title: Bigquery stream: 'Failed to insert XX rows due to timeout'
body: <p>Recent days, our streaming met with </p>
  
  <pre><code>"Failed to insert XX rows. First error: {"errors":[{"reason":"timeout"}],"index":YY}"  
  </code></pre>
  
  <p>During the past half month of continuous streaming from unchanged data source and program scripts, no such failure has been found before.</p>
  
  <p>project id: red-road-574</p>