It is about three months now. I make reflections on things I have done well and bad. I will refine my learning workflow. In the past, I used 2nd-brain, daily-logging, flashcard and spaced-repetition systems to help to accelerate my learning under the circumstance that I can’t get fully complete information from different stake holders. I was left with only way to find it out by myself. I read all material I thought will be useful and noted them down in my logseq vault.

I am passionate about technological details and how things work under the hood. Recently I didn’t get confirmative answers from AWS. I spent a half day to re-read the famous paper. and the new one Amazon DynamoDB: A Scalable, Predictably Performant, and Fully Managed NoSQL Database Service. I think the following several concepts can be helpful to under its predictable performance. Consistent Hashing and zero hop DHT storage node and 10G partition Typical flow of putItem I also put all of the three pictures into a slides and put refereneres at the last slides.

I used mindmap in my logseq, however it show left to right side, the start node is always at the left side. I prefer to have the main concept shown in the center. Jsmind is the perfect fit after I saw its demos. Here is I create a shortcode in my hugo and try to create a demo mindmap using jsmind. "\n{\n \"meta\":{\n \"name\":\"jsMind remote\",\n \"author\":\"hizzgdev@163.com\",\n \"version\":\"0.2\"\n },\n \"