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Command line tool for PostgreSQL server activity monitoring.

Latest PyPI version


  • python2.6
  • psycopg22.2.1
  • psutil0.5.1

Installation from sources: setuptools0.6.14

You have to install the package psycopg2 from pgdg APT or YUM repositories. psycopg2 can also been installed from pip with pip install psycopg2 or pip install psycopg2-binary for the binary version.


sudo python install

Installation with man page

sudo python install --with-man


pg_activity works localy or remotely. In local execution context, to obtain sufficient rights to display system informations, the system user running pg_activity must be the same user running postgresql server (postgres by default), or have more rights like root. Otherwise, pg_activity can fallback to a degraded mode without displaying system informations. On the same way, PostgreSQL user used to connect to the database must be super-user. ex:

sudo -u postgres pg_activity -U postgres


pg_activity [options]

    --version             Show program's version number and exit
    -U USERNAME, --username=USERNAME
                          Database user name (default: "postgres").
    -p PORT, --port=PORT  Database server port (default: "5432").
    -h HOSTNAME, --host=HOSTNAME
                          Database server host or socket directory (default:
    -d DBNAME, --dbname=DBNAME
                          Database name to connect to (default: "postgres").
    -C, --no-color        Disable color usage.
    --blocksize=BLOCKSIZE Filesystem blocksize (default: 4096).
    --rds                 Enable support for AWS RDS.
    --output=FILEPATH     Store running queries as CSV.
    --help                Show this help message and exit.
    --debug               Enable debug mode for traceback tracking.
    --no-db-size          Skip total size of DB.
                          Queries display mode. Values: 1-TRUNCATED,
                          2-FULL(default), 3-INDENTED

Display options, you can exclude some columns by using them :
    --no-database         Disable DATABASE.
    --no-user             Disable USER.
    --no-client           Disable CLIENT.
    --no-cpu              Disable CPU%.
    --no-mem              Disable MEM%.
    --no-read             Disable READ/s.
    --no-write            Disable WRITE/s.
    --no-time             Disable TIME+.
    --no-wait             Disable W.
    --no-app-name         Disable App.


Length of SQL query text that pg_activity reports relies on PostgreSQL parameter track_activity_query_size. Default value is 1024 (expressed in bytes). If your SQL query text look truncated, you should increase track_activity_query_size.

Interactives commands

Key Action
C Activate/deactivate colors
r Sort by READ/s, descending
w Sort by WRITE/s, descending
c Sort by CPU%, descending
m Sort by MEM%, descending
t Sort by TIME+, descending
Space Pause on/off
v Change queries display mode: full, indented, truncated
UP/DOWN Scroll processes list
q Quit
+ Increase refresh time. Maximum value : 5s
- Decrease refresh time. Minimum Value : 0.5s
F1/1 Running queries list
F2/2 Waiting queries list
F3/3 Blocking queries list
h Help page
R Refresh
D Refresh Database Size (including when --no-dbzise option applied)

Navigation mode

Key Action
UP Move up the cursor
DOWN Move down the cursor
k Terminate the current backend/tagged backends
Space Tag or untag the process
q Quit
Other Back to activity


pg_activity screenshot


WARNING: Personal fork. pg_activity repository is now hosted here




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