Cool, check your apps that automatically start-up. Kill those not needed & just keep that RAM from getting over utilized.
Yep, it looks much better now. The log is cut off so no audio thread timing info to compare but since everything else has improved I'll bet that it has improved as well.
19:29:42.259: Output 'adv_stream': Number of lagged frames due to rendering lag/stalls: 9 (0.0%)
19:29:42.259: [rtmp stream: 'adv_stream'] Freeing 6 remaining packets
19:29:42.259: Video stopped, number of skipped frames due to encoding lag: 9/110702 (0.0%)
19:29:42.261: ==== Streaming Stop ================================================
19:29:42.298: warning: 2 frames left in the queue on closing