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Tallship

Thoughts on technology, systems architecture, resilience and other nerdy things.

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Michal Táborský in Tallship

Mar 19, 2011

DRCP Monitoring with Reconnoiter

This is a second part of my previous article Collecting Oracle metrics with Reconnoiter.

If you are using Database Resident Connection Pooling (DRCP) for connecting your application to Oracle Database (and if you are serious about scalability you should), then you…

Michal Táborský in Tallship

Mar 9, 2011

Collecting Oracle metrics with Reconnoiter

Oracle database makes your life, as an operator, easier by measuring and providing tons of metrics. These metrics range from wait time counters, thru I/O operations and sizes to number of failed logins. Each new version adds even more useful metrics. For…

Michal Táborský in Tallship

Mar 2, 2010

Hidden errors in PHP affect performance

I’ve come across an interesting thing recently, that I didn’t think mattered, but, as I’m about to demonstrate, it does.

So we all know about different levels of error reporting in PHP, right? We all know, that we must pay close attention to E_WARNING and…

Michal Táborský in Tallship

May 28, 2009

Calling SAP RFC from PHP thru message server

If you have the need to call your SAP R/3 system from PHP (which we do), you have several possibilities to do so. One of them is using the proprietary RFC protocol. Fortunately, there exists a PHP SAPRFC library for this purpose.

Because we want high…