We should absolutely schedule a meeting. Can you give us a time? Waldon
On Nov 2, 2011, at 4:22 PM, Vishvananda Ishaya wrote: > Hey Guys, > > It would probably be good to schedule an irc meeting to get the ball rolling > on some db changes. Based on some discussions that I've had recently, I see > the following potential acition items. Not all of these have been turned > into blueprints yet: > > 1) Switch to using scoped sessions in sqlalchemy (the naive version of this > apparently breaks migrations) > 2) Try using the pure pyhon mysql driver so eventlet can monkeypatch the > calls (this probably requires 1) > 3) Sanitize all objects to dictionaries coming out of the db layer (the naive > version of this is just wrapping all of the return values in dict()) > 4) Remove unused / stale db calls > 5) Break db.api into multiple files > 6) Test the db layer directly (This will give us a good record of expected > objects returned from the db layer) > --- > 7) Use the law of demeter for db objects instead of indirectly accessing > subobjects (This implies a heavy performance penalty, so we will probably > need smart caching where we joinedload objects when possible and return the > cached object instead of reloading) > 8) Implement a second db driver (zookeeper) > 9) Split the dbs for different components into separate databases (this is a > heavy change and will require code changes throughout the code) > > 7-9 are definitely longer term goals, and they probably won't make it into > the essex timeframe. I think 1 through 6 are all doable in this release, and > we may be able to make some progress on the others as well. > > Vish > > > -- > Mailing list: https://launchpad.net/~nova-database > Post to : [email protected] > Unsubscribe : https://launchpad.net/~nova-database > More help : https://help.launchpad.net/ListHelp -------------------------------------- Brian Waldon Cloud Software Developer Rackspace Hosting -- Mailing list: https://launchpad.net/~nova-database Post to : [email protected] Unsubscribe : https://launchpad.net/~nova-database More help : https://help.launchpad.net/ListHelp
