@Override public void close() throws BlockStoreException { try { buffer.force(); if (System.getProperty("os.name").toLowerCase().contains("win")) { log.info("Windows mmap hack: Forcing buffer cleaning"); WindowsMMapHack.forceRelease(buffer); } buffer = null; // Allow it to be GCd and the underlying file mapping to go away. randomAccessFile.close(); } catch (IOException e) { throw new BlockStoreException(e); } }