2012-09-21 02:39:01 +0000
pg_reorg is a postgresql module developed and maintained by NTT that allows to redistribute a table without taking locks on it. The code is hosted by pg_foundry here. However, pgfoundry uses CVS :(, so I am also maintaining a fork in github in sync with pgfoundry here.
Read more...2012-08-30 05:47:10 +0000
pgbadger is a recent Postgres module presented during the lightning talks of PGCon 2012 by its original author Gilles Darold. It is thought as an alternative to PgFouine, able to replace it thanks to its flexibility, extensibility and performance.
Read more...2012-08-29 03:18:45 +0000
This post has as goal to provide basics to help you understanding how work triggers in PostgreSQL. A trigger is the possibility to associate an automatic operation to a table in case a write event happens on this given table.
Read more...2012-08-01 00:33:22 +0000
For the last couple of days I have been working on merging the code of Postgres-XC from 9.1 to 9.2. The release 1.0 of XC has been based on 9.1, but it is time to move forward and steal the latest PostgreSQL amazing features :). The plan was to plug in the code of XC up to the intersection of PostgreSQL master branch and 9.2 stable branch, pretty interesting for two things:
2012-07-04 05:56:51 +0000
Postgres-XC, as a sharding cluster (write-scalable, multi-master based on PostgreSQL) has currently a huge limitation related to the way tables are distributed. Just to recall, tables can be either replicated, distributed by round robin, hash or modulo. For hash and modulo the distribution can be done based on the values of one column. Distribution type is defined thanks to an extension of CREATE TABLE.
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