maxConnectionsPerPartition最小值是2,給了小於2的值會被設成50
minConnectionsPerPartition最小值是2,給了小於2的值會被設成10
minConnectionsPerPartition大於maxConnectionsPerPartition時,會被設成maxConnectionsPerPartition
acquireIncrement小於或等於0時,會被設成1
partitionCount小於1時,會被設成3
releaseHelperThreads小於0時,會被設成3
statementsCacheSize小於0時,會被設成0
acquireRetryDelay小於或等於0 時,會被設成1000