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SSDs, or everything old is new again

Some information about SSDs that a lot of people were apparently unaware of: High temperatures can make SSDs run slower. The log-structured I/O SSDs use is really poor for databases, which add their own layer of log-structured I/O. If you put multiple VMs on a single SSD, you can get unpredictable read latencies. The more you write to an SSD, the quicker it will fail. Item 1 was actually news to me.…

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"Stand back! I know regular expressions!"

For the last few days I’ve been taking part in the Advent of Code. Each day there are a couple of small programming problems to solve in your choice of language. There’s a Reddit community where people discuss the problems and their solutions. After solving the Day 5 problems pretty quickly, I went to the discussions and was a bit surprised to find that everyone was talking about regular expressions.…

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