw e;
      }
    }
  }
Triggers centralized eviction(asynchronously) when the ResourceManager sends an eviction event
for on-heap regions. This is registered with the ResourceManager.

@since GemFire 6.0
geode-core/src/main/java/org/apache/geode/internal/cache/eviction/HeapEvictor.java