Open in app
Sign inGet started
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

MySQL diary #1: database replication lag or how to (not) invalidate the cache

In order to scale…

Read more…
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

Cross-components data flow

Moving from monolithic architecture towards micro-services has its, well…

Read more…
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

Let your users do your backend job

Browsers are now way more powerful than they used to be a few years ago. Tasks that we used to perform on server-side can now be “outsourced” to the end-users. Saving…

Read more…
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

Things To Avoid, Episode 1: INSERT IGNORE

Working with a legacy software is a challenge, but also a…

Read more…
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

Dealing with a rotten banana

Code is not a thing carved in stone. It evolves to meet constantly changing requirements. It will eventually go away and be replaced by The Next Great Feature. But does your…

Read more…
Go to the profile of Joanna Boruń
Joanna Boruń in Legacy Systems Diary

Our story about Sustaining Engineering team

This is going to be a story about a monolith, legacy…

Read more…
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

Visualising network traffic in a legacy system

In one of our recent stories we described how cross-component dependencies can be tracked and visualised. Back then we focused on database queries. Today…

Read more…
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

Wikia’s Road To PHP7

Wikia’s MediaWiki stack is now running on PHP7. And we did realize a huge…

Read more…
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

Linting your database schema

When we think about legacy systems we tend to look from a software…

Read more…
2 responses
Go to the profile of Maciej Brencz
Maciej Brencz in Legacy Systems Diary

Turning logs into bug reports

Every second million of lines of code (from Perl maintenance scripts, API services written in Java, Node.js…

Read more…
About
Legacy Systems Diary
Legacy Systems Diary
Working with the legacy software: tools, thoughts and success stories
More information
Followers
25
Elsewhere