The getmempoolinfo RPC method returns detailed information regarding the active state of the transaction memory pool. It offers insights into various aspects such as the total number of transactions in the mempool, the sum of all virtual transaction sizes, total memory usage, maximum memory usage allowed for the mempool, the minimum fee rates for transactions to be accepted, and the number of transactions that have not yet been broadcast successfully.

How is this used?

getmempoolinfo is essential for monitoring and analyzing the mempool's current state, helping users and developers understand mempool congestion, estimate transaction fees more accurately, and gauge the overall activity and health of the network. By providing data on the size, bytes, usage, and fees related to the mempool, it aids in making informed decisions for transaction submissions and optimizations.