Dear Jayan, On Tue, 2007-07-24 at 20:25, James Dickson wrote: > Hi Jayan, > What part of dspace are you having difficulty with? Browse, Search, > Indexing.. For indexing we have implemented a batch indexing process > that is not so memory intensive as the existing one. There are a few > tweaks that can be performed too speed up the browsing. Unfortunately, > throwing more memory will increase the number of concurrent user you can > serve, but will not really have much effect on performance.
> James > > Jayan Chirayath Kurian wrote: > > > > Hi! > > Can anyone suggest how to allocate more memory to Tomcat and > > postgreSQL for a server with 1 GB ram, 300 GB hard disk and 170,000 > > records? Will allocating memory improve the client access speed? Something that _may_ help -- and from memory, rarely mentioned -- is ditching Tomcat and using a decent Web or Application Server. Personally, I've never considered using anything but Sun's Java System Web Server: v 6.1 and now 7.0. The latest incarnation has the option to pre-compile JSPs during deployment. This seems to significantly improve performance. As to solving the memory and CPU requirements of PostgreSQL, well the short answer is to ditch that too, and move to a pure file system based solution ;) Its my hope that DSpace will eventually make this jump, but unfortunately I have not been in a position to wait. On a machine with similar resources to your own, and well before reaching your 170,000 records, I became so frustrated with the sluggishness of the DSpace batch import system that I moved the vast majority of my content -- mostly bibliographical records -- to a Zebra server fronted by a YAZ/PHP interface. For the first time in a long while I am confident that my system will continue to scale well beyond my anticipated needs. I'm still using DSpace to archive a relatively small collection of digital material, and the general performance is perfectly acceptable. But in its present form, I have given up the hope of using DSpace for anything more than 20,000 items or so. That said, I am sure DSpace will be worth revisiting once the planned architectural developments have come to pass. Best regards, Richard -- Richard MAHONEY | internet: http://indica-et-buddhica.org/ Littledene | telephone/telefax (man.): +64 3 312 1699 Bay Road | cellular: +64 27 482 9986 OXFORD, NZ | email: [EMAIL PROTECTED] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Indica et Buddhica: Materials for Indology and Buddhology Scholia: http://scholia.indica-et-buddhica.org/ Subscriptions: http://subscriptions.indica-et-buddhica.org/ ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ DSpace-tech mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/dspace-tech
