Congrats! Thanks for always making the PyPI infrastructure better and better.
Where are the states stored? On Sat, Jan 25, 2014 at 5:18 PM, Donald Stufft <don...@stufft.io> wrote: > > On Jan 25, 2014, at 7:04 PM, Chris Jerdonek <chris.jerdo...@gmail.com> > wrote: > > > On Sat, Jan 25, 2014 at 3:38 PM, Donald Stufft <don...@stufft.io> wrote: > >> Today (Sat Jan 25, 2014) the Infrastructure team has migrated PyPI to > new > >> infrastructure. > >> > >> The old infrastructure was: > >> > >> - a single database server managed by OSUOSL > >> - a pair of load balancers shared by all of the python.org services > hosted on > >> OSUOSL > >> - a single backend VM that served as everything else for PyPI > >> > >> The VM that was acting as the backend server from PyPI was partially > hand > >> configured and partially setup to be managed by chef. Additionally it > had an > >> issue that caused it to kernel panic every so often which had been the > cause of > >> a number of downtimes in the last few months. Because it was primarily > >> configured and administered by hand and because the way it was set up > it was > >> not feasible to have any sort of failover or spare. > >> > >> The new infrastructure is: > >> > >> - 2 Web VMs > >> - 2 Database servers in Master/Slave Configuration > >> - 2 PgPool Servers pooling connections to the database servers and load > >> balancing reads across them. > >> - 2 GlusterFS servers backed by Cloud Block Storage acting as the file > storage > >> for package and package docs > >> - 1 metrics server to handle updating the download counts as they come > in from > >> Fastly > >> > >> All of the VMs are hosted on Rackspace’s Public Cloud and have their > >> configuration completely controlled and managed using Salt. Going > forward this > > > > Can you say a little about the choice to use Salt instead of Chef? I > > don't really care either way, but am just curious. Is it because Salt > > is written in Python, or were there other reasons (functionality, > > etc)? > > > > --Chris > > I’d need to ask Ernest to be sure, but I believe it was mostly that he was > more familiar > with it. The fact that it was written in Python was a bonus as well ;) I > don’t think that > there was anything that Chef was missing or that Salt had over Chef, just > familiarity > of the person who did most of the work. I’ll double check with Ernest to > make sure there > wasn’t another reason :) > > ----------------- > Donald Stufft > PGP: 0x6E3CBCE93372DCFA // 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 > DCFA > > > _______________________________________________ > Distutils-SIG maillist - Distutils-SIG@python.org > https://mail.python.org/mailman/listinfo/distutils-sig > >
_______________________________________________ Distutils-SIG maillist - Distutils-SIG@python.org https://mail.python.org/mailman/listinfo/distutils-sig