public RegionFactory<K, V> setDiskSynchronous(boolean isSynchronous) {
    attrsFactory.setDiskSynchronous(isSynchronous);
    return this;
  }
Sets whether or not the writing to the disk is synchronous.

@param isSynchronous boolean if true indicates synchronous writes
@return a reference to this RegionFactory object
@since GemFire 6.5
geode-core/src/main/java/org/apache/geode/cache/RegionFactory.java