prepare

1. k8s is ready
2. argocd is ready and logged in
3. ingress is ready
4. cert-manager is ready
   • the clusterissuer named self-signed-ca-issuer is ready
5. minio is ready

Wang Zhi

• email: ben.wangz@foxmail.com
• blog: https://blog.geekcity.tech

Summary

• experienced Java developer with 8+ years of expertise in designing and implementing scalable data processing platforms.
• proficient in Apache Flink, Kubernetes, and handling large volumes of data.
• proven ability to lead teams and deliver high-performance systems.
• achieved developing data processing platforms for various companies, including Alibaba Group, ZhejiangLab and tianrang-inc.

what

• record some useful commands

init global config

git config --global user.name "ben.wangz"
git config --global user.email ben.wangz@foxmail.com
git config --global pager.branch false
git config --global pull.ff only
git --no-pager diff

show gc info

jstat -gcutil $pid 1000 100

completion for bash

source<(kubectl completionbash)

port forwarding

install rosetta for apple m1 chip

/usr/sbin/softwareupdate --install-rosetta --agree-to-license

mac chrome access https with self-signed certificate

just type thisisunsafe after open the website

show transaction info

select 
    trx_id, 
    trx_started, 
    trx_wait_started, 
    trx_mysql_thread_id, 
    trx_query, 
    trx_operation_state, 
    trx_tables_locked 
from information_schema.INNODB_TRX;