Liduan Worklog

Write down what's on your mind

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Container runtime and alternatives

24 Mar 2022

Runtime

Distribute Your Program via Homebrew

18 Mar 2022

Tutorial

Best database for a chat application

15 Sep 2021
  • PostgreSQL/CockroachDB? 1
  • MongoDB
  • Cassandra (Discord, Instagram Direct, Netflix, Spotify, old Facebook Messenger, old Twitter) 2
  • HBase (Facebook Messenger)
  • MySQL Vitess (slack) 3

  1. Best database for a chat application ↩

  2. How Discord Stores Billions of Messages ↩

  3. Scaling Datastores at Slack with Vitess ↩

Delete local Time Machine snapshots

14 Sep 2021

```bash

How to Create a Bootable Win 10 USB

28 Aug 2021

From Windows

PXE netboot resources

26 Aug 2021

PXE netboot linux live

MacOS time machine diagnostics

18 Aug 2021

Time Machine failing: “an error occurred while copying files” 1

  1. Link ↩

Delete files in a date condition

11 Aug 2021

Delete files before 1st of previous month.

Between data lake and data warehouse in enterprise use case

11 Aug 2021
  Data Warehouse Data Lake
Data type Only structured data AUnstructured or raw
Schema On-Wirte On-Read
User Business user Data professionals
Data Processing Extract, Transform, Load Extract, Load, Transform
Application Business Report/Record AI/ML, Data science
Accessibility More complicated and costly to make changes Highly accessible and quick to update
Storage Only required data is kept Can keep any data
Cost High Low

Laravel development with xdebug 3

06 Aug 2021

Development env background