https://wiki.postgresql.org/wiki/Main_Page
https://wiki.postgresql.org/wiki/Converting_from_other_Databases_to_PostgreSQL
http://www.depesz.com/
https://commitfest.postgresql.org/
pgplugin
https://github.com/michaelpq/pg_plugins/
Or2pg
https://github.com/darold/ora2pg/releases
paxos
https://github.com/citusdata/pg_paxos
https://github.com/narkoz/hacker-scripts
strace,ltrace
http://pubs.vmware.com/continuent/tungsten-replicator-4.0/index.html
https://github.com/vmware/tungsten-replicator
https://github.com/ty4z2008/Qix/blob/master/pg.md?from=singlemessage&isappinstalled=0
https://github.com/orafce/orafce
http://momjian.us/main/writings/pgsql/hw_performance/
http://momjian.us/main/presentations/overview.html#hw_selection
http://db-engines.com/en/ranking