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Background

Apache ShardingSphere provides the way of property configuration to configure system level configuration.

Parameters

Name Data Type Description Default Value
sql-show (?) boolean Whether show SQL or not in log.
Print SQL details can help developers debug easier. The log details include: logic SQL, actual SQL and SQL parse result.
Enable this property will log into log topic ShardingSphere-SQL, log level is INFO
false
sql-simple (?) boolean Whether show SQL details in simple style false
kernel-executor-size (?) int The max thread size of worker group to execute SQL. One ShardingSphereDataSource will use a independent thread pool, it does not share thread pool even different data source in same JVM infinite
max-connections-size-per-query (?) int Max opened connection size for each query 1
check-table-metadata-enabled (?) boolean Whether validate table meta data consistency when application startup or updated false

Procedure

  1. Properties configuration is directly configured in the profile used by ShardingSphere-JDBC. The format is as follows:
props:
    sql-show: true

Sample

The example of ShardingSphere warehouse contains property configurations of various scenarios. Please refer to: https://github.com/apache/shardingsphere/tree/master/examples