Thanks Jacques. It sounds like it is good practice to have separate "unique.instanceId" for each VM, but having separate pools are optional. If I kill a VM, and there were outstanding jobs, will another instance take over?
On Wed, Mar 21, 2012 at 6:28 AM, Jacques Le Roux < [email protected]> wrote: > From: "Mike" <[email protected]> > > Playing around with running multiple instances of OFBiz in it's own VM, in >> a cloud environment, to the same DB. >> >> I ran across this on the OpenTaps docs: >> >> Service engine job pool: >> Modify the file framework/service/config/**serviceengine.xml for each of >> your >> instances and edit the thread-pool's send-to-pool and run-from-pool to be >> different for each instance. For example: >> >> <thread-pool send-to-pool="opentaps1"> . . . <run-from-pool >> name="opentaps1"/></thread-**pool> >> >> What is the purpose of this? >> > > You don't need this as long as you don't need to isolate some jobs and > want them running only on one of the machines (for performance or other > reasons) > > > Is this so that jobs originated on each >> instance are tracked separately on the DB? >> > > Yes, you can say that > > > Is there anything else that >> needs to be tweaked config-wise so the multiple instances don't collide? >> > > You should not get multiple instances colliding. If you want only one > instance of a job to run at a time I'd recommned to set > semaphore="fail" on the related service > > You may also consider unique.instanceId in general.properties, look at > this thread > http://markmail.org/message/**xhc6nfbzsd5ezscg<http://markmail.org/message/xhc6nfbzsd5ezscg> > > And if you want to get confused a bit you might look at > https://issues.apache.org/**jira/browse/OFBIZ-4602?** > focusedCommentId=13199868&**page=com.atlassian.jira.** > plugin.system.issuetabpanels:**comment-tabpanel#comment-**13199868<https://issues.apache.org/jira/browse/OFBIZ-4602?focusedCommentId=13199868&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13199868> > > Jacques > > >
