Pandas: Memory Usage Reduction
Pandas defaults to memory-hungry data types. Load a CSV with a million rows, and Pandas will happily allocate 64-bit integers for columns that only contain values 0-10, and store repeated strings…
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Linux Disk Usage: df, du, and ncdu
Running out of disk space in production isn’t just inconvenient—it’s catastrophic. Applications crash, databases corrupt, logs stop writing, and deployments fail. I’ve seen a full /var partition…