pg_buffercache is a PostgreSQL contrib module allowing to get an instant relation-based view of the shared buffer usage by querying the wanted server.
Read more...2012-11-27 07:46:09 +0000
pg_buffercache is a PostgreSQL contrib module allowing to get an instant relation-based view of the shared buffer usage by querying the wanted server.
Read more...2012-11-01 08:19:10 +0000
One of the new features introduced by PostgreSQL 9.2 is called range types, which is, as you could easily guess based on this feature name, the possibility to use a range of values directly as a table column.
Read more...2012-10-22 03:03:32 +0000
hstore is a PostgreSQL contrib module in core code for a pretty long time. Its code is located in contrib/hstore in source folder. It is particularly useful to store sets of key/value in a single table column.
Read more...2012-10-15 02:45:28 +0000
PostgreSQL 9.2 has introduced a new feature related to JSON with a built-in data type. So you can now store inside your database directly JSON fields without the need of an external format checker as it is now directly inside Postgres core. The feature has been added by this commit.
Read more...2012-10-03 02:30:33 +0000
Last week, I had an interesting discussion in the Postgres hackers mailing list about integrating pg_reorg features (possibility to reorganize a table without locks on it) directly into postgres core. Community strongly suggested that pg_reorg cannot be integrated as-is in the contribution modules of postgres core, and instead postgres should provide native ways to reorganize a table without taking heavy locks. This means that a table could be reindexed or clustered, and at the same time read and writes operations could still happen in parallel. What is particularly useful when an index is broken in a production database, as you could keep your table free of access for the other sessions running while the table is reorganized.
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