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QuakeSim Quarterly Update

This update includes bug fixes in fault DB queries, updates to Realtime RDAHMM, improvements in GeoFEST services, and enhancements in Disloc and Simplex user interfaces.

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QuakeSim Quarterly Update

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  1. QuakeSim Quarterly Update Marlon Pierce, Geoffrey Fox

  2. Fault DB Query Bugs Fixed • Fault DB correctly queried to get • Faults with one segment (ie segment name is null). • Same fault + segment from different references. • GeoFEST, Disloc, and Simplex portlets all updated. • Accompanied by some code reorganization that I needed to do anyway. • But note this is still using an older version of the DB (?). • And of course we want to push a lot of this into the DB web service.

  3. Daily and RealTime RDAHMM • Miscellaneous bug fixes to DailyRDAHMM • This should be ready for users • Need to discuss. • Movie generation service for DailyRDAHMM is in development. • Realtime RDAHMM being updated • Previous version was just running RDAHMM on 10 minutes of data with no training. Just to show it could be done. • Now using trained rdahmm workers. • Using 2 days worth of data for training. • Data collected and analyzed in 30 minute segments. • This is proof of concept for the infrastructure. • Need to know the real workflow: how long to train, how often to update, etc. • Training is computationally demanding, so frequent updates to the training sets will require more computing. • We can solve this with the TG using services that already exists (variants of the GeoFEST service). • May also need some filtering (ST_filter) of raw results.

  4. GeoFEST Related Stuff • Serial GeoFEST and mesh generator are still Grid enabled. • Parallel GeoFEST services and portlet will need some modifications, as the input file format has been extended. • New version of the code is available (?) • Running parallel GeoFEST as a service. • We have the BLAHP PBS plugin for Condor-G installed and are testing it on local PBS systems. • Will allow the existing GeoFEST service to work without Globus, since BLAHP talks directly to PBS. • I have an account at Ames and an RSA card. • Need some advice on how the service will fit into Ames’s security model. • We also played with running parallel GeoFEST on a “cloud” system of virtual machines. • Worked but performance was weird. • GeoFEST is probably not a good candidate for a virtual appliance, but other codes (RDAHMM, Disloc, Simplex, …) are.

  5. Disloc and Simplex • These had updated user interfaces from the last Quarterly meeting that still need to be reviewed. • Disloc: allows you to do the “scatter point” as well as the rectangular grid version. • Simplex: Can import GPS velocities from the Scripps GRWS.

  6. Some Next Steps • [Assumes nothing went horribly wrong in the previous slides] • GeoFEST services on Columbia, Cosmos • What is happening to Cosmos? • I’d still like to get parallel GeoFEST on some TeraGrid machines • Complete realtime rdahmm in some meaningful fashion. • Make a plan for Daily RDAHMM usage. • Move portal off gf7. • Too old and slow. • IU has web server hosting now thanks to OpenVZ. • Virtual California?

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