Sivaraj Shanmugam mrsivas

## postgres_config.md

      
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                mrsivas
                / postgres_config.md
            
            
              Created
              September 3, 2022 06:21
                — forked from rgreenjr/postgres_config.md
            
              
                PostgreSQL Configuration Optimization
              
          
    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.


## Git Cheat Sheet.md

      
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                mrsivas
                / Git Cheat Sheet.md
            
            
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              September 3, 2022 06:26
                — forked from rgreenjr/Git Cheat Sheet.md
            
              
                Git Cheat Sheet
              
          
    Git Cheat Sheet

Common Commands

# stage all modified files being tracked
git add -u


## postgres_queries_and_commands.sql
-- 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%'
	-- 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%'