print("profile2.js BEGIN"); try { assert.commandWorked( db.runCommand( {profile:2} ) ); huge = 'huge'; while (huge.length < 2*1024*1024){ huge += huge; } db.profile2.count({huge:huge}) // would make a huge entry in db.system.profile print("profile2.js SUCCESS OK"); } finally { // disable profiling for subsequent tests assert.commandWorked( db.runCommand( {profile:0} ) ); }