PostgreSQL Scalability: Towards Millions TPS - Alexander Korotkov's blog
PostgreSQL scalability on multicore and multisocket machines became a subject of optimization long time ago once such machines became widely used. This blog post shows brief history of vertical scalability improvements between versions 8.0 and 8.4. PostgreSQL 9.2 had very noticeable scalability improvement. Thanks to fast path locking and other optimizations it becomes possible to achieve more tha
http://jinchengli.me/post/postgres-query-opt/
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Dirty PostgreSQL Database? Clean It up With a VACUUM!
Dirty PostgreSQL Database? Clean It up With a VACUUM! Just like your house gets dirty and requires cleaning from time to time, your PostgreSQL database may accumulate “dust” too. Unwanted pieces of data make the DB grow bigger and bigger. However, there is a mechanism to get rid of junk data and the DB can do it automatically for you. How Does a Database Get “Dirty”? Let’s talk a little bit about
PostgreSQL's Powerful New Join Type: LATERAL
PostgreSQL 9.3 has a new join type! Lateral joins arrived without a lot of fanfare, but they enable some powerful new queries that were previously only tractable with procedural code. In this post, I’ll walk through a conversion funnel analysis that wouldn’t be possible in PostgreSQL 9.2. Interested in learning more about Heap Engineering? Meet our team to get a feel for what it’s like to work at
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Sum PostgreSQL arrays in place [1,2,3] + [2,3,4] = [3,5,7]
Pairwise array sum aggregate function?
SQL Trick: row_number() is to SELECT what dense_rank() is to SELECT DISTINCT
