title: write data from multiple sparksession using same cluster at same location in parallel
body: <p>i am trying to write some data from different sparksession in parallel using same cluster at same location in &quot;append&quot; mode.</p>
  <p>If i be more specific :
  Actually i am using different EMR notebook, connected with the same EMR, to append different data set at same location in S3.</p>
  <p>Will that work? any ref to deep dive?</p>