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klevze fb560fb7dd Add HTTP performance log analyzer (M12.6).

Parse rotated nginx JSON access logs into host/route timings so production hotspots can be measured without ad-hoc one-off scripts.

2026-08-29 12:25:27 +02:00

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M12.6 — Performance Analyzer Correctness + Rotation-Safe 24h Reporting

Analyzer-only. No nginx, FPM, Redis, or request-path changes.

Status filters

Value	Meaning
`--status=404`	exact HTTP 404 only
`--status=500`	exact 500
`--status=4xx`	400–499 (includes 404, 422, 499)
`--status=5xx`	500–599

--status=404 is not a 4xx class. Malformed values (foo, 40, 9999) exit 2.

Bug: the old analyzer only special-cased 4xx / 5xx / 499. --status=404 was ignored, so almost every row was returned.

Inputs

--file=path (repeatable)
--glob='…/skinbase-performance.log*'
default single file remains /var/log/nginx/skinbase-performance.log
.gz streamed with gzopen (no zcat, no full-file decompress)
duplicate paths are collapsed via realpath; duplicate events are kept

Time / coverage

--since=24h (or 30m / 7d) from --until or now
optional --until= ISO-8601, --hours=24 alias for --since=24h
Coverage uses parseable timestamps in the supplied files (15-minute tolerance)
Incomplete sources emit: Observed records do not demonstrate full requested coverage.

Backward compatible

php scripts/analyze-http-performance.php --file=/var/log/nginx/skinbase-performance.log --since=24h --host=skinbase.org

Rotation-aware 24h

sudo php /opt/www/virtual/SkinbaseNova/scripts/analyze-http-performance.php \
  --glob='/var/log/nginx/skinbase-performance.log*' \
  --since=24h \
  --host=skinbase.org \
  --top=20

skinbase may not be able to read /var/log/nginx; use the same sudo model as today. The analyzer is read-only.

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