title: Azure Redis Cache service lost all data
body: <p>I have a Redis cache service in azure. I put my data with hand for testing after a while (2 or 3 weeks later) my all data getting lost so i put my data again and again it  happened 3-4 times. My redis data </p>
  
  <p><code>TTL number is -1</code> 
  do you have any idea. Is there any  reason for lost data.By the way, I didnt restart.
   My Redis service  Basic tier</p>