Why Redis is fast I love the comments under https://zhuanlan.zhihu.com/p/160157573 :) Todo learn the flow of main function figure out how replication works such that it does not return stal...

docker container = Linux namespace + cgroups Rea this simple demystify article https://jvns.ca/blog/2016/10/10/what-even-is-a-container/ docker-in-docker (dind) docker-compose Misc 127....

key bindings names https://code.visualstudio.com/docs/getstarted/keybindings C/C++ configs There are two popular C/C++ plugins: C/C++ IntelliSense provided by Microsoft and Clangd provided by LL...

Plugins Gitlink: useful for copy permalink. ideavim: https://github.com/JetBrains/ideavim#finding-action-ids tells how to get the action id, so we can map it. put .ideavimrc ...

ScyllaDB sounds like an interesting product. It is open sourced and claimed to be compatible with DynamoDB and Cassandra.

Conflict resolution is resolved at read time. partition: consistent hashing versioning: vector clock

Build ./configure make -j bear -- make -j table lock error Basically, it means a write lock is already held on a table, and you want to get a read/write lock again. See the special check for re...

After Kibana installation, we should do three things Set up an index management policy. Create an index template and associate the index management policy with it. Also enable data stream. ...

Logstash is a pipeline for data ingesting, filtering and transformation. It is written using JRuby and Java. So It is quite a headache to navigate between Ruby code and Java code. In Logstash, ther...

vector is a combination of filebeat and logstash. VRL syntax See blog https://vector.dev/guides/level-up/transformation/ The . acts as a sort of “container” for the event data. . by itself re...