search for: neck

...arge arrays in the end of struct xen_netbk. 8. Add more checks in netif_page_release(). Current netback uses one pair of tasklets for Tx/Rx data transaction. Netback tasklet could only run at one CPU at a time, and it is used to serve all the netfronts. Therefore it has become a performance bottle neck. This patch is to use multiple tasklet pairs to replace the current single pair in dom0. Assuming that Dom0 has CPUNR VCPUs, we define CPUNR kinds of tasklets pair (CPUNR for Tx, and CPUNR for Rx). Each pare of tasklets serve specific group of netfronts. Also for those global and static variables...

...ike to plan ahead and put the filesystem on an LVM volume now. In general I don't mind foregoing features for now if I can enable them later on without losing data or having to rebuild from scratch. Also, my understanding from the various benchmarks posted around is that ext3 and reiserfs are neck-and-neck in terms of speed. Reiserfs may have a slight advantage but I'd rather put my trust in ext3 given past experiences. Does that sound reasonable and accurate? Thanks in advance for the info! -Joel

...rebuild CentOS 5.5 on it, but I want to leave some free space for whatever comes up and also dual-boot Vector Linux. Which, at last, brings me to the question... Is there any reason to use LVM on a personal desktop install of CentOS? It seems to me, for my purposes, that LVM is just a pain in the neck -- although I've always just let CentOS set it up during the install in the past. I would like to be able to use parted to resize partitions when I want to, and also I'd like Vector Linux to be able to read and write data to the CentOS partition. Would I be missing something by not install...

...all, they could go public on the product. Linux has a very steep learning curve. A Windows application that would do exactly the same would be a home run. Note: I am a Linux expert user, but it took me years to get here. And still, moving from regular RHEL 6.0 to Fedora 20 (RHEL 7) is a pain in the neck. The .NET framework and Windows server 2012 are miles away in terms of friendliness and on equal footing on performance. I don?t mean another slow cygwin port, I man a native Asterisk for windows. In fact, I would invest on the project if somebody wants to do it.

...h/sshd_config DebianBanner no And restart your SSH daemon: /etc/init.d/ssh restart or service ssh restart This doent change anything. Another question why user cant hide SSH info as well? why it needs to be publicly visible? (I read that only recompiling would fix that but this is pain in the neck) ThX!

I''m looking at the domain creation pains in the neck managing active or shutdown domains, and the difficulty of monitoring Xen in a non-commercially installed setup without having to log into the Xen server. It strikes me that Webmin has already done a huge amount of the necessary user management, resource management, and user interface work for...

In order to get more information on IO performance problems I created the script below: #!/usr/sbin/dtrace -s #pragma D option flowindent syscall::*write*:entry /pid == $1 && guard++ == 0/ { self -> ts = timestamp; self->traceme = 1; printf("fd: %d", arg0); } fbt::: /self->traceme/ { /* elapsd =timestamp - self -> ts; printf("

...g the shares using 2x1GB and 2x10G. However the clients are only getting 40-50MB/s. With samba3 I think we had up to 80-90MB/s. Using a 100MB/s link for the client we see 12-13MB/s (wire speed). Using NFS (3) we see up to 120MB/s (GB). How can we improve the speed ? How can we find the bottle neck ? (I tested already various samba versions (4.4{5,6}) without any success. -- Bye, Peer ________________________________________________________ Max-Planck-Institut für Biogeochemie Dr. Peer-Joachim Koch Hans-Knöll Str.10 Telefon: ++49 3641 57-6705 D-07745 Jena...

...LLVM to me. > > I made a couple of sizes at > http://web.student.tuwien.ac.at/~e0325716/llvmlogo.html > > The smaller sizes feature only her head as suggested by Felipe. The > smallest size has Helvetica instead of Serif to have a sharper outline > of the characters. Maybe her neck could be part of the small sized image too, something like the attached one but with your text added beneath? P.S.: Resizing the .ai (after converting to svg) yields in a nicer 128x128 image for the full dragon. Best regards, --Edwin -------------- next part -------------- A non-text attachment w...

Ralf, It looks like fixing 'make distcheck' is going to be a huge pain in the neck. Is it not possible to make Jenkins do 'make check' instead of 'make distcheck'? Erik -- ---------------------------------------------------------------------- Erik de Castro Lopo http://www.mega-nerd.com/

Is there any faster implementation of logistic regression than glm function in base package in R? I am working on simulation study and discovered glm fitting part is the bottle neck of my program. -Masahiko

I tried to get some help from support but they acted like I was an idiot for even trying. I know there is a way but I'm not sure how. I'll keep checking back in the forums in case someone passes through this neck of the woods.

...<----- ppp0 -----> NET What I just realised was that all egress traffic on eth0 gets shaped, squid gets data from ppp0 and hence is not shaped. Does this mean that squid recieves the data at full speed and then struggles to pass the data to the client who is shaped, thus becoming the bottle neck? Just wondering if I should apply some ingress shaping specifically for squid, to prevent squid from hogging all the bandwidth while downloading a large file... Thanks in advance -- Kenneth Kalmer kenneth.kalmer@gmail.com http://opensourcery.blogspot.com

...------------------------------------- > > There are two camps: one camp advocate compiling partitions via multi-process, > the other one favor multi-thread. > > Inside Apple compiler teams, I'm the only one belong to the 1st comp. I think > while multi-proc sounds bit red-neck, it has its advantage for this purpose, and > while multi-thread is certainly more eye-popping, it has its advantage > as well. > > The advantage of multi-proc are: > 1) easier to implement, the process run in its own address space. > We don't need to worry about they ca...

Hi, This is not a DTrace technical question (so, please don''t flame me for it) :) This is regarding the DTrace (un)conference TShirt. I am curious to know what engine is it. Could not figure it out. Thanks and regards, Sanjeev. -- Solaris Revenue Products Engineering, India Engineering Center, Sun Microsystems India Pvt Ltd. Tel: x27521 +91 80 669 27521

.... So the CGI script takes some form parameters, opens a pipe to an R process, loads up some Bioconductor libraries, executes some R commands and takes the ouput and creates a web page. It is all very neat and works well. I am trying to make my cgi scripts quicker and it turns out that the bottle-neck is the loading of the libraries into R - for example loading up marrayPlots into R takes 10-20 seconds, which although not long, is long enough for users to imagine it is not working and start clicking reload.... So I just wondered if anyone had a neat solution whereby I could somehow have the req...

...----------------------------- > > There are two camps: one camp advocate compiling partitions via > multi-process, > the other one favor multi-thread. > > Inside Apple compiler teams, I'm the only one belong to the 1st comp. I > think > while multi-proc sounds bit red-neck, it has its advantage for this purpose, > and > while multi-thread is certainly more eye-popping, it has its advantage > as well. > > The advantage of multi-proc are: > 1) easier to implement, the process run in its own address space. > We don't need to worry about the...

...les of, say, 10? This way I get the general trend of the data w/o actually reading the entire thing. The option 'skip' in read.table simply skips the first n rows and reads the rest. I do understand that once the full data set (40k rows) is read-in, I can manipulate the data. But the bottle-neck here is the first read/scan of data. I searched in the forum using key words (conditional skip/skip reading rows/skip data/conditional data read) etc. but couldn't find relevant conversations. I apologize if this has already been discussed since it does seem hard to imagine that nobody has com...

...ing the same servers/storages with ftp, ssh, rsync, nfs we are on the max. of GBit or with the 10Gbit Storage/server on the max of the storage we currently own. (about 400MB/s) E.g. from my Mac Pro I get smb r/w +- 40MB/s, with ftp I get 90MB/s on a 1Gbit Server. So I try to eliminate some bottle necks. But where are they? I know there are some protocol overheads etc. comparing smb and e.g. ftp. So what kind of setup serverside may get better performance? What kind of Hardware are you using? Faster NICs (usually I have INTEL ones) faster cpu? Different generation? Any feedback and suggestio...

...t enough, maybe there's something >wrong with your mp3 files? The ices log files might have more useful >info. > > Hm ... the two servers are in the same rack. From the one there is no problem to recive data and the other has the troubles. The connection can't be the bottle neck. The MP3 s seams to be ok. The ices.log told me nothing about an error with the MP3-Files. The only entry I found was: "Error during send: Libshout reported send error, disconnecting: Socket error" But I can't relate this message to the "to far behind"-Mesage. There a...