search for: mosix

Hi all !!! I have got a MOSIX-Cluster and wanted to upgrade to ext3-fs, but that didn't work out. The ext3-fs patch FAILED to patch the MOSIX-kernel and if I tried to apply the ext3- patch before, the MOSIX-patch failed. Can someone help me with that ? Perhaps someone knows of a conclusion for that problem or can tell me...

Has anyone tried Asterisk on a MOSIX cluster? My concern is if there is any adiitonal laltency when when the processes are moved from on node to another. Anyone tried it yet? thaks, darran ps. Anyone have any info on MYSQL support with Asterisk? I see the conf file but I dont see a database schema to install... -------------...

Mosix is a cluster operating system that is a set of kernel patches to Linux on i386 machines. It allows processes to migrate to other nodes on the cluster transparently. See www.mosix.org for details. However, my R processes were refusing to migrate. Using strace, and delving into the R code, I found...

Hi, This is not an R question per ce, but I feel like this is a right community to ask it. As a part of our work we run a lot of non-interactive computational jobs. To increase the throughput we would like to distribute the load over the entire network and we are looking at Linux network as a platform. Ideally we would like to be able to submit a job to the network, rather than to a computer, and

...t but unfortunately too > > crude approach of handling Control-C on UNIX-likes with longjmp is > > biting us. We really do need to bite the bullet and fix > this properly. > > Maybe Duncan and I can coordinate getting a handle on this. > > please do! It still affects Mosix systems, since the signal > handling > in longjmp causes a system call on the home machine. Mosix tries to > migrate processes to less-loaded machines, but R's constant > setjmp'ing > means the processes get stuck on the machines where they are > started from. >...

Hi all, I was hoping to get some advice about a problem that I realize will be difficult to reproduce for some people. I'm running R 1.7.1 on an openMosix (Linux) cluster and have been experiencing some odd slow-downs. If anyone has experience with such a setup (or a similar one) I'd appreciate any help. Here's a simplified version of the problem. I'm trying to run the following code: ## N <- 100000; a <- numeric(N); b <- nu...

Dear all, I wrote the following batch script on a iMac, and ran it on a linux mosix cluster. tu <- read.table("cage.mm5.tags.rna_lib.CAA-CAJ.tu-reshape.table") tu_reshaped <- t(reshape(tu[1:50,], direction="wide", timevar="tu", idvar=c("rna","lib"))) write.table(tu_reshaped, "cage.mm5.tags.rna_lib.CAA-CAJ.tu-reshaped.ta...

...ng cluster doing samba? A simple diagram of the setup I have in mind: Users (+/- 500) ||| Headnode(Director 1) - Headnode (Director 2) | Worknode - Worknode - Worknode ... | Large RAID5 NAS boxes (NFS only) Thanks for any information/pointers in the right direction. (all directions are open: lvs,mosix,<???>) Regards, |^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | Leroy(dot)vanLogchem (at) wldelft(dot)nl | Systems Group | WL | Delft Hydraulics - http://www.wldelft.nl |________________________________________

...errupts but prevents bugs >> caused by interrupting computations in a way that leaves the >> system in an inconsistent state. It also reduces the number >> of system calls, which can speed up computations on some >> platforms and make R more usable with systems like Mosix. and this has already caused grief here (actually it has several days ago, when I switched our users to R-1.8.0beta __ BUT THEY DIDN'T TELL ANY R DEVELOPER __ ) for a user who does use *large* matrices. When accidentally calling print() {implicitly}, we have been used here to press CTRL+c...

I recompiled my kernel to link in ltsp with open mosix. Now wen the client machine boots I keep geting the message: Can not load a ramdisk with an old kernel image Can you tell me why

Hi there, We're currently attempting to explain a slowdown of an LVQ-type parallel analysis we're working on. We are benchmarking our analysis running over openMosix against the same running via SNOW for R. Both perform similarly on small datasets, but on large datasets SNOW drastically outperforms openMosix. However, these results are achieve running SNOW on the default RedHat kernel (Enterprise Edition, RHEL-3) and mosix on the same kernel patched with...

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...e directly. thanks. mailto:luyseyal@austin.cc.tx.us details: our college would like to implement a beowulf clustered server to serve a huge win9x app to labs at various campuses across our WAN. basically, i need to know if anyone has a PVM version of samba or if anyone has other suggestions like MOSIX or other ideas. 300 max simultaneous users winNT memory footprint can reach 250k/user thanks, remember to email me directly, -stephen waters austin community college mailto:luyseyal@austin.cc.tx.us

...; single machine, but the calculation of the objective function will be > distributed. So checkpointing at the level of the optimization > function is a good fit to my needs. There are some cluster OS's that > provide a kind of unified process space across the processors (scyld, > mosix), but we're not using them and checkpointing them is an unsolved > problem. At least, it was unsolved a couple of years ago when I > looked into it. > A few years ago, Condor, yet another job queuing tool, had some checkpointing features. Jun Yan had a presentation on his WWW site a...

I am building a small cluster out of some PCs I have laying around and I was wondering if anybody knew of an ogg encoder that could run distributed. I know that the performance will most likely be less than my desktop machine but its just for fun. Justin Graham <HR NOSHADE> <UL> <LI>application/pgp-signature attachment: stored </UL> -------------- next part

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...erver machine. The PXE install has worked on all the older machines in the cluster, so I know PXE is working. However, these new Intel server machines only support PXE booting from their Marvell NIC (I already tried getting the latest BIOS to avoid this hassle). Since the cluster is running open mosix, Centos 3.7 is which the latest which can be used. The kernel and initrd image in the isolinux directory (on cd or in the repos) has no driver for the Marvell NIC. lspci -n and lspci shows the following information for the Marvell NIC : 02:00.0 Class 0200: 11ab:4361 (rev 17) 02:00.0 Ethernet Con...

Dirk's mail to r-devel bounced because of his peculiar return address. He asked me to forward this for him. P.S. I have tried building R with atlas2 on a Debian GNU/Linux 2.2 system but I have not yet managed to out-fox the configure script to get it to use the desired shared object library. -- Douglas Bates bates@stat.wisc.edu Statistics Department

Hi there, We're attempting to run an LVQ analysis over a cluster of machines via R and openMosix. R spawns several child processes simply by writing commands to several files and using system() to start a slave process. The processes migrate perfectly, and often finish with no reported errors, writing their results into respective files for the parent process to piece together. However,...

...ss > > on Libra now > > but it's been 5 hours since I started the read request and > > the disk swap > > is so busy that I cannot tell when the process will finish. > > There does > > appear to be a problem with this R job using system swap > > space on Mosix so > > a quick test and fix for this is coopt another machine and > > aggregate some > > RAM from another machine - if there is physical space in the machine - > > sometime tommorow hopefully. > > > > Stay tuned. > > > > > > > > > >...