2016-12-07 8:27 GMT+01:00 Peter Rathlev <pe...@rathlev.dk>: > stores _everything_, including debug messages from "execute", you might > want "Storage=volatile" there as well. You probably already have >
thanks, i missed this volatile thing > What exactly does "slow down" mean here? Are you missing messages in > the log files? Or are requests not answered in a timely fashion? > "slow down" means an increment in the time consumed by bind to answer a query. "heavy load" means about 20 millions query / day per machine, with peaks of about 400 query / second. Using tcpdump i noticed an average increment of about 2% in the "Query time:" field of "dig", when using syslog instead of files, but I admit I only run a short and home-made benchmark I also noticed different beaviour with different syslog daemons ( not using the last version ) : syslog-ng hangs named for 1-2 seconds, when using tcp and the remote syslog goes down ; rsyslog works more smoothly ; the old syslogd is unable to handle such a mass of messages Regards Ivan
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