From: Hal Murray <hmurray@megapathdsl.net>
To: bloat-devel <bloat-devel@lists.bufferbloat.net>
Subject: Re: PF_ring and friends: Options for making Linux suck less when capturing packets
Date: Wed, 19 Oct 2011 10:23:14 -0700 [thread overview]
Message-ID: <20111019172314.BA1D8800037@ip-64-139-1-69.sjc.megapath.net> (raw)
In-Reply-To: Message from Stephen Hemminger <shemminger@vyatta.com> of "Wed, 19 Oct 2011 09:52:44 PDT." <20111019095244.27354f74@nehalam.linuxnetplumber.net>
> USB sticks are real slow. Even some infinitely fast capture isn't going to
> get around that. Get a real SSD and put it in enclosure that supports USB
> 3.0?
I don't think a SSD is necessary.
100 megabits is 12.5 megabytes.
I just did a quick test. I can read 19-20 megabytes/sec from a rotating disk
over USB.
That's the raw hardware. I don't know how much overhead the file system adds.
--
These are my opinions, not necessarily my employer's. I hate spam.
next prev parent reply other threads:[~2011-10-19 17:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-19 16:44 Dave Taht
2011-10-19 16:52 ` Stephen Hemminger
2011-10-19 17:23 ` Hal Murray [this message]
2011-11-05 11:30 ` Petri Rosenström
2011-10-19 17:02 ` Jim Gettys
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20111019172314.BA1D8800037@ip-64-139-1-69.sjc.megapath.net \
--to=hmurray@megapathdsl.net \
--cc=bloat-devel@lists.bufferbloat.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox