Is there any max limit of a mempool?

[CoinLearn]

I mean 32mb/64mb/128mb beyond which it will crash or wont relay new Tx or remove old Tx to accept new one. If there is no such fixed size, I'd like to know the max limit of an average node...

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[achow101]

Bitcoin Core has a default max mempool of 300 MB, after which point it will start kicking transactions and increasing the minimum fee to get accepted.

[CoinLearn]

Bitcoin Core has a default max mempool of 300 MB, after which point it will start kicking transactions and increasing the minimum fee to get accepted.

Thanks a Lot. Could u plz point me to the relevant part of the code in Github?

[achow101]

Bitcoin Core has a default max mempool of 300 MB, after which point it will start kicking transactions and increasing the minimum fee to get accepted.

Thanks a Lot. Could u plz point me to the relevant part of the code in Github?

I think it happens in this function: https://github.com/bitcoin/bitcoin/blob/master/src/validation.cpp#L527

[shorena]

Bitcoin Core has a default max mempool of 300 MB, after which point it will start kicking transactions and increasing the minimum fee to get accepted.

Thanks a Lot. Could u plz point me to the relevant part of the code in Github?

In case you want to change that behaviour you dont have to modify the source. You can use the maxmempool setting (either pass at start or via .conf file).