From: James Gray <james@...>
Date: 2009-06-30T06:12:23+09:00
Subject: [ruby-core:24085] Re: [Bug #1696] http downloads are unuseably slow

On Jun 29, 2009, at 1:38 PM, Eero Saynatkari wrote:

> Excerpts from Tanaka Akira's message of Mon Jun 29 21:17:58 +0300  
> 2009:
>> In article <4a464441bf3f7_13bd3907d016634@redmine.ruby-lang.org>,
>>  Steven Hartland <redmine@ruby-lang.org> writes:
>>
>>> This I've tracked down to the net/protocol module and the  
>>> Net::BufferIO::rbuf_fill method which is using a timeout block to  
>>> wrap the @io.sysread(1024) call. This is clearly an extremely bad  
>>> way to do this, totally crippling the performance.
>>
>> There is a reson to use timeout().  It is used to fix
>> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=265429
>>
>> Before the fix, IO.select was used in rbuf_fill.
>
> On the face of it, using timeout does not seem like the
> optimal fix to the problem...speaking of, can anyone
> reproduce this issue currently, or has it gotten fixed
> otherwise in the 5 intervening years?

Well, this definitely sounds like the kind of thing I am seeing.

James Edward Gray II