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Month: April 2020
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Cassandra data model (as opposed to relational model)
ReadBad data model design with Cassandra causes chronic pains as application scales. I had to re-read about data model design in “Cassandra – the Definitive…
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How memory usage adds up in Linux
ReadThere are too many metrics that describes some aspects about memory in Linux. This posting will make sense of those common metrics in Linux, CentOS…
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Common local Git operations
ReadThis is a summary of concepts in common Git operations. We will discuss brach, merge, rebase, cherrypick, stash and reset. Then we’ll discuss pull, fetch,…