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112 lines
2.8 KiB
TOML
112 lines
2.8 KiB
TOML
#
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# PgCat config example.
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#
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#
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# General pooler settings
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[general]
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# What IP to run on, 0.0.0.0 means accessible from everywhere.
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host = "0.0.0.0"
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# Port to run on, same as PgBouncer used in this example.
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port = 6432
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# How many connections to allocate per server.
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pool_size = 15
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# Pool mode (see PgBouncer docs for more).
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# session: one server connection per connected client
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# transaction: one server connection per client transaction
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pool_mode = "transaction"
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# How long to wait before aborting a server connection (ms).
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connect_timeout = 100
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# How much time to give `SELECT 1` health check query to return with a result (ms).
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healthcheck_timeout = 100
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# For how long to ban a server if it fails a health check (seconds).
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ban_time = 60 # Seconds
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#
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autoreload = true
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tls_certificate = ".circleci/server.cert"
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tls_private_key = ".circleci/server.key"
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#
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# User to use for authentication against the server.
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[user]
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name = "sharding_user"
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password = "sharding_user"
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#
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# Shards in the cluster
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[shards]
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# Shard 0
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[shards.0]
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# [ host, port, role ]
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servers = [
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[ "127.0.0.1", 5432, "primary" ],
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[ "localhost", 5433, "replica" ],
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# [ "127.0.1.1", 5432, "replica" ],
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]
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# Database name (e.g. "postgres")
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database = "shard0"
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[shards.1]
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# [ host, port, role ]
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servers = [
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[ "127.0.0.1", 5432, "primary" ],
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[ "localhost", 5433, "replica" ],
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# [ "127.0.1.1", 5432, "replica" ],
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]
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database = "shard1"
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[shards.2]
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# [ host, port, role ]
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servers = [
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[ "127.0.0.1", 5432, "primary" ],
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[ "localhost", 5433, "replica" ],
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# [ "127.0.1.1", 5432, "replica" ],
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]
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database = "shard2"
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# Settings for our query routing layer.
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[query_router]
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# If the client doesn't specify, route traffic to
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# this role by default.
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#
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# any: round-robin between primary and replicas,
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# replica: round-robin between replicas only without touching the primary,
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# primary: all queries go to the primary unless otherwise specified.
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default_role = "any"
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# Query parser. If enabled, we'll attempt to parse
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# every incoming query to determine if it's a read or a write.
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# If it's a read query, we'll direct it to a replica. Otherwise, if it's a write,
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# we'll direct it to the primary.
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query_parser_enabled = true
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# If the query parser is enabled and this setting is enabled, the primary will be part of the pool of databases used for
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# load balancing of read queries. Otherwise, the primary will only be used for write
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# queries. The primary can always be explicitely selected with our custom protocol.
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primary_reads_enabled = true
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# So what if you wanted to implement a different hashing function,
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# or you've already built one and you want this pooler to use it?
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#
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# Current options:
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#
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# pg_bigint_hash: PARTITION BY HASH (Postgres hashing function)
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# sha1: A hashing function based on SHA1
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#
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sharding_function = "pg_bigint_hash"
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