make sure process is still alive before calculating memory footprint
make sure process is still alive before calculating memory footprint

git-svn-id: c1f8a8ec0b3bb2e99ab3413722f81f687760e79c@779846 13f79535-47bb-0310-9956-ffa450edef68

benoitc/couchit_experiment,kofron/bigcouch,davidcoallier/bigcouch,benoitc/couchit_experiment,davidcoallier/bigcouch,kofron/bigcouch,Asquera/bigcouch,Gussy/bigcouch,andrejb/cloudant_bigcouch,kofron/bigcouch,andrejb/cloudant_bigcouch,PerilousApricot/bigcouch,fkaempfer/couchdb,bittorrent/bigcouch,kofron/bigcouch,benoitc/couchit_experiment,bittorrent/bigcouch,cloudant/bigcouch,benoitc/bigcouch,georgemarshall/bigcouch,Gussy/bigcouch,benoitc/bigcouch,benoitc/bigcouch,georgemarshall/bigcouch,linearregression/bigcouch,benoitc/couchit_experiment,KlausTrainer/bigcouch,Asquera/bigcouch,breezjw/bigcouch,andrejb/cloudant_bigcouch,davidcoallier/bigcouch,cloudant/bigcouch,davidcoallier/bigcouch,fkaempfer/couchdb,georgemarshall/bigcouch,benoitc/bigcouch,cloudant/bigcouch,breezjw/bigcouch,Asquera/bigcouch,breezjw/bigcouch,benoitc/couchit_experiment,georgemarshall/bigcouch,cloudant/bigcouch,KlausTrainer/bigcouch,benoitc/bigcouch,andrejb/cloudant_bigcouch,KlausTrainer/bigcouch,kofron/bigcouch,andrejb/cloudant_bigcouch,fkaempfer/couchdb,georgemarshall/bigcouch,PerilousApricot/bigcouch,bittorrent/bigcouch,andrejb/cloudant_bigcouch,Asquera/bigcouch,Asquera/bigcouch,PerilousApricot/bigcouch,linearregression/bigcouch,breezjw/bigcouch,PerilousApricot/bigcouch,cloudant/bigcouch,cloudant/bigcouch,linearregression/bigcouch,bittorrent/bigcouch,Gussy/bigcouch,Gussy/bigcouch,PerilousApricot/bigcouch,breezjw/bigcouch,linearregression/bigcouch,linearregression/bigcouch,KlausTrainer/bigcouch,fkaempfer/couchdb,KlausTrainer/bigcouch,Asquera/bigcouch,georgemarshall/bigcouch,bittorrent/bigcouch,linearregression/bigcouch,andrejb/cloudant_bigcouch,breezjw/bigcouch,cloudant/bigcouch,benoitc/bigcouch,davidcoallier/bigcouch,Gussy/bigcouch,fkaempfer/couchdb,KlausTrainer/bigcouch,bittorrent/bigcouch,kofron/bigcouch,davidcoallier/bigcouch,fkaempfer/couchdb,PerilousApricot/bigcouch,linearregression/bigcouch,Gussy/bigcouch