Monthly Archives: August 2017

Is Spring RestTemplate Thread Safe

Is Spring RestTemplate Thread Safe? The only correct answer to this question is: No A quick look at the source (the link is tied to a specific version so the line number is always correct) on line 230 shows the … Continue reading

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Hadoop Terasort VirtualBox benchmarks

Setup: 3-node hadoop (hdp v2.6.1), installed via Ambari 2.5.1 and running in VirtualBox 5.1 on one physical machine. The terasort is traditionally run on 1 terabyte of random data (SIZE=10,000,000,000). In 2008, Yahoo! ran terasort on 1TB of data in … Continue reading

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