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I just read this blog: https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/ <https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/> about scaling to 12 Million Concurrent Connections on a single server and it got me thinking. Would it be possible to scale Dovec...

...script out_file = "hybrid.pdf" pdf(out_file, height=8.5, width=11) myvalues_1M <- read.csv("hybrid_sims_1M.csv",head=TRUE,sep=",") plot(myvalues_1M$num_sims_per_thread,myvalues_1M$time_per_sim,xlab="Number of Simulations per Thread",ylab="Time per 1 million Simulations(in milliseconds)",col="red",main="For 1 million simulations") lines(myvalues_1M$num_sims_per_thread,myvalues_1M$time_per_sim,col="red") myvalues_5M <- read.csv("hybrid_sims_5M.csv",head=TRUE,sep=",") plot(myvalues_5M$num_sims_pe...

Hi All I have a vector of about 15 million numbers which I would like to plot. The goal is the see the distribution. I tired the usual steps. 1. Histogram : never gets complete my window freezes w/out log base 10 2. Density : I first calculated the kernel density and then plotted it which worked. It would be nice to superimpose histogra...

On Tue, 21 Feb 2017 09:49:39 -0500 KT Walrus wrote: > I just read this blog: https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/ <https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/> about scaling to 12 Million Concurrent Connections on a single server and it got me thinking. > While that's a nice artic...

I have no idea as to how to size an email server. I was approached by a customer that wanted a single server with RAID 1 disks to handle about 5 million emails a day. In general terms, what parameters should I take into account to size the hardware specs when the average email is about 10kb, the smalles email is 2kb and the largest email is about 5meg (with attachment) thanks, -- ------------------------------------------------------------ Erick...

Dear all, I was working on number of files and at the end I got a data frame with approx. million rows.To prin this data frame in output, I used capture.output(print.data.frame(end,row.names=F), file = "summary", append = FALSE) where end is the name of my data frame and summary is the name of my output file. but when I checked the output there were only 10000 rows and at the last...

If someone posted already, forgive me I get the digest. http://www.tgdaily.com/content/view/43480/108/ Scientists get a million Linux kernels to run at once Scientists at Sandia National Laboratories in Livermore, have run more than a million Linux kernels as virtual machines. (how long before shared hosts use this....lol) The technique will allow them to effectively observe behaviour found in malicious botnets, or netw...

Hi all, Does anyone uses astDB for a large amount of data, in special for implementing black lists with millions of numbers (i'd like about 2 or 3 million)? That would be held in memory right? Is this (memory consumption) the only problem I could face? Att. Gabriel -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-users/attac...

Xapian Index 253 million documents = 704G I just build my largest single Xapian index with 253 million unique documents on single server using single hard disk, less that 8G RAM and single processor 2.0 GHz. I do not see any search performance decreases in searching my indexes between 100 million and 250 million, which in...

I'm trying to sync up 54 million files. I can break it down into different applications, but I still have to accomplish 17 million files in one "chunk" if possible. I'm using a fast (v440) cpu system with 32G ram. Originally I was running out of memory (seemed to increase like crazy with --delete on). I've up...

I have a large (1.5TB) partition with millions of files on it. e2fsck has been running nearly 12 hours and is still on "Checking directory structure". Any tips for speeding this along? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100831/86...

...'Product'. Do you wish to write this? CentOS is not approved for DOD use. In fact, CentOS is not now, nor has it ever been *certified* for anything. Certifications require people to PAY to certify a product. Specifically, EAL4 Certification, a requirement for the DOD, costs up to 2.5 million dollars .. see this link: http://en.wikipedia.org/wiki/Evaluation_Assurance_Level#Impact_on_cost_and_schedule That cost would be for each main version of CentOS (2.1, 3, 4, 5, 6, and 7) .. so the cost to have all 6 previous major versions certified would be: 6 x $2.5 Million = $15 Million dolla...

What is the recommended amount of time to keep sessions around in the database (i store them in a sessions table). IF you get 1 million requests per day you are going to get 1 million new session entries in the DB. This would need some serious cleaning so just wondering what a safe cleanup time would be. Also does anyone know how to prevent new sessions records from being created if session vars are not needed? This seems like a...

Thank you for your hint. I really mean I am planning to store millions of files on the file system. Then may I ask that what is the maximum number of files which could be stored in one directory without affecting the performance of web server? At 2018-11-03 16:03:56, "Walter H." <Walter.H at mathemainzel.info> wrote: >On 03.11.2018 08:44, y...

...> production. > > The system''s storage is based on code which writes many files to > the file system, with overall storage needs currently around 40TB > and expected to reach hundreds of TBs. The average file size of the > system is ~100K, which translates to ~500 million files today, and > billions of files in the future. This storage is accessed over NFS > by a rack of 40 Linux blades, and is mostly read-only (99% of the > activity is reads). While I realize calling this sub-optimal system > design is probably an understatement, the design of t...

Gentoo Linux 2.6 8 AMD Opteron 64-bit Processors 32GB Memory -------------------------------------------------------------------------------- Environment: ------------------ XAPIAN_FLUSH_THRESHOLD=21000000 XAPIAN_FLUSH_THRESHOLD_LENGTH=16000000 XAPIAN_PREFER_FLINT=True Indexing 20 million documents: --stemmer=none ------------------------------------------- real 79m9.378s user 77m28.696s sys 1m36.654s # delve /home/kevin/index --------------------------------------- number of documents = 19999995 average document length = 8.18631 PS: In my scenario after 25 million reco...

Hi, I used postfix always_bcc to backup mail. And up to now the backup account has half million mails in cur/, when I first time tried to receive the mail by outlook, it failed , no responds. Does any one has some good idea to deal with this problem? Thanks

> On Feb 21, 2017, at 11:12 PM, Christian Balzer <chibi at gol.com> wrote: > > On Tue, 21 Feb 2017 09:49:39 -0500 KT Walrus wrote: > >> I just read this blog: https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/ <https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/><https://mrotaru.wordpress.com/2013/10/10/scaling-to-12-million-concurrent-connections-how-migratorydata-did-it/ <https://mro...

Hi, Would you please let me know the performance of asterisk realtime in case I will have millions of SIP users? Thanks, Krunal Patel -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20090318/f1e0f6c8/attachment.htm

Hi, I have about half million binary features, and would like to find a model to estimate the continous response. According to the inference, I can express predictors and response by linear model. (ie. Design matrix: large sparse matrix with 0/1. Response: Continous number) Since it is not a classification problem, someone sugg...