Philipp Krenn

@xeraa
628 Followers
174 Following
1.7K Posts
🎩 of DevRel & Developer 🥑 at Elastic — toots about Elasticsearch, Kibana, search, observability, security
websitehttps://xeraa.net
twitterhttps://twitter.com/xeraa
linkedinhttps://www.linkedin.com/in/philippkrenn/
githubhttps://github.com/xeraa
earning a living with OSS was never easy. but it just seems to be getting harder with LLMs like for tailwind, which ironically LLMs love: https://github.com/tailwindlabs/tailwindcss.com/pull/2388#issuecomment-3717222957
not an encouraging thought
anybody tried z.ai in anger?
not sure about the quality other than the claims; there is a more in-depth paper: https://arxiv.org/abs/2508.06471
but the pricing looks really hard to beat and you can just put it "under" the common tools
back at home to upset the neighbors: mr 🐿️ was not pleased by my presence — only wants nuts unobserved
how to clean up an ancient (8 years!) #elasticsearch cluster with MCP + #claude: https://frutik.medium.com/robots-vs-zombies-in-twilight-battle-6409123a2767
PS: not being able to delete indices might be a bit of a feature

Was ist Developer Relations? Was macht ein Developer Advocate? Nur auf Konferenzen herumturnen, Talks halten und Swag verteilen?
Spoiler: Es ist mehr, als du denkst …

@xeraa im Podcast-Interview (Head of DevRel & Developer Advocate bei Elastic)!

Es geht um ...
• Unterschied zum Marketing?
• Technik vs. Developer Relations und der Alltag
• Personenkult
• KPIs
• Hype Zyklen, Budget, AI Boom und Jobnachfrage
• Reisetätigkeit
• und vieles mehr ...

🎧 https://engineeringkiosk.dev/podcast/episode/246-dev-advocate-warum-developer-relations-mehr-ist-als-talks-swag-mit-philipp-krenn-von-elastic/?pkn=mastodon

final friday elky of the year — already in the well rounded holiday version 😀
I‘m off to europe for a bit now
latest malware benchmarks from https://www.av-comparatives.org/tests/business-security-test-2025-august-november/
PS: still surprised to see elastic in the list and how well we're doing — caught everything in 2025

finally got some billing alerts in elastic cloud
less relevant with static setups. much more relevant with #serverless projects — don't judge all the projects running here

full docs in https://www.elastic.co/docs/deploy-manage/cloud-organization/billing/manage-billing-notifications
with more options to come — I'd love to see some better billing groups and flexible thresholds

is it time to move to @lobsters?
the amount of LLM slop, astroturfing, sock puppeting,... in open channels is starting to get really annoying
TIL about #zswap "a compressed write-back cache for swapped pages, as a form of virtual memory compression". this will hopefully came in handy soon for performance :)
also there are zram and zcache (https://askubuntu.com/a/472227 has a comparison)
zram vs zswap vs zcache Ultimate guide: when to use which one

What the hell are they? How are they different (I've written my understanding in an answer below) In the Zswap system, when a page is evicted from the zswap to the actual swap is it stored in a

Ask Ubuntu