Check out the thread http://boudicca.tux.org/hypermail/linux-kernel/2001week16/0345.html ... ...
Dan Kegel
dank@...
Apr 17, 2001 9:47 pm
166
... Thanks for the pointer! I hadn't considered the problem of actually verifying that the data returned was correct. I'll keep that in mind! In my basic...
Shane Kerr
shane@...
Apr 17, 2001 10:47 pm
167
Hello I'm a new user and I have problem running dkftpbench I got the following error message: warning: max_byptes_per_sec 3500 <elcock_hert()10000; clamping to...
tracy_pham@...
Apr 26, 2001 4:02 am
168
... That means that the ftp connection couldn't be established. The '2' is a value from errno.h. What operating system are you using? Also, try applying the...
Dan Kegel
dank@...
Apr 26, 2001 4:38 pm
169
Hi all, I'm a new member of this list. I've faced an error with dkftpbench for benching our server: $ ./dkftpbench -hrostam -n300 -t600 -fx10k.dat -v ... ...
Hamid Reza Shahriari
shahriari@...
Apr 29, 2001 12:13 pm
170
... I think this is saying that dkftpbench connected but got no response to the GET command in five seconds. A few questions: 1. how fast is the link between...
Dan Kegel
dank@...
Apr 29, 2001 3:53 pm
171
... 100 MB/S ... I use a firewall in transparent mode on special OS between dkftpbench and wu-ftp. ... Unfortunatelly firewall is not free and it is in...
Hamid Reza Shahriari
shahriari@...
May 8, 2001 3:47 pm
172
... OK, the firewall is running a special OS. What OS is the server running? What OS is the client running? ... Still looks like ftpbench is timing out on a...
Dan Kegel
dank@...
May 8, 2001 5:24 pm
173
Dear Dan, The problem was solved. There was a bug in our ftp proxy of firewall. It was stalled in some steps of protocol. The dkftpbench helped us to find this...
Hamid Reza Shahriari
shahriari@...
May 15, 2001 7:22 am
174
Hamid, thanks for letting me know dkftpbench helped! - Dan...
Dan Kegel
dank@...
May 15, 2001 10:53 am
175
FTP Bencharoos, I don't know if everybody has already seen this or not, but the following article on benchmarking various OS's is somewhat interesting in the...
Shane Kerr
shane@...
Jun 21, 2001 11:53 am
176
... I read the article, and got turned off by their incorrect terminology and by the fact that they ignored things like Solaris's /dev/poll, Linux's realtime...
Dan Kegel
dank@...
Jun 21, 2001 5:13 pm
177
... Hi Maryam, my code currently does only ftp, but I've been considering bringing it up to date and adding http and smtp support as well, and maybe banging...
Dan Kegel
dank@...
Aug 21, 2001 4:25 pm
178
Somehow I never got around to making dkftpbench work under red hat 7.1 (which has a pickier compiler and a few .h files in different spots). Thanks to Nimesh...
Dan Kegel
dank@...
Sep 5, 2001 5:23 am
179
That's a good idea. I can easily do that. How would you like to specify the addresses? As a file, with one numerical IP address per line, or with some sort...
Dan Kegel
dank@...
Sep 6, 2001 2:44 am
180
... I'm not sure what this means. I assume we're talking 500K simultaneous connections.... Since port addresses are 16-bits, there are only 65536 on a single...
Shane Kerr
shane@...
Sep 6, 2001 6:56 am
181
... It's much easier than that. Just configure multiple ip addresses on the client box, then modify the client program to cycle through the addresses. That's...
Dan Kegel
dank@...
Sep 6, 2001 4:26 pm
182
... Oh yeah. Nevermind. :) -- Shane Carpe Diem...
Shane Kerr
shane@...
Sep 6, 2001 7:36 pm
183
Nimesh wrote to request a change in dkftpbench to support multiple IP addresses on the client, to increase the number of (local port, local ip adr) tuples ...
Dan Kegel
dank@...
Sep 8, 2001 6:05 pm
184
... First draft is done but not well-tested (and a bit ugly); it's http://www.kegel.com/dkftpbench/dkftpbench-0.25.tar.gz dkftpbench is now hardwired to use...
Dan Kegel
dank@...
Sep 8, 2001 11:40 pm
185
... Uploaded second draft of Poller rewrite. It's no longer as ugly. In fact, integrating Poller cleaned things up a bit. The code is no longer O(N) anywhere...
Dan Kegel
dank@...
Sep 10, 2001 4:56 am
186
I updated dkftpbench to actually work with Poller_sigio, I think. (Had to juggle things around a bit. one-shot notification methods like Linux's sigio are a...
Dan Kegel
dank@...
Sep 11, 2001 4:01 pm
187
... I did notice a few interesting things: running both wu-ftpd and dkftpbench on the same system and trying to do 400 users at 1000 bytes/sec each gets you...
Dan Kegel
dank@...
Sep 11, 2001 6:17 pm
188
Spent some time running dkftpbench with sigio through its paces. Found that running dkftpbench and wu-ftpd on same system, and trying to handle 500 users, is a...
Dan Kegel
dank@...
Sep 12, 2001 4:51 am
189
Poller_sigio had a bug in how it fell back to poll() on SIGIO. Poller_select had a silly bug setting the timeout. These are fixed, and I can now get up to 3000...
Dan Kegel
dank@...
Sep 13, 2001 12:58 am
190
Try making this change to bench.cc: 284c292 < if (err && (err != EINTR)) { ... I simplified that section recently, and evidently introduced a...
Dan Kegel
dank@...
Sep 20, 2001 3:14 pm
191
0.31 should fix a boneheaded mistake that kept 0.30 from working except under extreme load. In 0.32 I hope to add an option, -a, to detect and use all local...
Dan Kegel
dank@...
Sep 21, 2001 3:48 pm
192
... They can indeed. One tricky part is that the buffer length parameter for this interface is the number of bytes, not the number of ifreq structures...
Shane Kerr
shane@...
Sep 22, 2001 8:13 am
193
... Uh, there wasn't, but there is now. Version 0.33 adds a new -B flag which lets you set the threshold; say -B1 to set the min to 1 byte/sec, which just...
Dan Kegel
dank@...
Sep 24, 2001 5:19 am
194
At Nimesh's request, I added a -a option to use all the local ip addresses (except localhost). If you use -a, it will manage the ephemeral port range by...
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