mrsivas

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

mrsivas

Git Cheat Sheet

Common Commands

# stage all modified files being tracked
git add -u

mrsivas

PostgreSQL Configuration Optimization

Memory

Only four values really matter:

• shared-buffers: below 2GB: set it to 20% of full memory; below 32GB: 25% of your full memory.