Rsnapshot и Borgbаckup: две программы инкрементального резервного копирования https://te-st.ru/entries/rsnapshot-and-borgbckup/ Распределенный Git – Распределенный рабочий процесс https://git-scm.com/book/ru/v2/Распределенный-Git-Распределенный-рабочий-процесс https://www.vmware.com/support/developer/ovf/ovftool-430-userguide.pdf https://cstan.io/?p=8972&lang=en Functional Programming, Simplified (current contents) https://alvinalexander.com/misc/scala-functional-programming-simplified-contents PostgreSQL Cheat Sheet https://www.postgresqltutorial.com/postgresql-cheat-sheet/
Shodan is a search engine for Internet-connected devices. Web search engines, such as Google and Bing, are great for finding websites. But what if you’re interested in measuring which countries are becoming more connected? Or if you want to know which version of Microsoft IIS is the most popular? Or you want to find the […]
https://eli.thegreenplace.net/2017/concurrent-servers-part-1-introduction/ https://github.com/libuv/libuv Abstracting away event-driven loops with libuv In part 3, we’ve seen how similar select-based and epoll-based servers are, and I mentioned it’s very tempting to abstract away the minor differences between them. Numerous libraries are already doing this, however, so in this part I’m going to pick one and use it. The library I’m picking […]
https://github.com/aphyr/distsys-class https://github.com/heathermiller/dist-prog-book http://book.mixu.net/distsys/index.html The course aims to introduce software engineers to the practical basics of distributed systems, through lecture and discussion. Participants will gain an intuitive understanding of key distributed systems terms, an overview of the algorithmic landscape, and explore production concerns.
https://jepsen.io/analyses Over the past four years, Jepsen has analyzed over two dozen databases, coordination services, and queues—and we’ve found replica divergence, data loss, stale reads, lock conflicts, and much more. Here’s every analysis we’ve published.
http://www.liquibase.org The easiest way to run Liquibase is to set it to run automatically on startup. Once set up, your database state always matches what your code expects and you have no manual steps to forget. This method works best in environments where you have less control over the deployment process or if you want […]
https://gist.github.com/jboner/2841832 Latency Comparison Numbers ————————– L1 cache reference 0.5 ns Branch mispredict 5 ns L2 cache reference 7 ns 14x L1 cache Mutex lock/unlock 25 ns Main memory reference 100 ns 20x L2 cache, 200x L1 cache Compress 1K bytes with Zippy 3,000 ns 3 us Send 1K bytes over 1 Gbps network 10,000 ns […]
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