E quanto à escolha entre "foto no BD x foto no FS": > The photos themselves go straight to Amazon S3, which currently stores > several terabytes of photo data for us. We use Amazon CloudFront as our > CDN, which helps with image load times from users around the world (like in > Japan, our second most-popular country).
Em 14 de abril de 2012 14:29, Fábio Telles Rodriguez <fabio.tel...@gmail.com > escreveu: > Olhem que interessante... > > > destaques: > > - Fabric <http://fabric.readthedocs.org/en/1.3.3/index.html> is used > to execute commands in parallel on all machines. A deploy takes only > seconds. > - PostgreSQL (users, photo metadata, tags, etc) runs on 12 Quadruple > Extra-Large memory instances. > - Twelve PostgreSQL replicas run in a different availability zone. > - PostgreSQL instances run in a master-replica setup using Streaming > Replication <https://github.com/greg2ndQuadrant/repmgr>. EBS is used > for snapshotting, to take frequent backups. > - XFS as the file system. Used to get consistent snapshots by freezing > and unfreezing the RAID arrays when snapshotting. > - Pgbouncer <http://pgfoundry.org/projects/pgbouncer/> is used pool > connections <http://thebuild.com/blog/> to PostgreSQL. > > > > > http://highscalability.com/blog/2012/4/9/the-instagram-architecture-facebook-bought-for-a-cool-billio.html > > > -- > Atenciosamente, > Fábio Telles Rodriguez > blog: http://www.midstorm.org/~telles/ > e-mail / gtalk / MSN: fabio.tel...@gmail.com > Skype: fabio_telles > > > _______________________________________________ > pgbr-geral mailing list > pgbr-geral@listas.postgresql.org.br > https://listas.postgresql.org.br/cgi-bin/mailman/listinfo/pgbr-geral > > -- Atenciosamente, Alexsander da Rosa http://rednaxel.com
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