Profiling PostgreSQL database

This blog post will have some short notes about monitoring and profiling PostgreSQL databases.

1. pgtop

pgtop provides UNIX top command like user interface for PostgreSQL. pgtop command is available as Perl CPAN module.

How to install Perl CPAN modules as non-root user on Ubuntu (note: when it prompts to run sudo, answer no).

To install pgtop install following CPAN modules first: Term::ANSIColor, Term::ReadKey, DBD::Pg

perl -MCPAN -Mlocal::lib -e 'CPAN::install(DBD::Pg)'
perl -MCPAN -Mlocal::lib -e 'CPAN::install(Term::ReadKey)'
perl -MCPAN -Mlocal::lib -e 'CPAN::install(Term::ANSIColor)'

pgtop install instructions

pgtop manul

Running pgtop:

perl pgtop -d databasename -u yourdbuser -p yourdbuserpassword

2. pgfouine

pgfouine is a log analyzer for PostgreSQL.

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