System performance lead @ Postgres Professional;
ex-Netcracker;
FreeBSD committer (bugfixing);
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PostgresPro
- Moscow
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Ansible playbook for MaxPerformance
Ansible playbook for MaxPerformance 1- name: tune operating system
2hosts: all
3become: true
4vars:
5sysctl_settings:
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PostgreSQL may ignore index
PostgreSQL may ignore index 1PostgreSQL (12-16) may ignore your fresh built index due to long-running transaction in another session. It's since 2007, introduced by HOT optimization. Look at pg_index.indcheckxmin of your index.
23First session:
4```
5postgres=# begin;
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