Julien Francoz
Site Reliability Engineer at Les-Tilleuls.coop coopTilleuls
Nantes, Pays de la Loire, France
Summary
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RockstarJulien Francoz is a Site Reliability Engineer based in Nantes, France, with 10 years of experience building and maintaining resilient production systems. He combines hands-on SRE practices with strong database expertise—visible in his open-source PostgreSQL tuner that adds practical checks for indexes, tablespaces, and pg_stat_statements to help operators squeeze more performance out of their clusters. Comfortable across OS, networking and storage concerns, he focuses on observability and pragmatic automation to reduce toil and harden services. Julien’s work reflects a pragmatic engineer who prefers measurable improvements and has a knack for turning operational pain points into reusable tooling.
10 years of coding experience
Github Skills (9)
auto-tuning10
performance-tuning10
database-administration10
postgresql10
perl10
fine-tuning10
ssh8
docker4
dockers4
Programming languages (15)
Github contributions (5)
jfcoz/postgresqltuner
Dec 2016 - Nov 2019
Simple script to analyse your PostgreSQL database configuration, and give tuning advice
Role in this project:
Database Engineer / Database Administrator
Database Engineer / Database AdministratorContributions:5 releases, 23 commits, 68 PRs in 2 years 11 months
Contributions summary:Julien primarily contributed to improving the PostgreSQL database tuning script. Their commits focused on enhancing the script's ability to collect and analyze various database metrics, including OS memory, disk access, and index utilization. They added features to check for invalid and unused indexes, procedures with default costs, and the presence of the `pg_stat_statements` extension. Further enhancements involved support for environment variables and SSH options, along with the addition of tablespace location checks.
postgresql-databaseadvicedatabasepostgresperl
jfcoz/openshift-ansible
May 2016 - Oct 2018
OpenShift Ansible Code
Contributions:3 PRs, 101 pushes, 19 branches in 2 years 4 months
openshift-ansibleansibleopenshiftk8skubernetes
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