get_stats.sh

#!/bin/bash
printf 'Total layers/blobs involved into the test 8787(l)/5000(l+b): '
find /var/lib/image-serve/v2 -type f -name 'sha256*' | cut -d':' -f2 | wc -l
find /var/lib/containers/storage/volumes/*/_data/docker/registry/v2/repositories/*/*/_layers/sha256 -type f | cut -d'/' -f17 | wc -l
find /var/lib/containers/storage/volumes/*/_data/docker/registry/v2/blobs -type f | wc -l

printf 'Total unique layers 8787/5000: '
find /var/lib/image-serve/v2 -type f -name 'sha256*' | cut -d':' -f2 | sort -u | wc -l
find /var/lib/containers/storage/volumes/*/_data/docker/registry/v2/repositories/*/*/_layers/sha256 -type f | cut -d'/' -f17 | sort -u | wc -l

printf 'Total linked layers 8787: '
find /var/lib/image-serve/v2 -type f -links +1 -name 'sha256*' | cut -d':' -f2 | wc -l
find /var/lib/containers/storage/volumes/*/_data/docker/registry/v2/repositories/*/*/_layers/sha256 -links +1 | cut -d'/' -f17 | wc -l

printf 'Total linked and unique 8787: '
find /var/lib/image-serve/v2 -type f -links +1 -name 'sha256*' | cut -d':' -f2 | sort -u | wc -l
find /var/lib/containers/storage/volumes/*/_data/docker/registry/v2/repositories/*/*/_layers/sha256 -links +1 | cut -d'/' -f17 | sort -u | wc -l

[ "$1" ] || exit 0
echo
printf 'Starting new HTTP: '
grep 'Starting new HTTP' $1 | wc -l
printf 'Connecting docker.io: '
grep docker.io $1 | wc -l
printf 'Layer already exists (checked via HTTP): ' 
grep 'already exists:'  $1 | wc -l
printf 'Layer already exists (in cached view): ' 
grep 'already exists at'  $1 | wc -l
printf 'Layer referenced by other images (in cached view): ' 
grep 'by image'  $1 | wc -l
printf 'Cross repo mounts: ' 
grep 'Cross'  $1 | wc -l
printf 'Linking layers: ' 
grep 'Linking layers'  $1 | wc -l
printf 'Locks being fetched by another worker: '
grep 'being fetched by another' $1 | wc -l
printf 'No lock information provided: '
grep 'No lock information provided' $1 | wc -l
printf 'Lock collisions: '
grep ollision $1 | wc -l

printf 'layers re-read via HTTP: '
grep -Eo '((Read|Fetching).*sha256:\S+)' $1 > /tmp/all
diff -Nuar <(cat /tmp/all | sed -r 's/.*sha256:(\S+).*/\1 \0/' | sort -u) <(cat /tmp/all | sed -r 's/.*sha256:(\S+).*/\1 \0/' | sort) | grep -E '^\+{1,}' | wc -l