@Override public void save() throws IOException { state.lastSavedMs = Time.now(); boolean success = false; try (BufferedWriter writer = new BufferedWriter( new OutputStreamWriter(fileIoProvider.getFileOutputStream( FsVolumeImpl.this, getTempSaveFile()), "UTF-8"))) { WRITER.writeValue(writer, state); success = true; } finally { if (!success) { fileIoProvider.delete(FsVolumeImpl.this, getTempSaveFile()); } } fileIoProvider.move(FsVolumeImpl.this, getTempSaveFile().toPath(), getSaveFile().toPath(), StandardCopyOption.ATOMIC_MOVE); if (LOG.isTraceEnabled()) { LOG.trace("save({}, {}): saved {}", storageID, bpid, WRITER.writeValueAsString(state)); } }