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Who here has set their mempool max size larger than the default (300MB)? Why?

Are mining pool nodes known for running way above the default? Any reliable sources on that?

I had a 1sat/vbyte transaction that was purged from my mempool over 2 weeks ago. Is it safe to assume it was purged everywhere else? If you were me would you bother broadcasting a high fee transaction with the same input to sweep it back?

mister--wizard 2y ago

i tried that for awhile. cpu load was getting way up there, lightning crashing, ssh responsiveness slowing to crawl, requiring daily reboot of node. increasing zram didnt help. searched web, found sthg suggesting mempool > 300 could br cause. put back to 300 and problem has largely gone away.

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Discussion

sommerfeld 2y ago

Interesting, I though it wouldn't be an issue if one has RAM to spare but I guess there's extra CPU and network load associated with that.

mister--wizard 2y ago

only 4 GB physical ram. wish i had known i needed 8 GB to do anything interesting. and i guess trend lately is toward old notebook computer and away from raspberry pi entirely...

sommerfeld 2y ago

Yeah the 8gb raspi was definitely worth it, specially at 50 USD when I bought it.