title: How to upload milions object to google cloud storage
body: <p>Google cloud storage API (XML or Json ) only permit 1 upload per second . </p>
  
  <p><a href="https://cloud.google.com/storage/docs/concepts-techniques" rel="nofollow">https://cloud.google.com/storage/docs/concepts-techniques</a></p>
  
  <blockquote>
    <p>You can update a particular object up to once per second. Updating a particular object faster than once per second may result in 503 Service Unavailable errors. Concurrent updates to distinct objects are not subject to the one update per second limit.</p>
  </blockquote>
  
  <p>So how to upload new 20 milions diffrence object google storage ?</p>
  
  <p>P/s : i have ~20M small file in HDD , so i want to upload all to google cloud storage .</p>