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Session Timeouts with Vaadin's Refresher Add-on
June 8, 2012

The Refresher add-on for Vaadin refreshes the UI without user input, allowing it to display information that has changed asynchronously on the server. It adds an invisible component to the client web page which polls the server for changes. A matching server-side handler is called when the server is polled.

Cluster, Cluster, Schema, Schema
June 4, 2012

There are 500k to 1-million words in the English language, so you would think that Postgres would be able to find a unique word for every aspect of...

The Effectiveness of effective_cache_size
May 4, 2012

Friday, May 4, 2012 Having reported the methods for finding the size of the kernel cache on Linux, I wish to highlight the importance of the...

When to Use Multiple Clusters, Databases, or Schemas?
April 23, 2012

.inline-cta { margin: 11px 0; } .inline-cta.cta-tall { margin: 30px 0; } .inline-cta b { font-size: 18px; } I previously explained that Postgres...

Tuning shared_buffers and wal_buffers
March 15, 2012

I spend a lot of time answering questions about PostgreSQL, and one of the questions I get asked frequently is: how should I set shared_buffers? And...

Limiting Postgres Connections
February 24, 2012

Friday, February 24, 2012 During recent training, I realized there five ways to control who can access Postgres, and it isn't totally clear in the...

Sample App Tour
February 23, 2012

In my last blog, I performed a very short DB migration from a local PostgreSQL installation to one running in the cloud. In this blog, I want to share...

Sorting Performance Improvement for Postgres 9.2
February 16, 2012

As part of the work on Postgres 9.2, yesterday Robert Haas applied a much-discussed (December, January, February) patch by Peter Geoghegan to improve...

Virtual Private Database (VPD) in PPAS 9.1
February 10, 2012

Great News is Postgres Plus Advanced 9.1 is now available for users. So, I thought to write something about Virtual Private Database features, which...

Virtualizing Postgres
February 9, 2012

Postgres is an ideal database to run in a virtual environment or public/private cloud — one reason is that Postgres relies heavily on the operating...

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