90 sats \ 6 replies \ @k00b 14 Nov 2022 \ on: Binance clogging the mempool? bitcoin
Mempool is currently full and purging. Someone more knowledgeable correct me, but we haven't seen this level of congestion since December 2017.
https://snimgs.s3.amazonaws.com/full-mempool-11-14.png
Is 300mb a fixed size of the mempool or just how the mempool tool did their UI?
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The mempool is not a global state. It runs in the RAM of your computer when you run a full node. Most people have theirs set to the default of 300MBs, but I have mine set to 2000MBs, but I'm also running full RBF on my node. So if you send a tx at a higher rate, it'll either get replaced on computers with full RBF, or replaced on computers which are dropping low fee txs due to their mempool size limits.
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It's the configured default mempool size is my understanding, so most relaying nodes are purging low fee txs to maintain that size.
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sometimes it happens that you lost the transaction but after a while it get confirmed. so maybe the miners increased the size, but the nodes that broadcast the transaction did not.
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since May 2022
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As measured in vBytes. I don't remember the mempool purging, but maybe it was.
We also had a lot of congestion in April '21 getting up to 250 MvB, which most likely resulted in a lot of default mempool purging given segwit was widely adopted by then.
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