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Any magento/networking experts here ?
californiakebab
Member
in Help
What could be causing a ./mage list-upgrades call to take sub second time on 1 vps and 35 seconds on another ? looked into dns with namebench that doesnt seem to give me any idea .. similar configs on both 4gb kvm ssd vps both of them
thanx all
Comments
No idea what this "mage" thing is, but I'd start by running it with
strace -f -T ./mage list-updatesto see where the 35 seconds are spent.connect(3, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("204.97.212.10")}, 16) = 0 <0.000017>
gettimeofday({1450683221, 798893}, NULL) = 0 <0.000009>
it looks like its taking a long time to do dns looks but i have tried namebench and put the recommended dns
plus tried 8.8.8.8 and 4.2.2.2 too
Seems unlikely to be the problem.
You'd have to post a bit more context to get useful info. You're looking for numbers between angle brackets that are high, those particular system calls completed quickly.
Usually it will block on a
reador something and you can backtrack how it got the descriptor to find out what it is stuck with, or it will be obvious from the data that comes in the read.