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| -rw-r--r-- | docs/postgres.rst | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/docs/postgres.rst b/docs/postgres.rst index 2377542296..f7ebbed0c3 100644 --- a/docs/postgres.rst +++ b/docs/postgres.rst @@ -49,6 +49,24 @@ As with Debian/Ubuntu, postgres support depends on the postgres python connector export PATH=/usr/pgsql-9.4/bin/:$PATH pip install psycopg2 +Tuning Postgres +=============== + +The default settings should be fine for most deployments. For larger scale +deployments tuning some of the settings is recommended, details of which can be +found at https://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server. + +In particular, we've found tuning the following values helpful for performance: + +- ``shared_buffers`` +- ``effective_cache_size`` +- ``work_mem`` +- ``maintenance_work_mem`` +- ``autovacuum_work_mem`` + +Note that the appropriate values for those fields depend on the amount of free +memory the database host has available. + Synapse config ============== @@ -129,8 +147,8 @@ Once that has completed, change the synapse config to point at the PostgreSQL database configuration file ``homeserver-postgres.yaml``:: ./synctl stop - mv homeserver.yaml homeserver-old-sqlite.yaml - mv homeserver-postgres.yaml homeserver.yaml + mv homeserver.yaml homeserver-old-sqlite.yaml + mv homeserver-postgres.yaml homeserver.yaml ./synctl start Synapse should now be running against PostgreSQL. |