Create index online

Build index without blocking writes; track progress via pg_stat_progress_create_index

CREATE INDEX CONCURRENTLY idx_<name> ON <table>(col); -- monitor: SELECT * FROM pg_stat_progress_create_index;
tool
postgres29 commands
tags
postgresperformancemonitoring

More postgres commands

  • Parallel dump and restore
    pg_dump -Fc -j 4 -d <name> -f db.dump && pg_restore -j 4 -d <name> db.dump

    Custom-format parallel dump/restore; note: -j needs directory or custom format, not plain SQL

  • Benchmark with pgbench
    pgbench -c 32 -j 8 -T 60 -P 5 -d <name>; -- init once: pgbench -i -s 100 <name>

    Run 60s load test with 32 clients across 8 threads, progress every 5s

  • Connect to database
    psql -h localhost -U myuser -d mydb

    Interactive psql session to a database

  • List databases
    psql -U postgres -c '\l+'

    Show all databases with size and encoding

  • List tables in schema
    psql -U myuser -d mydb -c '\dt public.*'

    List all tables in the public schema

all 29 postgres commands