a databricks report on smart load balancing in k8s makes the rounds.
i would like to mention that we solved this and other problems using the shard director in #vinylcache (formerly #varnishcache) years ago. for k8s we have viking (repo needs renaming).
and yes, l4 loadbalancing of http is, in […]
i would like to mention that we solved this and other problems using the shard director in #vinylcache (formerly #varnishcache) years ago. for k8s we have viking (repo needs renaming).
and yes, l4 loadbalancing of http is, in […]
Original post on fosstodon.org
fosstodon.org
October 1, 2025 at 7:19 AM
a databricks report on smart load balancing in k8s makes the rounds.
i would like to mention that we solved this and other problems using the shard director in #vinylcache (formerly #varnishcache) years ago. for k8s we have viking (repo needs renaming).
and yes, l4 loadbalancing of http is, in […]
i would like to mention that we solved this and other problems using the shard director in #vinylcache (formerly #varnishcache) years ago. for k8s we have viking (repo needs renaming).
and yes, l4 loadbalancing of http is, in […]
The launch of #VarnishCache 8.0 has been eclipsed by heated debate over the project’s sudden rename to “Vinyl Cache.”
linuxiac.com/varnish-cach...
linuxiac.com/varnish-cach...
Varnish Cache 8.0 Arrives in the Middle of a Heated Rebranding Controversy
The launch of Varnish Cache 8.0 has been eclipsed by heated debate over the project’s sudden rename to “Vinyl Cache.”
linuxiac.com
September 22, 2025 at 7:44 PM
The launch of #VarnishCache 8.0 has been eclipsed by heated debate over the project’s sudden rename to “Vinyl Cache.”
linuxiac.com/varnish-cach...
linuxiac.com/varnish-cach...
@dalias with #varnishcache my recommendation for persistent storage is SLASH/fellow
https://gitlab.com/uplex/varnish/slash
https://gitlab.com/uplex/varnish/slash
uplex / varnish / slash · GitLab
Storage Engines (stevedores) and Routers (loadmasters) for Varnish-Cache
gitlab.com
August 25, 2025 at 9:32 AM
@dalias with #varnishcache my recommendation for persistent storage is SLASH/fellow
https://gitlab.com/uplex/varnish/slash
https://gitlab.com/uplex/varnish/slash
With the merge of https://github.com/varnishcache/varnish-cache/pull/4209 #varnishcache is now prepared for using asynchronous I/O also on the network side.
Stay tuned.
#io_uring
Stay tuned.
#io_uring
Prepare Varnish-Cache for the age of AI by nigoroll · Pull Request #4209 · varnishcache/varnish-cache
... where of course AI stands for Asynchronous Iterators ;) On this PR This PR might be more extensive than others, and I would like to ask reviewers to lean back and take some time for it. Thank y...
github.com
July 4, 2025 at 5:06 PM
With the merge of https://github.com/varnishcache/varnish-cache/pull/4209 #varnishcache is now prepared for using asynchronous I/O also on the network side.
Stay tuned.
#io_uring
Stay tuned.
#io_uring
#varnishcache uses miniobj.h by @bsdphk which puts an unsigned int magic value at the start of each "thing pointed to", which is really helpful to guard against stray pointers, use-after-free and whatnot.
today i ran sth like
od -A None -t x4 -w 4 | grep -E | sort | uniq […]
today i ran sth like
od -A None -t x4 -w 4 | grep -E
Original post on fosstodon.org
fosstodon.org
June 16, 2025 at 8:22 PM
#varnishcache uses miniobj.h by @bsdphk which puts an unsigned int magic value at the start of each "thing pointed to", which is really helpful to guard against stray pointers, use-after-free and whatnot.
today i ran sth like
od -A None -t x4 -w 4 | grep -E | sort | uniq […]
today i ran sth like
od -A None -t x4 -w 4 | grep -E
@selea until recently, the default h2 status in #varnishcache (unintentional)
https://github.com/varnishcache/varnish-cache/pull/4284
https://github.com/varnishcache/varnish-cache/pull/4284
http2: The client closing the connection is not an error by nigoroll · Pull Request #4284 · varnishcache/varnish-cache
It is fine for a client to close the connection, we should say a friendly goodbye and log this as no error. Closes #4281 Related to #4283
github.com
May 14, 2025 at 4:05 PM
@selea until recently, the default h2 status in #varnishcache (unintentional)
https://github.com/varnishcache/varnish-cache/pull/4284
https://github.com/varnishcache/varnish-cache/pull/4284
📦 mittwald/varnishcache 4.0.1
Varnishcache TYPO3 Extension
🔗 https://github.com/mittwald/typo3-varnishcache
Varnishcache TYPO3 Extension
🔗 https://github.com/mittwald/typo3-varnishcache
March 20, 2025 at 7:40 AM
📦 mittwald/varnishcache 4.0.1
Varnishcache TYPO3 Extension
🔗 https://github.com/mittwald/typo3-varnishcache
Varnishcache TYPO3 Extension
🔗 https://github.com/mittwald/typo3-varnishcache
The #TYPO3 extension varnishcache v5.0.0 is now compatible with TYPO3 v13.
https://extensions.typo3.org/extension/varnishcache
https://extensions.typo3.org/extension/varnishcache
March 19, 2025 at 10:52 AM
The #TYPO3 extension varnishcache v5.0.0 is now compatible with TYPO3 v13.
https://extensions.typo3.org/extension/varnishcache
https://extensions.typo3.org/extension/varnishcache
video and slides are online https://fosdem.org/2025/schedule/event/fosdem-2025-4479-a-memory-allocator-with-only-0-006-fixed-overhead-written-from-scratch/ #varnishcache
#fosdem #buddy #MemoryAllocation #foss
#fosdem #buddy #MemoryAllocation #foss
FOSDEM 2025 - A memory allocator with only 0,006% fixed overhead written from scratch
fosdem.org
February 9, 2025 at 3:43 PM
Die letzten zwei Tage mal wieder die Nase tief in den #varnishcache gesteckt. Das tut auch gut, mal wieder so richtig IT zu machen. Und: was ein geiles Stück Software.
January 24, 2025 at 4:25 PM
Die letzten zwei Tage mal wieder die Nase tief in den #varnishcache gesteckt. Das tut auch gut, mal wieder so richtig IT zu machen. Und: was ein geiles Stück Software.
as i am currently working on making #varnishcache client side io #async'hronius with #io_uring, i must say that https://lucumr.pocoo.org/2024/11/18/threads-beat-async-await/ made me think if we need more facilities for forensic analysis…
November 25, 2024 at 6:56 PM
as i am currently working on making #varnishcache client side io #async'hronius with #io_uring, i must say that https://lucumr.pocoo.org/2024/11/18/threads-beat-async-await/ made me think if we need more facilities for forensic analysis…
vmod-dynamic, our #varnishcache module for dynamic backends from #dns (A/CNAME and SRV records) has received some bug fixes and workarounds for issues in Varnish-Cache 7.5 and 7.6.
The new wait_timeout and wait_limits parameters are now supported.
See the changelog for details […]
The new wait_timeout and wait_limits parameters are now supported.
See the changelog for details […]
Original post on fosstodon.org
fosstodon.org
November 14, 2024 at 6:26 PM
vmod-dynamic, our #varnishcache module for dynamic backends from #dns (A/CNAME and SRV records) has received some bug fixes and workarounds for issues in Varnish-Cache 7.5 and 7.6.
The new wait_timeout and wait_limits parameters are now supported.
See the changelog for details […]
The new wait_timeout and wait_limits parameters are now supported.
See the changelog for details […]
using #io_uring for storage in #varnishcache
#allsystemsgo #asg2024
https://media.ccc.de/v/all-systems-go-2024-305-using-iouring-for-storage
From: @mediacccde
https://botsin.space/@mediacccde/113203506819669014
#allsystemsgo #asg2024
https://media.ccc.de/v/all-systems-go-2024-305-using-iouring-for-storage
From: @mediacccde
https://botsin.space/@mediacccde/113203506819669014
September 26, 2024 at 11:12 AM
babysteps, but something is happening #io_uring #varnishcache
![io_uring_enter(14, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1
futex(0x7ff0c0d0a3bc, FUTEX_WAKE_PRIVATE, 1) = 1
<... futex resumed>) = 0
io_uring_enter(14, 0, 1, IORING_ENTER_GETEVENTS, NULL, 8 <unfinished ...>
futex(0x7ff0c1e07008, FUTEX_WAKE_PRIVATE, 1) = 0
ioctl(19, FIONBIO, [0]) = 0
getpeername(19, {sa_family=AF_INET, sin_port=htons(54598), sin_addr=inet_addr("127.0.0.1")}, [28 => 16]) = 0
getsockname(19, {sa_family=AF_INET, sin_port=htons(8080), sin_addr=inet_addr("127.0.0.1")}, [28 => 16]) = 0
ioctl(19, FIONBIO, [0]) = 0
writev(19, [{iov_base="HTTP/1.1", iov_len=8}, {iov_base=" ", iov_len=1}, {iov_base="200", iov_len=3}, {iov_base=" ", iov_len=1}, {iov_base="OK", iov_len=2}, {iov_base="\r\n", iov_len=2}, {iov_base="Date: Tue, 17 Sep 2024 14:33:25 "..., iov_len=35}, {iov_base="\r\n", iov_len=2}, {iov_base="Server: Varnish", iov_len=15}, {iov_base="\r\n", iov_len=2}, {iov_base="X-Varnish: 32770", iov_len=16}, {iov_base="\r\n", iov_len=2}, {iov_base="Content-Type: text/html; charset"..., iov_len=38}, {iov_base="\r\n", iov_len=2}, {iov_base="Retry-After: 5", iov_len=14}, {iov_base="\r\n", iov_len=2}, {iov_base="Content-Length: 228", iov_len=19}, {iov_base="\r\n", iov_len=2}, {iov_base="Connection: keep-alive", iov_len=22}, {iov_base="\r\n", iov_len=2}, {iov_base="\r\n", iov_len=2}], 21) = 192](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:uuaor7mar2h2nbfdn7co4rw5/bafkreic4kgieqa4jk2im4qwjedtsv4n4jylwzeaoiuodivbxs4i45op3pm@jpeg)
September 17, 2024 at 2:39 PM
babysteps, but something is happening #io_uring #varnishcache
a new #varnishcache release 7.6 has landed yesterday: http://varnish-cache.org/releases/rel7.6.0.html#rel7-6-0
some of the changes:
- backend connections can now queue if max_connections reached
- accept connections on all ports from ranges
see […]
some of the changes:
- backend connections can now queue if max_connections reached
- accept connections on all ports from ranges
see […]
Original post on fosstodon.org
fosstodon.org
September 14, 2024 at 8:08 AM
a new #varnishcache release 7.6 has landed yesterday: http://varnish-cache.org/releases/rel7.6.0.html#rel7-6-0
some of the changes:
- backend connections can now queue if max_connections reached
- accept connections on all ports from ranges
see […]
some of the changes:
- backend connections can now queue if max_connections reached
- accept connections on all ports from ranges
see […]
updated changelog for the upcoming #varnishcache release https://github.com/varnishcache/varnish-cache/blob/master/doc/changes.rst#varnish-cache-next-2024-09-15
September 6, 2024 at 5:58 PM
updated changelog for the upcoming #varnishcache release https://github.com/varnishcache/varnish-cache/blob/master/doc/changes.rst#varnish-cache-next-2024-09-15
as i was asked about it: the quick update on some #varnishcache news at #GPN22 was part of the first lightning talks https://media.ccc.de/v/gpn22-440-lightning-talks-i#t=81 - first section
June 3, 2024 at 8:40 AM
as i was asked about it: the quick update on some #varnishcache news at #GPN22 was part of the first lightning talks https://media.ccc.de/v/gpn22-440-lightning-talks-i#t=81 - first section
Retrospective blog post to use BlueSky for comments:
techroads.org/get-ready-fo...
#Docker #VarnishCache
techroads.org/get-ready-fo...
#Docker #VarnishCache
Get ready for heavy traffic: Adding a Varnish cache to a production Docker stack
All bloggers dream of the day that their site has an article that goes viral, reaching the front page of Reddit, a viral Tweet, or FB share. I've had it happen, and believe me it's an awful, awful fee...
techroads.org
February 21, 2024 at 10:41 PM
Retrospective blog post to use BlueSky for comments:
techroads.org/get-ready-fo...
#Docker #VarnishCache
techroads.org/get-ready-fo...
#Docker #VarnishCache
[Article] Varnish et Drupal 9 : le vidage de cache ciblé
Comment mettre un cache de pages anonymes Varnish devant un Drupal 9 ?
Voici notre expérimentation et les bonnes pratiques : https://t.co/R1wPPTo4NY
cc @regilero #Drupal @varnishsoftware @varnishcache
Comment mettre un cache de pages anonymes Varnish devant un Drupal 9 ?
Voici notre expérimentation et les bonnes pratiques : https://t.co/R1wPPTo4NY
cc @regilero #Drupal @varnishsoftware @varnishcache
Varnish et Drupal 9 : le vidage de cache ciblé | Makina Corpus
La mise en place d'un cache de pages anonymes Varnish devant un Drupal 9 permet une mise en place relativement aisée d'un vidage automatique des pages mises en cache en se basant sur la politique de tags de Drupal. Cet article devrait vous donner les bases pour commencer à comprendre et expérimenter le système.
makina-corpus.com
December 13, 2024 at 1:44 PM
[Article] Varnish et Drupal 9 : le vidage de cache ciblé
Comment mettre un cache de pages anonymes Varnish devant un Drupal 9 ?
Voici notre expérimentation et les bonnes pratiques : https://t.co/R1wPPTo4NY
cc @regilero #Drupal @varnishsoftware @varnishcache
Comment mettre un cache de pages anonymes Varnish devant un Drupal 9 ?
Voici notre expérimentation et les bonnes pratiques : https://t.co/R1wPPTo4NY
cc @regilero #Drupal @varnishsoftware @varnishcache
Guru Meditation @varnishcache ... immer wieder #schön zu sehen trotz #grr | e trae a la memoria mi amiga #oderso
January 10, 2025 at 12:54 PM
Guru Meditation @varnishcache ... immer wieder #schön zu sehen trotz #grr | e trae a la memoria mi amiga #oderso
Converted my 1st site to @varnishcache 4.0 today & @linode SSD servers. Stale page loads used to take 2.5s. Now? 40ms http://www.intowine.com/
IntoWine
Wine Recommendations, Food & Wine Pairing Suggestions, Vi...
www.intowine.com
November 22, 2024 at 7:50 PM
Converted my 1st site to @varnishcache 4.0 today & @linode SSD servers. Stale page loads used to take 2.5s. Now? 40ms http://www.intowine.com/
Trying out @varnishcache 4.0. Background refetch is AMAZING!! Never more than a 50ms response no matter how infrequently a page is accessed.
November 22, 2024 at 7:50 PM
Trying out @varnishcache 4.0. Background refetch is AMAZING!! Never more than a 50ms response no matter how infrequently a page is accessed.