@cirowrc profile picture
Ciro S. Costa @cirowrc
Joined May 2009
  • Tweets 4,819
  • Following 110
  • Followers 1,151
315 Photos and videos
Ciro S. Costa retweeted
Jacques Chester@jacques_chester
10 Apr 2021
I've at last finished a first version of an introduction to my new website, Theory of Predictable Software: "What is Predictable Software?" theoryof.predictable.softwar… Flying vegetables welcome.

3
2
3
Ciro S. Costa retweeted
Concourse CI@concourseci
18 Mar 2021
The team will be holding a community office hour today on YouTube. We'll be going over what's new in v7 of Concourse and demoing some features as well. Join us a 1pm EST youtu.be/Ml2tB1jxYFw
6
18
Ciro S. Costa retweeted
Jacques Chester@jacques_chester
24 Feb 2021
"Knative in Action" is published. You can get the PDF now and hard copies will be in stock today or tomorrow. Thankyou everyone who helped. Thankyou thankyou thankyou. #knative #serverless @KnativeProject
11
26
90
Replying to @newton_crypto
@newton_crypto @dwalper super excited about the pro API! currently having some trouble w/ submitting orders - has that been disabled? all other private endpoints seem fine: github.com/docs-newton/newto…

Unable to perform POST requests · Issue #3 · docs-newton/newton-api-docs

Hi folks! First of all, loving Newton! So, I'm currently trying to get a way of performing buy orders on the platform through the API, but I keep getting {"detail":"Invalid autho...

github.com
1
1
I went ahead w/ proxying the mobile app's requests to see if I could get any hints, but it doesn't use the pro api 😐
1
1
could definitely go with `/dashboard/api/transact` as long as I keep refreshing the token, but would be losing that sweet low spread from the PRO api - is there someone I could chat with, @dwalper @newton_crypto ? thx!!
1
Ciro S. Costa retweeted
Concourse CI@concourseci
16 Apr 2020
A big update on our community processes - thanks in large part to GitHub Discussions! blog.concourse-ci.org/nobody… R.I.P. Stale Bot - we hardly knew ye (but we all hated ye).
1
10
Ciro S. Costa retweeted
Jessie Frazelle
@jessfraz
30 Mar 2020
ACM opened access to the entire digital library for free. I love that now knowledge is not hidden behind a paywall. acm.org/articles/bulletins/2…

Message from ACM Regarding Open Access to ACM Digital Library during Coronavirus

All work published by ACM in the ACM Digital Library will be freely accessible until 6/30/20.

acm.org
13
494
893
Ciro S. Costa retweeted
Concourse CI@concourseci
25 Mar 2020
At long last: v6.0 is here! * Build re-running * New job scheduler * New resource checker * Fast dashboard (fastboard?) * New schema-centric docs github.com/concourse/concour… (Special thanks to everyone who contributed to this one!)

Release v6.0.0 · concourse/concourse

Concourse v6.0: it does things gooder.™ A whole new algorithm for deciding job inputs has been implemented which performs much better for Concourse instances that have a ton of version and build hi...

github.com
2
20
57
Ciro S. Costa retweeted
Concourse CI@concourseci
5 Mar 2020
👀 github.com/concourse/concour…

experiment: kubernetes worker by cirocosta · Pull Request #5223 · concourse/concourse

why do we need this pr? This PR demonstrates that the approach described in #5209 is feasible. It's NOT intended to ever be integrated as is - this is throwaway code just for demonstration ...

github.com
8
26
Ciro S. Costa retweeted
Dwayne Forde@dwayneforde
8 Jan 2020
Excited to what people do with the set_pipeline step! 🛠️
Concourse CI@concourseci
8 Jan 2020
Our first release of 2020, Concourse v5.8 is out! github.com/concourse/concour… * `set_pipeline` step * `var_sources` (experimental) * Configurable RBAC * ...and so much more! Huge thanks to the contributors who built this release and kick-started the v10 roadmap!
1
3
Ciro S. Costa retweeted
Yoshi Tamura@yoshiat
19 Nov 2019
gvisor.dev/blog/2019/11/18/g… #gVisor security team put together a blog that shows the security and design principles behind gVisor! Should be a fun read for those who care about container security.

1
19
25
Ciro S. Costa retweeted
Abandoned account of Thorsten Leemhuis (1/5)@kernellogger
19 Nov 2019
The @linuxplumbers Conference 2019 videos are now available on #Youtube linuxplumbersconf.org/blog/2… "[…] You can access and promote the #LinuxPlumbers Conference #YouTube channel here:" youtube.com/linuxplumberscon…
13
14
Ciro S. Costa retweeted
Damian Gryski@dgryski
16 Oct 2019
Defer gets cheaper, but panic/recover is more expensive. Cost of defer: 34ns -> 6ns. Cost of panic/recover: 62ns -> 255ns
Brad Fitzpatrick 🌻@bradfitz
16 Oct 2019
#golang defer statements got faster in Go 1.13 and got much faster just now, for Go 1.14: "cmd/compile, cmd/link, runtime: make defers low-cost through inline code and extra funcdata" go-review.googlesource.com/c…
9
51
229
Ciro S. Costa retweeted
Matthew Garrett (@mjg59@nondeterministic.computer)@mjg59
29 Sep 2019
Holy fuck git.kernel.org/pub/scm/linux…

29
120
841
Ciro S. Costa retweeted
Concourse CI@concourseci
17 Jul 2019
We've got a new blog, and we're kicking it off with a long-awaited roadmap update! blog.concourse-ci.org/core-r…

1
12
45
Ciro S. Costa retweeted
Brendan Gregg@brendangregg
15 Jul 2019
Announcing my next book: BPF Performance Tools: Linux System and Application Observability, for which I developed over 100 new tools brendangregg.com/blog/2019-0…
62
1,189
3,600
Ciro S. Costa@cirowrc
16 May 2019
🙌
Concourse CI@concourseci
16 May 2019
Concourse v5.2 is out! github.com/concourse/concour… (The sidebar is back!)
1
Ciro S. Costa@cirowrc
11 May 2019
it's just so crazy how "stressing" a linux node by making it receive at consistent 10Gbps reveals that just ~15% of sys time and ~14% of softirq time is needed (of a single core) 🤯
1
1
14
Ciro S. Costa@cirowrc
11 May 2019
the details: - single connection - just `splice`ing from the receiving socket directly to a fd pointing to `/dev/null`
1
1
Ciro S. Costa@cirowrc
11 May 2019
naturally, not on localhost - that's two pods communicating through a service on GKE with receiver & transmitter sitting on different nodes
Load more