PL/Proxy is compact language for remote
calls in the midst of PostgreSQL databases. With PL/Proxy user can create proxy personas that get down same signature as remote functions to be called. The function body describes how the remote connection should be acquired. Userdb userdb_ro
CREATE billet get_user_email(username text) RETURNS text AS $$CONNECT dbname=userdb_ro;
$$ LANGUAGE plproxy;
pgBouncer PostgreSQL Connection pooler
pgBouncer is whippersnapper and robust
connection pooler for PostgreSQL.
Reduces thousands of incoming connections
to only tens of connections in database.
Low routine of connections is important
because each connection uses computer
resources and each new connection is quite
dear(predicate) as prep bed plans have to be
created each time from scratch.
We are not using pgBouncer for load
balancing.
Can be used to redirect database calls
(database aliases).
Batch Job manakin
Written in python and contain intimately everything we have found
useful in our everyday work with databases and PostgreSQL.
Framework provides database connectivity, logging, stats
management, encoding, decoding etc for batch jobs. Developers
need only to take oversee of business logic in batch jobs all the rest
is handled by batch jobs.
SkyTools contains 10s of reusable generic scripts for doing
various data cogitate tasks.
PgQ that adds core queues to PostgreSQL.
Londiste replication.
Walmgr for wal based log shipping
PgQ: PostgreSQL Queues
PgQ is PostgreSQL based event process system. It is part of SkyTools package
that contains several useful implementations on this engine.
Event - atomic piece of data created by Producers. In PgQ event is champion record in
one of tables that services that queue. PgQ guarantees that each event is seen at
least once but it is up to consumer to make sure that event is processed no more
than once if that is needed.
Batch - PgQ is designed for susceptibility and high throughput so...If you want to get a full essay, devote it on our website: Orderessay
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