A short blog to enable write-able mongo_fdw extension in PostgreSQL 9.4. PostgreSQL provides a powerful feature called Foreign Data Wrappers (FDW), which allows DBAs to connect to other data sources from within PostgreSQL. Foreign Data Wrapper implementation is based on SQL/MED, that’s supported from PostgreSQL 9.1 version onwards, which means we can now access remote…
This blog is about compiling pg_repack extension on binary format of PostgreSQL installation. Most of you know, pg_repack extension is one of well known PostgreSQL extensions, its especially used for reclaiming space[bloats] ONLINE without holding an EXCLUSIVE LOCK on Tables/Indexes. To enable pg_repack extension in PostgreSQL database, it should be compiled from sources. Its quite…
In PostgreSQL high availability(Streaming Replication/Hot Standby), one of the thing require human interference and has no automation, that is in the event of master database crash; initiating failover procedure(trigger file creation or pg_ctl promote command) on the standby. Because in core of PostgreSQL there’s no such built-in functionality to identify a failure of master and…
This post educates sophisticated DBA’s on how to setup graceful Switchover and Switchback environment in PostgreSQL high availability. Firstly, thanks to patch authors Heikki and Fujii for making Switchover/Switchback easier in PostgreSQL 9.3.(Pardom me if I missed other names). Let me attempt to illustrate it in short prior to these patches, all of you know…
Every new release of PostgreSQL comes with a packed of exciting features. To benefit new features, database server should be upgraded. Choosing traditional upgrade paths like pg_dump/pg_restore or pg_upgrade requires a significant downtime of application. Today, if you are looking for minimum downtime upgrade path among major PostgreSQL versions with perfect rollback plan, then it…
