core: faster saveTrace by streaming 500 events at a time (#5387)
core: faster saveTrace by streaming 500 events at a time (#5387)


GoogleChrome/lighthouse,mixed/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,mixed/lighthouse,ev1stensberg/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,ev1stensberg/lighthouse,wardpeet/lighthouse,GoogleChrome/lighthouse,wardpeet/lighthouse,umaar/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,umaar/lighthouse,wardpeet/lighthouse,deepanjanroy/lighthouse,wardpeet/lighthouse,mixed/lighthouse,mixed/lighthouse,GoogleChrome/lighthouse,deepanjanroy/lighthouse,deepanjanroy/lighthouse,ev1stensberg/lighthouse