title: nodejs memory allocation failure
body: <p>I was using decryption to decrypt "MySql" data. I got the below issue:</p>
  
  <blockquote>
    <p>&lt;--- Last few GCs ---><br>
    31681 ms: Mark-sweep 654.1 (666.5) -> 492.5 (509.8) MB, 267.5 / 0.0 ms
    [allocation failure] [GC in old space requested].<br>
    31839 ms: Mark-sweep 492.5 (509.8) -> 492.2 (506.8) MB, 157.5 / 0.0 ms
    [allocation failure] [GC in old space requested].<br>
    31985 ms: Mark-sweep 492.2 (506.8) -> 492.2 (497.8) MB, 146.2 / 0.0 ms
    [last resort gc].                                32122 ms: Mark-sweep
    492.2 (497.8) -> 492.2 (497.8) MB, 136.8 / 0.0 ms [last resort gc].
    &lt;--- JS stacktrace ---></p>
  </blockquote>
  
  <p>What is it regarding and how to fix it,</p>
  
  <p>Thanks in advance</p>