Thanks Saminda. My point was maybe grabbing that text below and then sending to [email protected] and/or [email protected] and letting them know they may be able to help you guys.
Cheers, Chris -----Original Message----- From: Saminda Wijeratne <[email protected]> Reply-To: "[email protected]" <[email protected]> Date: Wednesday, December 4, 2013 11:09 AM To: "[email protected]" <[email protected]> Subject: Re: Jackrabbit vs OpenJPA >Adding to what Raman said, we noticed a exponential-like drop in >performance when extracting the data from a JackRabbit repository when >adding more and more data. JackRabbit was chosen earlier because we >wanted to persist the descriptors for the gateway. > No of descriptors in the repository did not grow over time (other than >occasional new descriptor when needed). Then we wanted to persist the >workflow template (which can be a large document) and the experiment >results. Issue was that experiment results grow > over time and we noticed the exponential increase in data retrieval time >to a point noticeable to a user (eg: XBaya would just freeze). > > >Thus we started experimenting with using direct use of RDBMs instead and >found it did not become slow drastically and had more control over >picking and choosing the exact data to retrieve. > > > > > > > >On Wed, Dec 4, 2013 at 8:00 AM, Chris Mattmann ><[email protected]> wrote: > >Hey Guys, > >May be worth passing some of that along to the JackRabbit community? > >Cheers, >Chris > > > >-----Original Message----- >From: Raminder Singh <[email protected]> >Reply-To: "[email protected]" <[email protected]> >Date: Wednesday, December 4, 2013 7:50 AM >To: "[email protected]" <[email protected]> >Subject: Re: Jackrabbit vs OpenJPA > >> >> >> >>Hi Sachith, >> >> >>Airavata requirement was to persist job descriptors, state, metadata etc. >> We saw lot of over head using Jackrabbit, may be lot of >>serialization/de-serialization going on. Jackrabbit is good for content >>repository/management but when we were try to access >> the content from remote machines using RMI protocol, it was really >>getting slow. Lahiru may have more details about this. >> >> >>Thanks >>Raminder >> >>On Dec 4, 2013, at 3:11 AM, Sachith Withana <[email protected]> wrote: >> >> >>Hi all, >> >> >>Can someone please explain to me why you made the switch from Jackrabbit >>to OpenJPA? >>I'm curious of why you did that. >> >> >>-- >>Thanks,Sachith Dhanushka Withana >> >> >> >> >> >> >> >> >> >> > > > > > > > > >
