It seems like when the log is huge and the browser is far away from the nodejs process (e.g. Bangalore <-> US), the nodejs process can crash with out of memory
Fri, 23 Sep 2016 05:48:11 GMT express deprecated req.param(name): Use req.params, req.body, or req.query instead at opt/cdap/ui/server/express.js:167:11 Fri, 23 Sep 2016 05:48:11 GMT express deprecated req.param(name): Use req.params, req.body, or req.query instead at opt/cdap/ui/server/express.js:169:11 FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - process out of memory