lemmy/scripts/start_dev_db.sh
Dessalines 917e408735
Fix postgres connection options causing slow query speed. (#5150)
* Adding a query speed check.

* Fixing slow queries due to connection config options.

* Remove pointless set_config sql function.

* Removing pointless bool.

* Removing comment

* Removing test.sh changes.

* Add analyze to speed up query

* Trying to fix DB perf connection try #1

* Try encoding option

* Fix woodpecker

* Try to use path character.

* Fixing lemmy config location.

* Removing pointless connection options.

* Use OnceLock to create a once-init psql connection.

* Fixing comment.

* Fix host encoding for dev DB.

* Address PR comments.

* Revert query mut change.
2024-11-06 10:58:40 -05:00

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# This script is meant to be run with `source` so it can set environment variables.
export PGDATA="$PWD/dev_pgdata"
export PGHOST=$PWD
# Necessary to encode the dev db path into proper URL params
export ENCODED_HOST=$(printf $PWD | jq -sRr @uri)
export PGUSER=postgres
export DATABASE_URL="postgresql://lemmy:password@$ENCODED_HOST/lemmy"
export LEMMY_DATABASE_URL=$DATABASE_URL
export PGDATABASE=lemmy
# If cluster exists, stop the server and delete the cluster
if [[ -d $PGDATA ]]
then
# Only stop server if it is running
pg_status_exit_code=0
(pg_ctl status > /dev/null) || pg_status_exit_code=$?
if [[ ${pg_status_exit_code} -ne 3 ]]
then
pg_ctl stop --silent
fi
rm -rf $PGDATA
fi
config_args=(
# Only listen to socket in current directory
-c listen_addresses=
-c unix_socket_directories=$PWD
# Write logs to a file in $PGDATA/log
-c logging_collector=on
# Allow auto_explain to be turned on
-c session_preload_libraries=auto_explain
# Include actual row amounts and run times for query plan nodes
-c auto_explain.log_analyze=on
# Don't log parameter values
-c auto_explain.log_parameter_max_length=0
)
# Create cluster
pg_ctl init --silent --options="--username=postgres --auth=trust --no-instructions"
# Start server
pg_ctl start --silent --options="${config_args[*]}"
# Setup database
PGDATABASE=postgres psql --quiet -c "CREATE USER lemmy WITH PASSWORD 'password' SUPERUSER;"
PGDATABASE=postgres psql --quiet -c "CREATE DATABASE lemmy WITH OWNER lemmy;"