Hier a #DevoxxFR , une super session à propos du challenge de releaser sans interruption de service malgré les changements appliqués à nos bases de données relationnelles. Un thread ⬇️
Comment supprimer une colonne, éviter que vos ORMs ne foutent la grouille, éviter les ennuis avec des enums qu’on enrichit… #devoxxFR
Quelques tips & resumé. #devoxxFR
Et si on parlait de l’impact en terme de locks entre les modifications de schemas et les statements SQL qui continuent de passer en prod pendant nos releases #devoxxFR
Locks, migrations de schema de base de données et releases (suite) #DevoxxFR
Gaffe à ne pas inclure dans les mêmes transactions un ensemble d’operations de migrations lentes car celles ci vont bloquer certaines opérations qui s’exécutent normalement sur votre prod et vous générer attentes et timeout pour vos end users #DevoxxFR
Encore des supers recommandations : ajouter une colonne, créer un index etc sans interruption de service. #devoxxFR
Des tips, encore des tips… De l’or ce retour d’exp de 5 ans de pratiques, vraiment… 🤩 #devoxxFR
En conclusion… #DevoxxFR

Franchement, un super talk (à voir quand les videos seront publiées)
Pro tip : « Vaut mieux casser la migration que casser l’application » (Nelson Dionisi) #DevoxxFR

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More from @tpierrain

Apr 21
@JulienTopcu commence son show sur OAuth2 expliqué simplement. #devoxxFR
Code unique qui ne change pas ? Des anciens convives arrivent à squatter des chambres. Petits problème de révocation. #DevoxxFR
Petit lexique pour la suite. @JulienTopcu #DevoxxFR
Read 15 tweets
Apr 21
La chance d’avoir pu faire 6 editions de #DevoxxFR sur 10. Un thread ⬇️
2014: mon premier Devoxx avé la moquette 70 (et officiellement ma premiere conf tech en tant que speaker). Avec l’ami Cyrille @_dupdob , on a parlé de programmation reactive, multithreading et de système faible latence.
@morlhon comme gilet rouge dans la salle qui nous chambre comme il faut avant pour nous détendre, supers retours ensuite et gros blast pour nous 2.

(Et 1er talk fait en suivant la méthode Nancy Duarte)
Read 15 tweets
Apr 20
@MarcyChama commence dans l’amphi bleu. #DevoxxFR 🤘🤘🏻🤘🏼🤘🏽🤘🏾🤘🏿 ImageImageImageImage
Bourdieu in da house #devoxxFR grâce à @MarcyChama

On a tous des polos ici 😂 ImageImageImageImage
Brutal fact #devoxxFR @MarcyChama Image
Read 15 tweets
Mar 19
Interesting techniques applied to wrong usages may hurt. A thread 🔽

Seems obvious in lots of domain but not in our Software development field (note: I didn’t talk about software Engineering on purpose)

Me: Why do we have such an increase of infrastructure costs recently?
SRE: It seems that we have a new “OTF env” fad since last month… As a result, more than 70% of our global infrastructure costs are related to non-production environments...

Me: Whaaat? How does this happen? What is “OTF env” exactly?
SRE: OTF envs means “On-The-Fly environments”. It is a mechanism we have recently built in order to setup our entire stack (monolith, new apis, db, message brokers etc) on a K8 dev cluster in a couple of minutes.
Read 19 tweets
Oct 4, 2020
It’s been a while but I’m in the mood for cooking today.

Guess what it is about?
The « who’s gonna cry first? » challenge/step.
Remove the garlic germs (they aren’t good for digestion).

Once the onions have sweat, cut the garlic roughly and add them into the cooking pot.
Read 13 tweets
Sep 18, 2020
Design patterns shaped the way we did OOP design. It helped people to share a common language & understanding.

It is not a ‘must-use’ 😀
Initially it helped people to better analyse the context / strengths / limitations / responsibilities of the abstraction that we were coding in OOP.

As a young dev it helped me to be more mature regarding my work and my OO programming.
I say ‘initially’ because -as for every fad- they have been some excessive usages and (patterns) overdoses 🤦‍♂️

But if you are doing OOP sometimes. It is something worth having read & understanding.
Read 5 tweets

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