Hi Van,
     I understand what you're saying, but can you actually have both webservers 
running simultaneously on one IP address???  Oh, and we don't expect the 2nd 
instance to have much traffic at all.
Thanks,
Sue

________________________________
From: Van Ly [mailto:[email protected]]
Sent: Wednesday, July 08, 2009 1:50 AM
To: Thornton, Susan M. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY]; DSpace 
Tech
Subject: RE: [Dspace-tech] Multiple Dspace instances on same DB


Hi Sue,

I can confirm it is possible to operate two instances of DSpace with a single 
set of database engine (postgres) plus app server (tomcat) on a host with one 
ip-address.

Whether or not you need another ip-address could depend on the expected network 
traffic to those 800,000 documents.

I'm looking at upgrading DSpace 1.4.2 to 1.5.2 and have a test configuration as 
follows:

# dspace.dir is
/common/dspace-data
/common/dspace152-data

# webapps has
/var/lib/tomcat5/webapps/dspace142
/var/lib/tomcat5/webapps/dspace142-oai
/var/lib/tomcat5/webapps/dspace152
/var/lib/tomcat5/webapps/dspace152-oai

# URL access is
http://localhost:8080/dspace142
http://localhost:8080/dspace152

Hope that helps.

-- Van Ly

-----Original Message-----
From: Thornton, Susan M. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY] 
[mailto:[email protected]]
Sent: Wed 2009-07-08 06:15
To: DSpace Tech
Subject: [Dspace-tech] Multiple Dspace instances on same DB

Hi,
     We need to create a separate instance of DSpace for several reasons, 
including the fact that this collection is so large (approximately 800,000 
documents), and the fact that there is no metadata associated with these 
documents.  I found the following article in the archives today and it sounds 
like a great way for us to accomplish this, however I just have one question:  
I'm pretty sure we will need another ip address for this new instance, correct? 
 We are using Sun Webserver7 with virtual servers.

http://www.mail-archive.com/[email protected]/msg02387.html

Thanks in advance,
Sue Walker-Thornton

Sue Walker-Thornton
ConITS Contract
NASA Langley Research Center
Integrated Library Systems Application & Database Administrator
130 Research Drive
Hampton, VA  23666
Office: (757) 224-4074
Fax:    (757) 224-4001
Pager: (757) 988-2547
Email:  [email protected]<mailto:[email protected]>

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  • [Dspac... Thornton, Susan M. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY]
    • R... Van Ly
      • ... Thornton, Susan M. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY]
      • ... Thornton, Susan M. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY]

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