list， including IP and port number, use commas to separate, such as: host1:2181,host2:2181 pr ops Pr op er ti es Properties for center instance config, such as options of zookeeper ZooKeeper Properties ------------------------+------------------- -----+--------------------+---------------------+ | pr_ds | ms_group_0 | NULL | | random | read_weight=2:1 | +-------+-----------------------------+--- ------------------------+------------------- -----+--------------------+---------------------+ | pr_ds | ms_group_0 | write_ds | read_ds_0, read_ ds_1 | random | read_weight=2:1 | +-------+-------

maxLifetimeMilliseconds: 1800000 maxPoolSize: 200 rules: - !READWRITE_SPLITTING dataSources: pr_ds: writeDataSourceName: primary_ds readDataSourceNames: - replica_ds_0 Replica Query & Encrypt maxLifetimeMilliseconds: 1800000 maxPoolSize: 200 rules: - !SHARDING tables: tbl: actualDataNodes: pr_ds_${0..3}.tbl${0..1023} databaseStrategy: standard: shardingColumn: id shardingAlgorithmName: defaultTableStrategy: none: shardingAlgorithms: tbl_database_inline: type: INLINE props: algorithm-expression: pr_ds_${id % 4} tbl_table_inline: type: INLINE props: algorithm-expression: tbl${k % 1024} keyGenerators:

DatabaseDiscoveryHeartBeatConfiguration Attributes: • N a m e * • Da ta T yp e* Description p r o p s ( + ) Pr op er ti es Detect heartbeat attribute configuration, keep‐alive‐cron configuration, cron expres‐ Attributes： Na me Data Type Description t ype (+) S tring Database discovery type, such as: MySQL.MGR pr ops (?) Prope rties Required parameters for high‐availability types, such as MGR’s group‐ name * ?’ Name Ty pe Description id Pr ope rty Type name of database discovery type Pr ope rty Database discovery type，such as：MySQL.MGR props (?) Tag Configuration

------------------------+------------------- -----+--------------------+---------------------+ | pr_ds | ms_group_0 | NULL | | random | read_weight=2:1 | +-------+-----------------------------+--- ------------------------+------------------- -----+--------------------+---------------------+ | pr_ds | ms_group_0 | write_ds | read_ds_0, read_ ds_1 | random | read_weight=2:1 | +-------+------- ----------------------------------------------------------------------------------- ----------------+ | pr_ds | ds_0, ds_1, ds_2 | ds_0 | MGR | keepAliveCron=0/50 * * * * ?, zkServerLists=localhost:2181, groupName=b13df29e-

maxLifetimeMilliseconds: 1800000 maxPoolSize: 200 rules: - !READWRITE_SPLITTING dataSources: pr_ds: writeDataSourceName: primary_ds readDataSourceNames: - replica_ds_0 3.10. 测试引擎 114 Apache maxLifetimeMilliseconds: 1800000 maxPoolSize: 200 rules: - !SHARDING tables: tbl: actualDataNodes: pr_ds_${0..3}.tbl${0..1023} databaseStrategy: standard: shardingColumn: id shardingAlgorithmName: defaultTableStrategy: none: shardingAlgorithms: tbl_database_inline: type: INLINE props: algorithm-expression: pr_ds_${id % 4} tbl_table_inline: 3.10. 测试引擎 116 Apache ShardingSphere document, v5.0.0-beta type:

bilistic、ratel imiting、remote const JAEGE R_SAMPLER_PARAM Jaeger sam‐ ple rate parameter const:0、1, pr obabilistic:0.0 ‐ 1.0, ratelimiting: > 0, Customize the number of acquisitions per secon d，re‐ mote：need Readwrite‐splitting data source name • type String Readwrite‐splitting type, such as: Static、 Dynamic • props Pr operties Readwrite‐splitting required properties. Static: write‐data‐ source‐name、read‐ data‐source‐names D efa ult Val ue type (+) String Database discovery type, such as: MGR、 openGauss • props (?) Pr operties Required parameters for high‐availability types, such as MGR’s group‐name • Encryption

DatabaseDiscoveryHeartBeatConfiguration Attributes: • N a m e * • Da ta T yp e* Description p r o p s ( + ) Pr op er ti es Detect heartbeat attribute configuration, keep‐alive‐cron configuration, cron expres‐ Attributes： Na me Data Type Description t ype (+) S tring Database discovery type, such as: MySQL.MGR pr ops (?) Prope rties Required parameters for high‐availability types, such as MGR’s group‐ name * ?’ Name Ty pe Description id Pr ope rty Type name of database discovery type Pr ope rty Database discovery type，such as：MySQL.MGR props (?) Tag Configuration

missing for a third‐party library not related to ShardingSphere, they should open a new issue and submit PR containing the missing third‐ party library GraalVM Reachability Metadata that depends on https://github specifies the default netty back_log pa‐ rameter through configuration files. 1 0 2 4 F a l s e pr oxy‐f ronte nd‐ da tabas e‐pro to‐ col ‐type (?) S t r i n g Proxy front‐end protocol type, supports routed result (data source routed, table routed) pr oxy_state G A U G E Status information of ShardingSphere‐Proxy. 0 is OK; 1 is CIRCUIT BREAK; 2 is LOCK pr oxy_meta_ data_info G A U G E Meta data

missing for a third‐party library not related to ShardingSphere, they should open a new issue and submit PR containing the missing third‐ party library GraalVM Reachability Metadata that depends on https://github specifies the default netty back_log pa‐ rameter through configuration files. 1 0 2 4 F a l s e pr oxy‐f ronte nd‐ da tabas e‐pro to‐ col ‐type (?) S t r i n g Proxy front‐end protocol type, supports routed result (data source routed, table routed) pr oxy_state G A U G E Status information of ShardingSphere‐Proxy. 0 is OK; 1 is CIRCUIT BREAK; 2 is LOCK pr oxy_meta_ data_info G A U G E Meta data

ratelimiting, remote const JAEGE R_SAMPLER_PARAM Jaeger sample rate pa‐ rameter const:0, 1, pr obabilistic:0.0 ‐ 1.0, ratelimiting: > 0, Customize the number of acquisitions per second, re‐ mote：need Readwrite‐splitting data source name • type String Readwrite‐splitting type, such as: Static, Dynamic • props Pr operties Readwrite‐splitting required properties. Static: write‐data‐ source‐name, read‐ data‐source‐names Description Def ault Va lue type (+) String Database discov‐ ery type, such as: MySQL.MGR • props (?) Pr operties Required parameters for high‐availability types, such as MGR’s group‐name • Encryption