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A surprising? lesson in the speed of languages

Scenario: I had the need for a small tool that would parse logfiles of approximately 6 million lines. To each line apply two regexps to extract a few values, and using two separate dictionaries/hashmaps (choose your poison wrt terminology) calculate how many times each capture group int he regexp shows up.

All in all, this is not going to be a very performance critical run, as it will only parse about 4 times these 6 million lines per day, so even at worst case we're talking less than 100M regexp matches per day. Piece of cake for any language. And since it's a weekend and I don't have any time when I have to deliver this finished script, I set out to prove to myself that python is going to be fast enough for this.

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Conferences

I speak at and organize conferences around Open Source in general and PostgreSQL in particular.

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Past

Stockholm PUG Oct 2020
Oct 27, 2020
Stockholm/Online, Sweden
Percona Live
Oct 21, 2020
Online, Online
Warsaw User Group
Jun 29, 2020
Virtual, Virtual
Postgres Vision
Jun 23-24, 2020
Online, Virtual
PGCon 2020
May 26-29, 2020
Online, Virtual
More past conferences