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Pavel Golub: The tale of how PostgresDAC became the cross-platform component...
As some probably know Delphi XE2 now have compilers for Win32, Win64, Mac and iOS. And as you probably guessed, we were inundated with questions from our customers about support for this zoo in our...
View ArticleKeith Fiske: PostgreSQL Oracle FDW vs DBI_Link
As promised in my previous post on the PostgreSQL Oracle FDW, I've done some performance testing verses our old method of using DBI-Link to replicate tables from an Oracle 8i instance to PG 9.1.2. I've...
View ArticleMichael Paquier: SERIAL types implemented in Postgres-XC
Just today this commit has happened in Postgres-XC GIT repository. commit d09a42f2aac08a909ad9c23b534f11c6e7f16cee Author: Michael P Date: Tue Feb 21 09:02:04 2012 +0900 Support for SERIAL types...
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Bruce Momjian: Staying Close to Home
Today I realized that I have nine events completed or scheduled for 2012, and they are all in the eastern part of North America (except for Austin, Texas). This is exciting because I am on track to...
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Sivakumar Krishnamurthy: Production Issue: PostgreSQL 90% CPU Usage
This blog post is about the production issue which we had last week and it started with the following Alerts. We use tail_n_mail to monitor all our PostgreSQL server log files and on that particular...
View ArticleRobert Treat: I built a node site
Two weekends ago I was in need of website. The local Postgres Users Group is putting on a 1 day mini-conference (featuring some of the best speakers you can get I might add, you should probably go) and...
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Phil Sorber: You keep using that query. I do not think it does what you think...
A client recently came to us with a performance issue. They had multiple threads pulling rows from a table using FOR UPDATE to lock the row then doing some external work that accounts for a large...
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Paul Ramsey: PostGIS vs Oracle Spatial
"That's a nice database you have there, but how does it compare to Oracle?"A fair question. On the one hand we have an open source database, with a core development community of a few dozens and a...
View ArticleBaron Schwartz: Black-Box Performance Analysis with TCP Traffic
This is a cross-post from the MySQL Performance Blog. I thought it would be interesting to users of PostgreSQL, Redis, Memcached, and $system-of-interest as well. For about the past year I’ve been...
View ArticleBruce Momjian: Limiting Postgres Connections
During recent training, I realized there five ways to control who can access Postgres, and it isn't totally clear in the documentation how they fit together. There are basically a series of gates that...
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Guillaume LELARGE: An import tool for pgAdmin
With pgAdmin 1.14 and prior releases, there were only two ways to insert data in a table: use the restore tool (which uses pg_restore) ; use the query tool to execute INSERT queries (COPY queries are...
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gabrielle roth: Postgres logging… on Windows.
Yep, you read that right. My regular readers (hi, dad!) are probably wondering “Who are you, and what have you done with gabrielle?” so let me explain. We’re currently demoing netbrain where I work;...
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Chris Travers: Application vs Database Programming
A few years ago, I had a problem. A database routine for processing bulk payments for LedgerSMB that was humming along in my test cases was failing when tested under load with real data prior to...
View ArticleJeff Davis: Taking a step back from ORMs
Do object-relational mappers (ORMs) really improve application development? When I started developing web applications, I used perl. Not even all of perl, mostly just a bunch of “if” statements and an...
View ArticleSelena Deckelmann: Security and maintenance release for PostgreSQL: versions...
TweetToday, PostgreSQL Global Development Group released new versions of all active branches. This includes three security bugfixes, two of which are pretty obscure and one that fixes a possible...
View ArticleDan Langille: PGCon 2012 schedule released
The list of talks and speakers for PGCon 2012 has been released. For 2012, we once again have a strong collection of talks that will appeal to a wide range of attendees.
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Bruce Momjian: CTE Presentation at ConFoo; Slides Now Online
Seven months ago, I wrote the presentation Programming the SQL Way with Common Table Expressions. Today, I was finally able to present it at the Montreal ConFoo conference, so I have placed the slides...
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Robert Haas: Performance and Scalability on IBM POWER7
I recently had a chance to run some benchmarks of PostgreSQL 9.2devel on an IBM POWER7 machine provided by IBM and hosted by Oregon State University's Open Source Lab. I'd like to run more tests, but...
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Denish Patel: monitor bucardo replication lag using circonus
I have been using circonus for monitoring, trending and alerting for any database metrics for quite a long time now. The circonus interface makes the monitoring, trending and alerting setup...
View ArticleBruce Momjian: Report from Montreal's ConFoo Conference
I am busting with news from Montreal's ConFoo conference, which has about 600 attendees. This is the first time I am attending, and I am told the first time there are Postgres-specific talks. I gave...
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