in src/main/java/com/spotify/sparkey/FileReadWriteData.java [39:51]
public void close() throws IOException {
if (closed) {
return;
}
closed = true;
file.seek(0);
file.write(header.asBytes());
if (fsync) {
file.getFD().sync();
}
Sparkey.decrOpenFiles();
file.close();
}