Wow. Awesome improvement all around. Kudos ++! Ben
Michael DeHaan wrote: > Michael DeHaan wrote: >> One thing I've been thinking about is finally improving the YAML serializer. >> >> It's fine for a reasonable number of systems, but it's not easy to >> hand-edit (if needed) a system if you have 500 of them in the systems >> file. There's also the problem if you are hand editing and mess up >> your file. Backups are great, but wouldn't it be better to break just >> that one object, rather than all objects of the same type? Probably true. >> >> A solution to this is probably a directory layout like: >> >> /var/lib/cobbler/config/systems.d/ >> /var/lib/cobbler/config/repos.d/ >> >> And so on... >> >> The idea is we can tweak the YAML serializer to load the original file >> if it exists, and on those loads, write the new files out. This should >> allow for seamless upgrades to the new version without anyone needing to >> change modules.conf. >> >> I'm only going to do this if performance does not suffer on each invocation. >> >> However as we can lazy-load the objects as needed (unless making a >> "find" call), I'm not sure that will be a problem. >> >> As a design point, we will not be requiring a database, and I think >> things have been working pretty good so far, so, by default, no database :) >> >> --Michael >> >> >> >> >> _______________________________________________ >> cobbler mailing list >> [email protected] >> https://fedorahosted.org/mailman/listinfo/cobbler >> > > It turns out this is exceedingly fast as compared to the old method, > even w/o requiring a database. > > 80 seconds for YAML to edit 200 objects > 0.5 seconds for this new proposal. > > So it looks like I'm going to be teaching cobbler how to migrate from > one to the other. > > We'll still ship serializer_yaml, but the new serializer_catalog will > probably be the new default in /etc/cobbler/modules.conf provided > testing pans out ok. > > serializer_catalog will know how to read the old format and convert to > the new. > > --Michael > _______________________________________________ > cobbler mailing list > [email protected] > https://fedorahosted.org/mailman/listinfo/cobbler _______________________________________________ cobbler mailing list [email protected] https://fedorahosted.org/mailman/listinfo/cobbler
