title: SSL SYSCALL error: EOF detected
body: <p>Following <code>insert statement</code> and entire application backed with <code>redshift</code> was working before I have changed redshift nodes. 
  I just have changed redshift nodes from 4 to 2. 
  Now, I am getting following error while connecting my <code>Postgres</code> server through <code>CodeIgniter</code></p>
  
  <pre><code>Error Number:
  
  SSL SYSCALL error: EOF detected
  
  INSERT INTO "ci_sessions" ("session_id", "ip_address", "user_agent", "last_activity",    "user_data") VALUES ('8aa51cba3c035aac1c2a3f8e43651b6b', '182.237.148.0', 'Mozilla/5.0 (X11;  Ubuntu; Linux x86_64; rv:34.0) Gecko/20100101 Firefox/34.0', 1419056314, '')
  
  Filename: libraries/Session.php
  
  Line Number: 328
  </code></pre>