private void handleFullAsyncQueue(Object o) {
    AsyncDiskEntry ade = (AsyncDiskEntry) o;
    InternalRegion region = ade.region;
    try {
      VersionTag tag = ade.tag;
      if (ade.versionOnly) {
        DiskEntry.Helper.doAsyncFlush(tag, region);
      } else {
        DiskEntry entry = ade.de;
        DiskEntry.Helper.handleFullAsyncQueue(entry, region, tag);
      }
    } catch (RegionDestroyedException ignore) {
      // Normally we flush before closing or destroying a region
      // but in some cases it is closed w/o flushing.
      // So just ignore it; see bug 41305.
    }
  }
Get serialized form of data off the disk

@since GemFire 5.7
geode-core/src/main/java/org/apache/geode/internal/cache/DiskStoreImpl.java