Beresp status 500 seems to remove object in grace
Bert Proesmans
bproesmans at hotmail.com
Sat May 16 22:59:39 UTC 2026
Hi,
I'm debugging an issue with varnish in my homelab. My intention is to have varnish cache the recently downloaded pictures for a long(er) time because my picture service uses tiered network storage and not all storage is online/available 24/7.
What I'm expecting with my configuration (<github link><https://github.com/Bert-Proesmans/nix/blob/220b8308ea6bfface4af5049e458bbfe165be516/flake/nixosModules/profiles/omega-loadbalancer/web-cache.nix>) is for varnish to keep serving objects in grace period for as long as the upstream replies with >=500 status codes.
More concretely; 500 errors are abandoned in vcl_backend_response (line 279), and cacheable assets (bereq.url ~ "^/api/assets/[^/]+/(thumbnail|original|video)") get a ttl period of 1 minute, while debugging, and a grace period of 2 weeks (line 338-340).
(This paragraph is about the http request and varnishlog output appended at the end of this e-mail.)
What I'm seeing is that [Request 3473418] is served from cache(grace), the HIT statement confirms the TTL and GRACE timers are correctly set by a cache-warming request, this is what I expected.
[Request 3473418] triggers [BeRequest 3473419] which gets upstream reply with error 500 and the state-flow ends with Abandon, this is what I expected.
Then [Request 1179659], following 60+ seconds later, shows no more object in cache (no HIT statement, jump into state MISS), _this the issue_.
I understand that [BeRequest 3473419] must have caused a removal of the cached object, but I cannot figure out why (and how to solve it). Is anyone interested to point out what I'm doing wrong, please?
This test was executed against varnish-8.0.1 from unstable nix-packages(nix details below). Thanks for reading!
---
Environment;
$ nix-info -m
- system: `"x86_64-linux"`
- host os: `Linux 6.18.26, NixOS, 26.05 (Yarara), 26.05.20260505.549bd84`
- multi-user?: `no`
- sandbox: `yes`
- version: `nix-env (Nix) 2.34.7`
- nixpkgs: `/nix/store/h9wn92hv33sizprch7fcp16lfs1k3w5j-source`
Request;
curl -i 'https://pictures.proesmans.eu/api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?size=thumbnail&c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true' \
-H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0' \
-H 'Accept: image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5' \
-H 'Accept-Language: en-US,en;q=0.9' \
-H 'Accept-Encoding: gzip, deflate, br, zstd' \
-H 'Referer: https://pictures.proesmans.eu/photos' \
-H 'DNT: 1' \
-H 'Sec-Fetch-Dest: image' \
-H 'Sec-Fetch-Mode: no-cors' \
-H 'Sec-Fetch-Site: same-origin' \
-H 'Connection: keep-alive' \
-H 'Cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true' \
--resolve pictures.proesmans.eu:443:158.101.202.58
Varnishlog output (untrimmed, also immich_access_token invalidated);
$ sudo -u varnish varnishlog -g request -q 'ReqUrl ~ "75154312-e328-4399-894e-91605a8f6803"'
* << Request >> 4390916
- Begin req 4390915 rxreq
- Timestamp Start: 1778969712.122633 0.000000 0.000000
- Timestamp Req: 1778969712.122633 0.000000 0.000000
- VCL_use boot
- ReqStart 80.200.109.240 16356 local_unix
- ReqMethod GET
- ReqURL /api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?size=thumbnail&c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true
- ReqProtocol HTTP/1.1
- ReqHeader user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0
- ReqHeader accept: image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5
- ReqHeader accept-language: en-US,en;q=0.9
- ReqHeader accept-encoding: gzip, deflate, br, zstd
- ReqHeader referer: https://pictures.proesmans.eu/photos
- ReqHeader dnt: 1
- ReqHeader sec-fetch-dest: image
- ReqHeader sec-fetch-mode: no-cors
- ReqHeader sec-fetch-site: same-origin
- ReqHeader cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader x-forwarded-proto: https
- ReqHeader x-forwarded-host: pictures.proesmans.eu
- ReqHeader x-forwarded-server: 01-fart
- ReqHeader host: omega.pictures.proesmans.eu
- ReqHeader X-Forwarded-For: 80.200.109.240
- ReqHeader Via: 1.1 01-fart (Varnish/8.0)
- VCL_call RECV
- ReqHeader X-Backend: pictures
- ReqUnset host: omega.pictures.proesmans.eu
- ReqHeader Host: omega.pictures.proesmans.eu
- ReqUnset x-forwarded-host: pictures.proesmans.eu
- ReqHeader X-Forwarded-Host: omega.pictures.proesmans.eu
- ReqURL /api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true&size=thumbnail
- ReqUnset cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader X-Upstream-Cookies: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqUnset cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader grace: none
- VCL_return hash
- ReqUnset accept-encoding: gzip, deflate, br, zstd
- ReqHeader Accept-Encoding: gzip
- VCL_call HASH
- VCL_return lookup
- Hit 65545 16.341564 1209600.000000 604800.000000
- VCL_call HIT
- ReqHeader x-cache: hit
- VCL_return deliver
- RespProtocol HTTP/1.1
- RespStatus 200
- RespReason OK
- RespHeader server: nginx
- RespHeader date: Sat, 16 May 2026 22:14:28 GMT
- RespHeader x-powered-by: Express
- RespHeader x-immich-cid: 0fvb9e69
- RespHeader content-disposition: inline; filename*=UTF-8''20260515_234200_thumbnail.webp
- RespHeader last-modified: Sat, 16 May 2026 04:54:08 GMT
- RespHeader etag: W/"69ac-19e2f227580"
- RespHeader content-type: image/webp
- RespHeader content-length: 27052
- RespHeader X-Varnish: 4390916 65545
- RespHeader Age: 43
- RespHeader Via: 1.1 01-fart (Varnish/8.0)
- RespHeader Accept-Ranges: bytes
- VCL_call DELIVER
- RespHeader x-cache: hit cached
- VCL_return deliver
- Timestamp Process: 1778969712.122716 0.000082 0.000082
- Filters
- RespHeader Connection: keep-alive
- Timestamp Resp: 1778969712.122759 0.000125 0.000043
- ReqAcct 767 0 767 453 27052 27505
- End
* << Request >> 3473418
- Begin req 3473417 rxreq
- Timestamp Start: 1778969746.961977 0.000000 0.000000
- Timestamp Req: 1778969746.961977 0.000000 0.000000
- VCL_use boot
- ReqStart 80.200.109.240 16371 local_unix
- ReqMethod GET
- ReqURL /api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?size=thumbnail&c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true
- ReqProtocol HTTP/1.1
- ReqHeader user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0
- ReqHeader accept: image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5
- ReqHeader accept-language: en-US,en;q=0.9
- ReqHeader accept-encoding: gzip, deflate, br, zstd
- ReqHeader referer: https://pictures.proesmans.eu/photos
- ReqHeader dnt: 1
- ReqHeader sec-fetch-dest: image
- ReqHeader sec-fetch-mode: no-cors
- ReqHeader sec-fetch-site: same-origin
- ReqHeader cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader x-forwarded-proto: https
- ReqHeader x-forwarded-host: pictures.proesmans.eu
- ReqHeader x-forwarded-server: 01-fart
- ReqHeader host: omega.pictures.proesmans.eu
- ReqHeader X-Forwarded-For: 80.200.109.240
- ReqHeader Via: 1.1 01-fart (Varnish/8.0)
- VCL_call RECV
- ReqHeader X-Backend: pictures
- ReqUnset host: omega.pictures.proesmans.eu
- ReqHeader Host: omega.pictures.proesmans.eu
- ReqUnset x-forwarded-host: pictures.proesmans.eu
- ReqHeader X-Forwarded-Host: omega.pictures.proesmans.eu
- ReqURL /api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true&size=thumbnail
- ReqUnset cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader X-Upstream-Cookies: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqUnset cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader grace: none
- VCL_return hash
- ReqUnset accept-encoding: gzip, deflate, br, zstd
- ReqHeader Accept-Encoding: gzip
- VCL_call HASH
- VCL_return lookup
- Hit 65545 -18.497779 1209600.000000 604800.000000
- VCL_call HIT
- ReqHeader x-cache: hit
- ReqUnset x-cache: hit
- ReqHeader x-cache: hit graced
- VCL_return deliver
- Link bereq 3473419 bgfetch
- Timestamp Fetch: 1778969746.962148 0.000170 0.000170
- RespProtocol HTTP/1.1
- RespStatus 200
- RespReason OK
- RespHeader server: nginx
- RespHeader date: Sat, 16 May 2026 22:14:28 GMT
- RespHeader x-powered-by: Express
- RespHeader x-immich-cid: 0fvb9e69
- RespHeader content-disposition: inline; filename*=UTF-8''20260515_234200_thumbnail.webp
- RespHeader last-modified: Sat, 16 May 2026 04:54:08 GMT
- RespHeader etag: W/"69ac-19e2f227580"
- RespHeader content-type: image/webp
- RespHeader content-length: 27052
- RespHeader X-Varnish: 3473418 65545
- RespHeader Age: 78
- RespHeader Via: 1.1 01-fart (Varnish/8.0)
- RespHeader Accept-Ranges: bytes
- VCL_call DELIVER
- RespHeader x-cache: hit graced cached
- VCL_return deliver
- Timestamp Process: 1778969746.962160 0.000183 0.000012
- Filters
- RespHeader Connection: keep-alive
- Timestamp Resp: 1778969746.962197 0.000220 0.000037
- ReqAcct 767 0 767 460 27052 27512
- End
** << BeReq >> 3473419
-- Begin bereq 3473418 bgfetch
-- VCL_use boot
-- Timestamp Start: 1778969746.962113 0.000000 0.000000
-- BereqMethod GET
-- BereqURL /api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true&size=thumbnail
-- BereqProtocol HTTP/1.1
-- BereqHeader user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0
-- BereqHeader accept: image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5
-- BereqHeader accept-language: en-US,en;q=0.9
-- BereqHeader referer: https://pictures.proesmans.eu/photos
-- BereqHeader dnt: 1
-- BereqHeader sec-fetch-dest: image
-- BereqHeader sec-fetch-mode: no-cors
-- BereqHeader sec-fetch-site: same-origin
-- BereqHeader x-forwarded-proto: https
-- BereqHeader x-forwarded-server: 01-fart
-- BereqHeader X-Forwarded-For: 80.200.109.240
-- BereqHeader Via: 1.1 01-fart (Varnish/8.0)
-- BereqHeader X-Backend: pictures
-- BereqHeader Host: omega.pictures.proesmans.eu
-- BereqHeader X-Forwarded-Host: omega.pictures.proesmans.eu
-- BereqHeader X-Upstream-Cookies: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
-- BereqHeader grace: none
-- BereqHeader Accept-Encoding: gzip
-- BereqHeader x-cache: hit graced
-- BereqHeader If-Modified-Since: Sat, 16 May 2026 04:54:08 GMT
-- BereqHeader If-None-Match: W/"69ac-19e2f227580"
-- BereqHeader X-Varnish: 3473419
-- VCL_call BACKEND_FETCH
-- BereqHeader cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
-- BereqUnset X-Upstream-Cookies: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
-- VCL_return fetch
-- Timestamp Fetch: 1778969746.962143 0.000029 0.000029
-- Timestamp Connected: 1778969746.962184 0.000071 0.000041
-- BackendOpen 21 pictures 0.0.0.0 0 0.0.0.0 0 connect
-- Timestamp Bereq: 1778969746.962206 0.000093 0.000022
-- BerespProtocol HTTP/1.1
-- BerespStatus 500
-- BerespReason Internal Server Error
-- BerespHeader server: nginx
-- BerespHeader date: Sat, 16 May 2026 22:15:46 GMT
-- BerespHeader content-type: image/webp; charset=utf-8
-- BerespHeader content-length: 79
-- BerespHeader x-powered-by: Express
-- BerespHeader x-immich-cid: 4cnmp4x6
-- BerespHeader cache-control: none
-- BerespHeader content-disposition: inline; filename*=UTF-8''20260515_234200_thumbnail.webp
-- BerespHeader etag: "4f-Qg1AEgG2baZOjTOFu2OiG/vkZRQ"
-- Timestamp Beresp: 1778969746.976234 0.014121 0.014027
-- TTL RFC -1 10 0 1778969747 1778969747 1778969746 0 0 cacheable
-- VCL_call BACKEND_RESPONSE
-- VCL_return abandon
-- BackendClose 21 pictures close RESP_CLOSE
-- BereqAcct 1009 0 1009 337 0 337
-- End
* << Request >> 1179659
- Begin req 3440642 rxreq
- Timestamp Start: 1778969766.604755 0.000000 0.000000
- Timestamp Req: 1778969766.604755 0.000000 0.000000
- VCL_use boot
- ReqStart 80.200.109.240 8758 local_unix
- ReqMethod GET
- ReqURL /api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?size=thumbnail&c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true
- ReqProtocol HTTP/1.1
- ReqHeader user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0
- ReqHeader accept: image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5
- ReqHeader accept-language: en-US,en;q=0.9
- ReqHeader accept-encoding: gzip, deflate, br, zstd
- ReqHeader referer: https://pictures.proesmans.eu/service-worker.js
- ReqHeader dnt: 1
- ReqHeader sec-fetch-dest: empty
- ReqHeader sec-fetch-mode: no-cors
- ReqHeader sec-fetch-site: same-origin
- ReqHeader priority: u=5
- ReqHeader te: trailers
- ReqHeader cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader x-forwarded-proto: https
- ReqHeader x-forwarded-host: pictures.proesmans.eu
- ReqHeader x-forwarded-server: 01-fart
- ReqHeader host: omega.pictures.proesmans.eu
- ReqHeader X-Forwarded-For: 80.200.109.240
- ReqHeader Via: 1.1 01-fart (Varnish/8.0)
- VCL_call RECV
- ReqHeader X-Backend: pictures
- ReqUnset host: omega.pictures.proesmans.eu
- ReqHeader Host: omega.pictures.proesmans.eu
- ReqUnset x-forwarded-host: pictures.proesmans.eu
- ReqHeader X-Forwarded-Host: omega.pictures.proesmans.eu
- ReqURL /api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true&size=thumbnail
- ReqUnset cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader X-Upstream-Cookies: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqUnset cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
- ReqHeader grace: none
- VCL_return hash
- ReqUnset accept-encoding: gzip, deflate, br, zstd
- ReqHeader Accept-Encoding: gzip
- VCL_call HASH
- VCL_return lookup
- VCL_call MISS
- ReqHeader x-cache: miss
- VCL_return fetch
- Link bereq 1179660 fetch
- Timestamp Fetch: 1778969766.635941 0.031185 0.031185
- RespProtocol HTTP/1.1
- RespStatus 500
- RespReason Internal Server Error
- RespHeader Date: Sat, 16 May 2026 22:16:06 GMT
- RespHeader Server: Varnish
- RespHeader Content-Type: text/html; charset=utf-8
- RespHeader Retry-After: 5
- RespHeader X-Varnish: 1179659
- RespHeader Age: 0
- RespHeader Via: 1.1 01-fart (Varnish/8.0)
- VCL_call DELIVER
- RespHeader x-cache: miss cached
- VCL_return deliver
- Timestamp Process: 1778969766.635961 0.031205 0.000020
- Filters
- RespHeader Content-Length: 287
- RespHeader Connection: keep-alive
- Timestamp Resp: 1778969766.635996 0.031241 0.000035
- ReqAcct 807 0 807 275 287 562
- End
** << BeReq >> 1179660
-- Begin bereq 1179659 fetch
-- VCL_use boot
-- Timestamp Start: 1778969766.604858 0.000000 0.000000
-- BereqMethod GET
-- BereqURL /api/assets/75154312-e328-4399-894e-91605a8f6803/thumbnail?c=zhcKC4QIiYZkhyioQKvjDYQ%3D&edited=true&size=thumbnail
-- BereqProtocol HTTP/1.1
-- BereqHeader user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0
-- BereqHeader accept: image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5
-- BereqHeader accept-language: en-US,en;q=0.9
-- BereqHeader referer: https://pictures.proesmans.eu/service-worker.js
-- BereqHeader dnt: 1
-- BereqHeader sec-fetch-dest: empty
-- BereqHeader sec-fetch-mode: no-cors
-- BereqHeader sec-fetch-site: same-origin
-- BereqHeader priority: u=5
-- BereqHeader x-forwarded-proto: https
-- BereqHeader x-forwarded-server: 01-fart
-- BereqHeader X-Forwarded-For: 80.200.109.240
-- BereqHeader Via: 1.1 01-fart (Varnish/8.0)
-- BereqHeader X-Backend: pictures
-- BereqHeader Host: omega.pictures.proesmans.eu
-- BereqHeader X-Forwarded-Host: omega.pictures.proesmans.eu
-- BereqHeader X-Upstream-Cookies: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
-- BereqHeader grace: none
-- BereqHeader Accept-Encoding: gzip
-- BereqHeader x-cache: miss
-- BereqHeader If-Modified-Since: Sat, 16 May 2026 04:54:08 GMT
-- BereqHeader If-None-Match: W/"69ac-19e2f227580"
-- BereqHeader X-Varnish: 1179660
-- VCL_call BACKEND_FETCH
-- BereqHeader cookie: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
-- BereqUnset X-Upstream-Cookies: immich_access_token=rKVSmX3b1jV0Wl53zZv6oMUqNUf7O8k5FVXOQfMmI; immich_auth_type=oauth; immich_is_authenticated=true
-- VCL_return fetch
-- Timestamp Fetch: 1778969766.604875 0.000016 0.000016
-- Timestamp Connected: 1778969766.604925 0.000066 0.000049
-- BackendOpen 47 pictures 0.0.0.0 0 0.0.0.0 0 connect
-- Timestamp Bereq: 1778969766.604950 0.000091 0.000025
-- BerespProtocol HTTP/1.1
-- BerespStatus 500
-- BerespReason Internal Server Error
-- BerespHeader server: nginx
-- BerespHeader date: Sat, 16 May 2026 22:16:06 GMT
-- BerespHeader content-type: image/webp; charset=utf-8
-- BerespHeader content-length: 79
-- BerespHeader x-powered-by: Express
-- BerespHeader x-immich-cid: yis8kg7q
-- BerespHeader cache-control: none
-- BerespHeader content-disposition: inline; filename*=UTF-8''20260515_234200_thumbnail.webp
-- BerespHeader etag: "4f-pf/4JVFREwXytA2NeaoYFTG89Ew"
-- Timestamp Beresp: 1778969766.635499 0.030640 0.030549
-- TTL RFC -1 10 0 1778969767 1778969767 1778969766 0 0 cacheable
-- VCL_call BACKEND_RESPONSE
-- TTL VCL 30 10 0 1778969767 cacheable
-- VCL_return error
-- BackendClose 47 pictures close RESP_CLOSE
-- Timestamp Error: 1778969766.635550 0.030691 0.000051
-- BerespProtocol HTTP/1.1
-- BerespStatus 500
-- BerespReason Internal Server Error
-- BerespHeader Date: Sat, 16 May 2026 22:16:06 GMT
-- BerespHeader Server: Varnish
-- VCL_call BACKEND_ERROR
-- BerespHeader Content-Type: text/html; charset=utf-8
-- BerespHeader Retry-After: 5
-- VCL_return deliver
-- Storage malloc Transient
-- Length 287
-- BereqAcct 1029 0 1029 337 0 337
-- End
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