Oleg Bartunov: Toward to million tps
Our company Postgres Professional has conducted a performance testing on big P8 server, provided by IBM. One excited thing is that we were able to identify scalability issue and made a patch (kludge...
View ArticleHeikki Linnakangas: Helsinki PostgreSQL meetup on Tuesday September 1st
Helsinki PostgreSQL User Group will convene tomorrow, on Tuesday September 1st 2015 at 15:00.I will be babbling about the various index types in PostgreSQL. GIN, GiST, and the humble B-tree. What does...
View ArticleDavid E. Wheeler: PGXN Manager Upgraded
I took a little time this summer to finally address some nagging issues in PGXN Manager, the site to which extensions are uploaded and added to the master repository. Most of the changes were internal,...
View ArticleJosh Berkus: Lock-polling script for ALTER TABLE
One of PostgreSQL's advantages over many other SQL databases is letting users modify database objects with a minimum of locking and fuss, and do it in a transaction so it can be rolled back. However,...
View ArticleHans-Juergen Schoenig: Testing GPU-accelerated PostgreSQL
NVIDIA’s CUDA is definitely I great thing and I got to admit that I got excited years ago when I first learned about it. For many operations a nicely optimized GPU implementation definitely seems the...
View ArticleMarco Slot: Webinar on Columnar Store for PostgreSQL using cstore_fdw on...
Please join me on September 9th at 10 am Pacific Time for my webinar entitled "Columnar Store for PostgreSQL using cstore_fdw". This webinar will give you a comprehensive overview of cstore_fdw, an...
View ArticleShaun M. Thomas: PG Phriday: Postgres as Middleware
One of the cool things I like most about Postgres, is that it’s probably the most inclusive database software I’ve ever encountered. It’s so full of features and functionality these days, it’s...
View ArticleMichael Paquier: Postgres extension to retrieve file system information
The set of file access functions already present in PostgreSQL offer no direct possibility to retrieve file system information, giving for example no coverage of how a file system is behaving while...
View ArticleChristoph Berg: 10 Years Debian Developer
I knew it was about this time of the year 10 years ago when my Debian account was created, but I couldn't remember the exact date until I looked it up earlier this evening: today :). Rene Engelhard had...
View ArticleAlexander Korotkov: Thoughts About Jsonb Statistics
IntroductionUsers of jsonb datatype frequently complaint that it lucks of statistics. Naturally, today jsonb statistics is just default scalar statistics, which is suitable for <, <=, =, >=,...
View ArticleHubert 'depesz' Lubaczewski: Hypothetical indexes
There exists an extension to PostgreSQL, which lets you use hypothetical indexes. What are there? That's simple – these are indexes that don't really exist. So what good are they? Let's see. First, I...
View ArticleTerry Erisman: PGConf Silicon Valley Speaker Baron Schwartz of VividCortex...
Baron Schwartz, CEO of VividCortex, spoke to us recently about PGConf Silicon Valley:Terry: Baron, thanks for speaking with us today. For the benefit of our readers, would you mind telling us a bit...
View ArticleTomas Vondra: Common issues with planner statistics
Some time ago I explained that there really are two kinds of statistics in PostgreSQL, and I explained what are the common issues with statistics tracking database activity, and how (not to) fix...
View ArticleHans-Juergen Schoenig: pgstrom: Checking GPU performance
Finally I got around to take a more extensive look at pgstrom (a module to make use of GPUs). The entire GPU thing fascinates me and I was excited to see the first real performance data. Here is some...
View ArticleFederico Campoli: The next meetup - PostgreSQL query planning
Like previously said, the next Brighton PostgreSQL meetup will be September 25th at 7 pm BST. The topic chosen by the member is the query planning and execution in PostgreSQL.I will do the presentation...
View ArticleTomas Vondra: PostgreSQL performance on EXT4 and XFS
In case you haven't noticed, the schedule for pgconf.eu 2015 was published a few days ago. One of my talks is called PostgreSQL Performance on EXT4, XFS, F2FS, BTRFS and ZFS and aims to compare...
View ArticleChristophe Pettus: Django 1.8 and PostgreSQL at Djangocon 2015
My slides for Django 1.8 and PostgreSQL are available.
View ArticleChristophe Pettus: Beyond the B-Tree: GIST and GIN Indexes
I was honored to be invited to give a presentation at the Austin PostgreSQL Users’ Group Meetup, and the slides for my presentation Beyond the B-Tree are now available.
View ArticleOzgun Erdogan: PostgreSQL, pg_shard, and what we learned from our failures
pg_shard is a PostgreSQL extension that scales out real-time read and writes. This document talks about an earlier version of pg_shard that used Postgres' foreign data wrappers (FDWs) for sharding and...
View ArticleShaun M. Thomas: PG Phriday: Dealing With Table Bloating
Most Postgres operators and informed users are aware that it uses MVCC for storage. One of the main drawbacks of this versioning mechanism is related to tuple reuse. In order to reuse the space, VACUUM...
View Article