protocol to support heterogeneous languages. 1 Apache ShardingSphere document 1.2 Product Features F ea tu re Definition Da ta Sh ar di ng Data sharding is an effective way to deal with massive data ${proxy_port} ${proxy_conf_directory} • Force start sh %SHARDINGSPHERE_PROXY_HOME%/bin/start.sh -f Use the -f parameter to force start the Proxy. This parameter will ignore the abnormal data source during • D e f a u l t * • D y n a m i c U p d a t e * s ystem ‐log‐ level (?) S t r i n g System log output level, supports DEBUG, INFO, WARN and ER‐ ROR, the default level is INFO. I N F O T r u

protocol to support heterogeneous languages. 1 Apache ShardingSphere document 1.2 Product Features F ea tu re Definition Da ta Sh ar di ng Data sharding is an effective way to deal with massive data ${proxy_port} ${proxy_conf_directory} • Force start sh %SHARDINGSPHERE_PROXY_HOME%/bin/start.sh -f Use the -f parameter to force start the Proxy. This parameter will ignore the abnormal data source during Description • D e f a u l t * • D y n a m i c U p d a t e * s ystem ‐log‐ level (?) S t r i n g System log output level, supports DEBUG, INFO, WARN and ER‐ ROR, the default level is INFO. f a l s e T

o v e r w r i t e boolean Whether overwrite persistent config‐ uration with local configuration f al se 4.1. ShardingSphere-JDBC 83 Apache ShardingSphere document, v5.2.0 Standalone Persist Configuration Apache ShardingSphere document, v5.2.0 Parameters Name • D a t a T y p e * Description • D e f a u l t * • D y n a m i c U p d a t e * sql‐show (?) b o o l e a n Whether to print SQL in logs Topic Sharding- Sphere-SQL， and log level is INFO。 f a l s e T r u e sql‐simple (?) b o o l e a n Whether to print simple SQL in logs. f a l s e T r u e kernel‐exe cutor‐ size (?) i n t Set

ShardingSphere-JDBC 73 Apache ShardingSphere document, v5.1.2 • N a m e * Data Type Description • D e f a u l t V a l u e * t y p e S tring Type of mode configu‐ rationValues could be: Memory, Standalone v e r w r i t e bo olean Whether overwrite persistent config‐ uration with local configuration f a l s e Standalone Persist Configuration Class name: org.apache.shardingsphere.mode.repository.standalone ShardingSphere document, v5.1.2 Configuration Item Explanation N ame • D a t a T y p e * Description • D e f a u l t V a l u e * sql‐ show (?) b o o l e a n Whether show SQL or not in log. Print SQL details

zipkin、jaeger zipkin otel .traces.sampler Open‐ telemetry sample rate type alway s_on、always_of f、traceidratio always_on otel.tra ces.sampler.arg Open‐ telemetry sam‐ ple rate parameter tr aceidratio：0 ShardingSphere-JDBC 70 Apache ShardingSphere document, v5.1.1 • N a m e * Data Type Description • D e f a u l t V a l u e * t y p e S tring Type of mode configu‐ rationValues could be: Memory, Standalone v e r w r i t e bo olean Whether overwrite persistent config‐ uration with local configuration f a l s e Standalone Persist Configuration Class name: org.apache.shardingsphere.mode.repository.standalone

${proxy_port} ${proxy_conf_directory} • Force start sh %SHARDINGSPHERE_PROXY_HOME%/bin/start.sh -f Use the -f parameter to force start the Proxy. This parameter will ignore the abnormal data source during Apache ShardingSphere document, v5.2.1 Parameters N ame • D a t a T y p e * Description • D e f a u l t * • D y n a m i c U p d a t e * sql‐ show (?) b o o l e a n Whether to print SQL in logs Topic Sharding- Sphere-SQL， and log level is INFO。 f a l s e T r u e sq l‐si mple (?) b o o l e a n Whether to print simple SQL in logs. f a l s e T r u e kern el‐e xecu tor‐ size (?) i n t Set

ShardingSphere-JDBC 155 Apache ShardingSphere document, v5.0.0 Name • D a t a T y p e * Description • D e f a u l t V a l u e * date time‐p attern S t r i n g Timestamp pattern of sharding value, must can ShardingSphere document, v5.0.0 Configuration Item Explanation N ame • D a t a T y p e * Description • D e f a u l t V a l u e * sql‐ show (?) b o o l e a n Whether show SQL or not in log. Print SQL details into log topic Shard- ingSphere-SQL, log level is INFO. f a l s e sq l‐si mple (?) b o o l e a n Whether show SQL de‐ tails in simple style. f a l s e kern el‐e xecu tor‐ size (?) i n t The max thread

ephemeral node will be deleted when the mas‐ ter node sharding is over or the master node crashes f ai lo ve r: ra w‐ la te x: it em s :r aw ‐l at ex :ˋ s ha rd ˋ it em N O Once a job crashes, it strategies can be used. Error handler strat- egy name Description • B u i l t - i n * • D e f a u l t * E xtra con fig Log Strategy Log error and do not interrupt job Y e s Y e s Throw Strategy strategies can be used. Error handler strat- egy name Description • B u i l t - i n * • D e f a u l t * E xtra con fig Log Strategy Log error and do not interrupt job Y e s Y e s Throw Strategy

cp -f prepared_conf/mysql-connector-java-5.1.47.jar apache-shardingsphere-*- shardingsphere-proxy-bin/lib cp -f prepared_conf/start.sh apache-shardingsphere-*-shardingsphere-proxy-bin/bin cp -f pre ShardingSphere-JDBC 252 Apache ShardingSphere document, v5.0.0-beta Name • D a t a T y p e * Description • D e f a u l t V a l u e * date time‐p attern S t r i n g Timestamp pattern of sharding value, must can document, v5.0.0-beta Configuration Item Explanation N ame • D a t a T y p e * Description • D e f a u l t V a l u e * sql‐ show (?) b o o l e a n Whether show SQL or not in log. Print SQL details

rsistence.enabled 标识 ZooKeeper 是否使用持久卷申领 (Persis‐ tentVolumeClaim) 用 来 申 请 持 久 卷 （Persis‐ tentVolume） f alse governanc e.zookeeper. persist ence. storageClass 持久卷（PersistentVolume）的存储类 (Storage‐ Class) -+---------+----------------------+--------+-- -------------------+-----------+ | j015d4ee1b8a5e7f95df19babb2794395e8 | t_order | 1 | true | 2022-08-22 16:37:01 | NULL | +------------------------- --------+-- -------------------+-----------+ 5. 查看数据迁移详情。 SHOW MIGRATION STATUS 'j015d4ee1b8a5e7f95df19babb2794395e8'; +------+-------------+--------------------------+--------+-------------------------