in my mempool instance, how can i display the "purging" field instead of "minimum fee" while running a 1gb mempool? nostr:npub1hvw02fgyxhl5whxckv4vkglraeamar7r3a54zuztg7v9zw28vukq5a5e8q nostr:npub1uvl7vhclmezvdhqha6eclkksln40rjhgwgsggvew683jf93fr4pq3mq3sd
https://mempool.space/docs/faq#how-big-is-mempool-used-by-mempool-space