sre

platform vs os.uname Inventory: Localhost Lab

Hands-on platform.platform vs os.uname host inventory lab: real ops/s plus cache notes, measured on Linux localhost today in this hands-on lab for SREs.

uuid.uuid4 vs uuid.uuid1: Localhost Lab

Hands-on uuid.uuid4 vs uuid.uuid1 ID generation lab: real ops/s plus version/node checks, measured on Linux localhost today in this hands-on lab for SREs.

signal vs threading.Event Wakeup: Localhost Lab

Hands-on signal SIGUSR1 vs threading.Event wakeup lab: real p50 latency in microseconds, measured on Linux localhost today in this hands-on lab for SREs.

cmath vs math.hypot Magnitudes: Localhost Lab

Hands-on cmath vs math.hypot magnitude ops lab: real ops/s for abs, polar, and phase, measured on Linux localhost today in this hands-on lab for SREs.

tracemalloc Snapshot Cost: Localhost Lab

dataclasses.asdict vs vars: Localhost Lab

logging.Formatter vs f-string: Localhost Lab

xml.etree vs json Nested Records: Localhost Lab

random.choices vs sample vs choice: Localhost Lab

statistics.quantiles vs Manual Percentile: Localhost Lab

Path.glob vs listdir+fnmatch: Localhost Lab

Hands-on Path.glob vs os.listdir+fnmatch.filter one-dir lab: real matches/s on *.py files, measured on Linux localhost today in this hands-on lab for SREs.

tomllib vs JSON Config Load: Localhost Lab

Hands-on tomllib vs json.load nested config lab: real loads/s (stdlib TOML read-only), measured on Linux localhost today in this hands-on lab for SREs.