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Forwarded from HABR FEED + OPENNET
Мониторинг микросервисных приложений: взгляд SRE
https://habr.com/ru/post/505976/?utm_source=habrahabr&utm_medium=rss&utm_campaign=505976
Tags: Блог компании ITSumma, DevOps, IT-инфраструктура, IT-стандарты, Микросервисы, itsumma, микросервисы, мониторинг, kubernetes, K8s, инфраструктура, SRE, архитектура, деплой
Author eapotapov #habr
Там это, онлай конфа по #mongodb, и конечно же халявная 😱

https://www.mongodb.com/world
Sysadmin Tools 🇺🇦 pinned «kube-node is a minimalistic API which enables Kubernetes to manage its nodes by itself https://github.com/kube-node/nodeset #docker #kubernetes #k8s»
Forwarded from oleg_log (Oleg Kovalov)
Оп-па http://jepsen.io/analyses/postgresql-12.3

Results
In most respects, PostgreSQL behaved as expected: both read uncommitted and read committed prevent write skew and aborted reads. We observed no internal consistency violations. However, we have two surprising results to report. The first is that PostgreSQL’s “repeatable read” is weaker than repeatable read, at least as defined by Berenson, Adya, Bailis, et al. This is not necessarily wrong: the ANSI SQL standard is ambiguous. The second result, which is definitely wrong, is that PostgreSQL’s “serializable” isolation level isn’t serializable: it allows G2-item during normal operation.

Crux is an open source document database with bitemporal graph queries


https://opencrux.com

#darabase #graph #nosql