gentoo: portage sqlite cache

Pass from the storage port directory cache as a file to the database sqlite:

#emerge -q pysqlite
#edit /etc/portage/modules
portdbapi.auxdbmodule = cache.sqlite.database
#vim make.conf
FEATURES="${FEATURES} metadata-transfer"
#rm -rf /var/cache/edb/dep
#emerge --metadata
if you see problem with pysqlite2, run:
#/usr/sbin/python-updater
#edit /etc/eixrc
PORTDIR_CACHE_METHOD='sqlite'
OVERLAY_CACHE_METHOD='sqlite'
#eix-update