pgcat/pgcat.toml

#
# PgCat config example.
#

#
# General pooler settings
[general]

# What IP to run on, 0.0.0.0 means accessible from everywhere.
host = "0.0.0.0"

# Port to run on, same as PgBouncer used in this example.
port = 6432

# How many connections to allocate per server.
pool_size = 15

# Pool mode (see PgBouncer docs for more).
# session: one server connection per connected client
# transaction: one server connection per client transaction
pool_mode = "transaction"

# How long to wait before aborting a server connection (ms).
connect_timeout = 5000

# How much time to give `SELECT 1` health check query to return with a result (ms).
healthcheck_timeout = 1000

# For how long to ban a server if it fails a health check (seconds).
ban_time = 60 # Seconds

#
# User to use for authentication against the server.
[user]
name = "sharding_user"
password = "sharding_user"


#
# Shards in the cluster
[shards]

# Shard 0
[shards.0]

# [ host, port, role ]
servers = [
    [ "127.0.0.1", 5432, "primary" ],
    [ "localhost", 5432, "replica" ],
]
# Database name (e.g. "postgres")
database = "shard0"

[shards.1]
# [ host, port, role ]
servers = [
    [ "127.0.0.1", 5432, "primary" ],
    [ "localhost", 5432, "replica" ],
]
database = "shard1"

[shards.2]
# [ host, port, role ]
servers = [
    [ "127.0.0.1", 5432, "primary" ],
    [ "localhost", 5432, "replica" ],
]
database = "shard2"