Ever need to restart ES instances for a critical ES cluster?
To play safe, you need to run a long procedure. And Stay Alarmed! The whole procedure would take hours.
How about we do it from Jenkins? Kind of VisualOps.
Suppose you have a critical Elasticsearch cluster. You have to know how to backup it. Correctly and quickly.
It’s not too difficult. But there are something you’d better know. And those are quite common in most DB backup.
Check it out, before it bits you.
With Docker deployment, smaller images are usually better.
But your docker images will keep changing. And you just don’t remember to check it for a while. Then someday you happen to find out some huge images in your deployment pipeline. Feel uncomfortable, don’t you? Any thoughts about how to improve it?
My answer is like always: Monitor That! And Get Slack notifications.
Enclosed is my approach. Check it out! And discuss with me, my friends.
Nowadays when people setup and configure services, probably nobody will enjoy doing it in a manual way.
Here comes a new question. How do you automate the process, and make it fast and reliable?
Wrap up some ssh scripts? Leverage CM(configuration management tools) like chef, ansible, or pupet? Use docker run? It’s great that we now have many options. But, as you may guess, not all of them are equally good.
You want a headache-free solution, right? And you also want it real quick, do you? Then You Can Not Miss docker-compose! Here are some useful tips and lessons learned using docker-compose.
How fast your web pages load on client sides, especially the portal or login pages? And how do you detect unexpected 302, 404 or 5XX responses. It would probably hurt your user experience or even the functionalities. Slow or problematic page loading are always bad.
Good, if you have examined that carefully. And most likely, with multiple unpleasant manual steps. The thing is how can you be so sure that it’s always good. Even with the endless code changes.
To automate the GUI test? You have to learn lots of GUI automation skills, and the complicated setup. Yes, I certainly believe you are capable for this, my friend. But you might not have enough time.
Good news! With container technology, things are way much easier now. Check out this short post. And have a try now!
