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§Configuring the JDBC pool.
The Play JDBC datasource is managed by BoneCP.
§Special URLs
Play supports special url format for both MySQL and PostgreSQL:
# To configure MySQL
db.default.url="mysql://user:password@localhost/database"
# To configure PostgreSQL
db.default.url="postgres://user:password@localhost/database"
§Reference
In addition to the classical driver
, url
, user
, password
configuration properties, it also supports additional tuning parameters if you need them:
# The JDBC driver to use
db.default.driver=org.h2.Driver
# The JDBC url
db.default.url="jdbc:h2:mem:play"
# User name
db.default.user=sa
# Password
db.default.password=secret
# Set a connection's default autocommit setting
db.default.autocommit=true
# Set a connection's default isolation level
db.default.isolation=READ_COMMITTED
# In order to reduce lock contention and thus improve performance,
# each incoming connection request picks off a connection from a
# pool that has thread-affinity.
# The higher this number, the better your performance will be for the
# case when you have plenty of short-lived threads.
# Beyond a certain threshold, maintenance of these pools will start
# to have a negative effect on performance (and only for the case
# when connections on a partition start running out).
db.default.partitionCount=2
# The number of connections to create per partition. Setting this to
# 5 with 3 partitions means you will have 15 unique connections to the
# database. Note that BoneCP will not create all these connections in
# one go but rather start off with minConnectionsPerPartition and
# gradually increase connections as required.
db.default.maxConnectionsPerPartition=5
# The number of initial connections, per partition.
db.default.minConnectionsPerPartition=5
# When the available connections are about to run out, BoneCP will
# dynamically create new ones in batches. This property controls
# how many new connections to create in one go (up to a maximum of
# maxConnectionsPerPartition). Note: This is a per-partition setting.
db.default.acquireIncrement=1
# After attempting to acquire a connection and failing, try to
# connect this number of times before giving up.
db.default.acquireRetryAttempts=10
# How long to wait before attempting to obtain a
# connection again after a failure.
db.default.acquireRetryDelay=5 seconds
# The maximum time to wait before a call
# to getConnection is timed out.
db.default.connectionTimeout=1 second
# Idle max age
db.default.idleMaxAge=10 minute
# This sets the time for a connection to remain idle before sending a test query to the DB.
# This is useful to prevent a DB from timing out connections on its end.
db.default.idleConnectionTestPeriod=5 minutes
# An initial SQL statement that is run only when
# a connection is first created.
db.default.initSQL="SELECT 1"
# If enabled, log SQL statements being executed.
db.default.logStatements=false
# The maximum connection age.
db.default.maxConnectionAge=1 hour
# The maximum query execution time. Queries slower than this will be logged as a warning.
db.default.queryExecuteTimeLimit=1 second
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