Doh! Again. The URL to our repository is: https://mospace.umsystem.edu/xmlui/.
--Hardy > -----Original Message----- > From: Hilton Gibson [mailto:hilton.gib...@gmail.com] > Sent: Friday, October 01, 2010 12:19 PM > To: dspace-tech@lists.sourceforge.net > Subject: Re: [Dspace-tech] DSpace Setup > > Hi All > > What are your URL's or website address's ? > > On 01/10/2010 18:59, Pottinger, Hardy J. wrote: > > Doh! I just noticed I forgot to include the total number of unique > titles in our repository: ~7,600. > > And thanks to Keith Gilbertson for the replies. I've dug through > catalina.out for the past few days, and the only errors we're seeing is > typical broken pipe warnings, from users moving on before a thread > finishes. Hmm... maybe it's safe to scale back the nightly tomcat reboot > to a weekly reboot? > > --Hardy > > > -----Original Message----- > From: Pottinger, Hardy J. [mailto:pottinge...@umsystem.edu] > Sent: Thursday, September 30, 2010 5:36 PM > To: dspace-tech@lists.sourceforge.net > Subject: Re: [Dspace-tech] DSpace Setup > > 1. Contact Info: Hardy Pottinger, University of Missouri > (MOspace) > (message sent from my main e-mail address, use that). > > 2.a. DSpace 1.6.2 (XMLUI) with local mods for user interface, > and > Shibboleth special groups handling > 1 assetstore at 1TB, 35GB used (big plans! really!) > Number of items: > > 2.b. Oracle Database 10g Enterprise Edition Release > 10.2.0.4.0, running > on another server (unknown spec) > > db.maxconnections = 50 (anything less than 50 is > unstable) > db.maxwait = 5000 > db.maxidle = 0 (idle connections are nailed by the > firewall on the > Oracle server, sysadmins will not change) > > 2.c. All RHEL-provided, Tomcat 5.5.23, running behind Apache > 2.2.3 via > mod_proxy > > 2.d. DSpace and Tomcat are on one server, Oracle db is on a > shared > server. > > Server: Dell PowerEdge 2950 > Memory size: 8110 MB > CPUs: 4 x Intel Xeon 5160 @ 3.00 GHz > OS: Red Hat Enterprise Linux Server release 5.5 (kernel > 2.6.18- > 194.3.1.el5PAE) > > 2.e. JAVA_OPTS="-Xmx512M -Xms256M" (this will likely change > soon, need > to bump up PermGen) > > 3. Back when we were running on DSpace 1.5.1, after a period > of about > 24-36 hours of uptime, Tomcat became unavailable. Apache > reported 503: > service unavailable. Looking at a dump after killing all Java > processes, > it appeared that all database connections were unavailable. > Changing the > db.maxconnections and db.maxidle settings (see above) was > helpful, but > we are proactively rebooting tomcat and apache every night, > to "clean > out the cobwebs". Have not disabled the nightly reboot since > the upgrade > to 1.6.2, so do not have current data/log files. I'm willing > to try > other config settings. I'm pretty sure I saw an interesting > looking > patch that drops database connections (mainly for streaming > situations) > that I can't seem to find right now, but might help this > particular > stability issue. > > 4. Volunteer to help? Of course! I am a fledgling Java > developer, > reasonably competent application manager, and working with > XSLT only > makes me want to cry a little bit, nowadays. :-) We have a > development > server with a snapshot of our live repository, and are > willing to do > load testing, run a profiler, whatever it takes to help. > We're certainly > not experts in any the various tech running under the hood of > DSpace, > but keeping our repository running smoothly is our main job, > and we aim > to please. You may use my address as the main contact, but we > have two > more developers here who are willing to pitch in. > > --Hardy > > > -----Original Message----- > From: George Stanley Kozak [mailto:g...@cornell.edu] > Sent: Wednesday, September 29, 2010 11:28 AM > To: dspace-tech@lists.sourceforge.net > Subject: [Dspace-tech] DSpace Setup > > Hi... > Based on Tim Donohue's suggestion to share configuration > and setup > information, here is Cornell University's Dspace > configuration: > > 1. Server: Sun sun4v T5140 > Memory size: 65312 Megabytes (4 CPUs) > > 2. Running DSpace 1.6.2 (JSPUI) with local mods for > User Interface, > Embargo, and Refworks. > db.maxconnections = 50 > db.maxwait = 5000 > db.maxidle = 5 > 2 assetstores at 300GB each (using currently 323 > GB) > Number of items: 14,960 > Number of Communities/Collections: 789 > > 3. Java 1.5.0_24 > > 4. Apache 2.29 running mod_jk to tomcat > > 5. Tomcat 5.5.26 > JAVA_OPTS="-server -Xms1024m -Xmx2048m -Xmn64m > -Dfile.encoding=UTF-8 > -XX:+UseParallelGC -verbose:gc > -Xloggc:/dspace/dspace/log/gc.log > -XX:+HeapDumpOnOutOfMemoryError > -XX:PermSize=1024m > -XX:MaxPermSize=1024m > -XX:-UseGCOverheadLimit" > > 6. PostGreSQL 8.3 > max_connections = 300 > shared_buffers = 32MB > max_fsm_pages = 204800 > > Though we experienced some performance problems in the > past, that > > seemed > > to disappear after we went to DSpace 1.5.2. > > George Kozak > Digital Library Specialist > Cornell University Library Information Technologies > (CUL-IT) > 501 Olin Library > Cornell University > Ithaca, NY 14853 > 607-255-8924 > > -------------------------------------------------------- > -------------- > > -- > > ------ > Start uncovering the many advantages of virtual > appliances > and start using them to simplify application deployment > and > accelerate your shift to cloud computing. > http://p.sf.net/sfu/novell-sfdev2dev > _______________________________________________ > DSpace-tech mailing list > DSpace-tech@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/dspace-tech > > > ------------------------------------------------------------- > ----------- > ------ > Start uncovering the many advantages of virtual appliances > and start using them to simplify application deployment and > accelerate your shift to cloud computing. > http://p.sf.net/sfu/novell-sfdev2dev > _______________________________________________ > DSpace-tech mailing list > DSpace-tech@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/dspace-tech > > > ------------------------------------------------------------------- > ----------- > Start uncovering the many advantages of virtual appliances > and start using them to simplify application deployment and > accelerate your shift to cloud computing. > http://p.sf.net/sfu/novell-sfdev2dev > _______________________________________________ > DSpace-tech mailing list > DSpace-tech@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/dspace-tech > > > -- > Hilton Gibson > Systems Administrator > JS Gericke Library > Room 1053 > Stellenbosch University > Private Bag X5036 > Stellenbosch > 7599 > South Africa > > Tel: +27 21 808 4100 | Cell: +27 84 646 4758 > > "Simplicity is the ultimate sophistication" > Leonardo da Vinci ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ DSpace-tech mailing list DSpace-tech@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dspace-tech
