dhis2-devs team mailing list archive

[Bob Jolliffe <bobjolliffe@xxxxxxxxx>]

Nice subtle recommendation for the midnite commander :-)

BTW I am also in favour of the latter of the two approaches.   But I
am curious has anyone actually measured what the relative cost of
running two tomcats vs one tomcat+2 webapps is?  I kind of feel
instinctively that it doesn't cost much, but if anyone has a measure
I'd be interested to hear.

On 22 February 2012 05:15, Jason Pickering <jason.p.pickering@xxxxxxxxx> wrote:
> Hi Dapo,
>
> I know of two ways to do this, and suspect there may be others.
>
> A) This method will utilize a single Tomcat container, with multiple
> DHIS2 instances.
> 0) Create two copies of the dhis.war file...dhis.war and dhis_XX,war
> for instance. Unzip the war file into these directories.
> 1) Using the tool "mc" navigate to
> /webapps/dhis_XX/WEB-INF/lib/dhis-support-external.2.X.jar where X is
> the version number.
> 2) Open up the JAR file with mc and navigate to
> META-INF/dhis/beans.xml and modify DHIS2_HOME to DHIS2_HOME_XX where
> XX can be anything really.
> 3) You need to setup an environment variable in your system for
> DHIS2_HOME_XX   (i.e. /usr/local/etc/dhis2_XX/)
> 4) Create a hibernate properties file in DHIS2_HOME_XX.
> 5) Start Tomcat. You will now have two separate DHIS instance running
> which are controlled by two separate environment variables
> (DHIS2_HOME) and (DHIS2_HOME_XX)
>
> The disadvantage here is that you have to modify this file each time
> you upgrade DHIS.
>
> B) Two separate Tomcat instances. This is the method I prefer.
> 0) Create two separate tomcat instances...for instance
> /usr/local/tomcat1 and /usr/local/tomcat2
> 1) You will need to modify the server.xml file of one of the instances
> (e.g tomcat2) to startup on a different port that /tomcat1. How you do
> this depends a bit on the types of connectors you may be using
> (HTTP,AJP, etc) but this is well documented elsewhere about how to
> modify the ports Tomcat runs on.
> 2) Create a file in each /bin directory of the tomcat directories
> called setenv.sh (Linux) or setenv.bat (Windows) and define the
> DHIS2_HOME directory to point to two separate locations. Create two
> separate hibernate.properties files.
> 3) You will now have two separate instance running on the ports which
> you have defined in the respective server.xml files.
>
>
> Hope this helps.
>
> Best regards,
> Jason
>
>
>
> On Tue, Feb 21, 2012 at 5:23 PM, Dapo Adejumo <dapo_adejumo@xxxxxxxxx> wrote:
>> Hello,
>> Please does anyone have any ideas on how to deploy multiple instances on a
>> single server in an efficient manner which doesn't drain server resources
>> dramatically.....Thinking of Deploying multiple instances of Tomcat  VS
>> Multiple war files in the same Tomcat.
>>
>> Thank you.
>>
>>
>> ________________________________
>>
>> Regards,
>>
>> Adedapo Adejumo.
>> Mobile : +2348033683677
>> Skype  : dapojorge
>>
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