Demux Unable to catch up to head block [help]

I have been using demux for a few months now. It appears that with the number of transactions picking up, the demux becomes slower than usual. The demux instance that i ran becomes unable to catch up with the speed of blocks being generated every seconds.

I was wondering if there are anyone facing this issue and if there are any suggestions on how to improve the situation.

I am using the following demux js eos state history :
https://github.com/simplex-software/demux-js-eos-state-history

Nodeos server is an in-house instance (fully synched).

Thanks.