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Thanks windpath for the fast reply! but now I have another noob question... i can reload bitcoind bitcoin.conf without restart p2pool and loose incoming connection? E
You can, obviously you may miss out on a share during the restart. Your bitcoin peer connections will be lost, but p2pool peers will stay, here is what to expect:
p2pool will throw the following error while it can not reach Bitcoind
Failure: twisted.internet.error.ConnectionRefusedError: Connection was refused by other side: 61: Connection refused.
If the bitcoin restart takes more then a minute this message displays in the log and front end:
> ########################################
> Warning: LOST CONTACT WITH BITCOIND for 1.0 minutes! Check that it isn't frozen or dead!
> ########################################