[R] R as a server on Linux
Hi, I am trying to avid the somewhat costly startup overhead of launching a separate R executable for each client request on Linux. My current architecture is such that My Java client explicitly calls R in batch mode and passes it certain parameters. The initital startup takes almost 10 seconds because R has to load a bunch of libraries as well as a moderately large, previously created workspace. I am thinking that it would be so much more eficient to instead have R act as a server and fork off a thread for each client query. Is that possible at all ? Thanks! Markus __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] R as a server on Linux
On Tue, Apr 24, 2007 at 02:15:43PM -0400, Markus Loecher wrote: Hi, I am trying to avid the somewhat costly startup overhead of launching a separate R executable for each client request on Linux. My current architecture is such that My Java client explicitly calls R in batch mode and passes it certain parameters. The initital startup takes almost 10 seconds because R has to load a bunch of libraries as well as a moderately large, previously created workspace. I am thinking that it would be so much more eficient to instead have R act as a server and fork off a thread for each client query. Is that possible at all ? Yes. Google for RServe -- headless R server, has Java interface RApache -- R added to Apache Hth, Dirk -- Hell, there are no rules here - we're trying to accomplish something. -- Thomas A. Edison __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] R as a server on Linux
Hi Markus, Take a look at RSOAP (http://rsoap.sf.net). It was designed for handling concurrent client connections to R, and minimizes the per- connection startup time by pre-starting R and forking of processes as requests come in. Each client can maintain a stateful connection, if desired. -G On Apr 24, 2007, at 2:15PM , Markus Loecher wrote: Hi, I am trying to avid the somewhat costly startup overhead of launching a separate R executable for each client request on Linux. My current architecture is such that My Java client explicitly calls R in batch mode and passes it certain parameters. The initital startup takes almost 10 seconds because R has to load a bunch of libraries as well as a moderately large, previously created workspace. I am thinking that it would be so much more eficient to instead have R act as a server and fork off a thread for each client query. Is that possible at all ? Thanks! Markus __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting- guide.html and provide commented, minimal, self-contained, reproducible code. __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] R as a server on Linux
RWebServices http://wiki.fhcrc.org/caBioc/ offers a more structured approach to this -- map R functions and data classes to their Java representation, expose Java as a web service, service requests using persistent R workers. Martin Markus Loecher [EMAIL PROTECTED] writes: Hi, I am trying to avid the somewhat costly startup overhead of launching a separate R executable for each client request on Linux. My current architecture is such that My Java client explicitly calls R in batch mode and passes it certain parameters. The initital startup takes almost 10 seconds because R has to load a bunch of libraries as well as a moderately large, previously created workspace. I am thinking that it would be so much more eficient to instead have R act as a server and fork off a thread for each client query. Is that possible at all ? Thanks! Markus __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Martin Morgan Bioconductor / Computational Biology http://bioconductor.org __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
