[prev in list] [next in list] [prev in thread] [next in thread]
List: ruby-talk
Subject: Re: Networking: select() blocks for seconds (> timeout)
From: Joel VanderWerf <joelvanderwerf () gmail ! com>
Date: 2010-06-30 21:03:02
Message-ID: 4C2BB101.7030107 () gmail ! com
[Download RAW message or body]
Roger Pack wrote:
>>> Try your code with
>>> BasicSocket.do_not_reverse_lookup=true
>> Three observations:
>>
>> a) I do not think that there can be a DNS lookup between a 'select(x, y,
>> z)' and a 'socket.recvfrom'.
>
> It might, see
> http://www.ensta.fr/~diam/ruby/online/ruby-doc-stdlib/libdoc/socket/rdoc/classes/Socket.html#M001258
>
> Why don't you try it and find out?
Seconded: it's worth a try.
Also, if you really believe this is GC-related, you can prove it by
GC.disable before the select, GC.enable after the recvfrom.
It seems highly unlikely that GC would be eating up 10 seconds.
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic