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Re:How Postgres Makes Transactions Atomic by jdelaney on Wednesday August 16, 2017 @01:01PM (#15029101)
I don't know if this is what the author used but I use Monodraw[0] to make diagrams like this.

[0] https://monodraw.helftone.com/

Re:How Postgres Makes Transactions Atomic by willglynn on Wednesday August 16, 2017 @01:09PM (#15029182)
I had the same question and dug around in the repo to find out. It is indeed Monodraw:

https://github.com/brandur/sorg/tree/master/content/raws/pos...

I'm excited to use this tool.

Re:How Postgres Makes Transactions Atomic by pritambaral on Thursday August 17, 2017 @05:52AM (#15035199)
I wish I could use it on Linux.