1) Liteserver queries count 2) Collated/validated blocks count, number of active sessions 3) Persistent state sizes 4) Initial sync progress
* Improve Collator::opt_msg_queue_cleanup, increase collator timeout * Disable importing ext msgs if queue is too big * Extend timeout in collator if previous block is too old --------- Co-authored-by: SpyCheese <mikle98@yandex.ru>