Tag Archives: optimization

Efficient sorting and iteration on large databases

Posted on June 15, 2009 by kamstrup

Before you read on, heed my words that this post might be a wee bit technical… If not extremely technical – caveat emptor The Problem In our continuous quest for a blazingly fast Summa, we ran into a performance problem … Continue reading →

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Toke’s Christmas Present for Y’all

Posted on December 19, 2008 by kamstrup

Just one last status update before I rush off to buy the last Christmas presents. Toke just converted Summa’s internal Lucene document builder to use the new XMLStreamReader found in Java 6, instead of using some XPath/DOM magic we had … Continue reading →

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Wroum Wroum!

Posted on December 2, 2008 by kamstrup

I just committed a pretty hefty optimization of our generic database backend. The optimization is in the area where we put records into the system – in Summa land known as “Ingest”. 1 hour of profiling, 200 lines of test … Continue reading →

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