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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/10/29 03:57:11 UTC

[GitHub] [shardingsphere] git-chenhao opened a new issue #13347: The connection to the original library will be created synchronously during stress testing

git-chenhao opened a new issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347


   ShardingSphere-Proxy  5.0.0-alpha
   
   ### Expected behavior
   The connection to the original library will not be created during stress testing
   
   ### Actual behavior
   The connection to the original library will be created synchronously during stress testing
   
   
   Confirm that all traffic is routed to the shadow database during the stress test. The original database traffic is very low, but the number of connections is very high. When the stress test is not performed, the number of connections to the original database is normal.
   
   


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[GitHub] [shardingsphere] TeslaCN commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954427291


   Hi @git-chenhao 
   Could you show us your configurations?


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[GitHub] [shardingsphere] git-chenhao commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
git-chenhao commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954493316


   @TeslaCN 


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[GitHub] [shardingsphere] TeslaCN commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-1074882034


   Close due to no response.


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[GitHub] [shardingsphere] soulasuna commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
soulasuna commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954433264


   HI @git-chenhao Could you show us your configurations?
   By the way, the shadow function has been refactored, please refer to #11661 for details.
   The ease of use and performance of the new shadow function have been greatly improved. It will be officially released in 5.0.0 GA.


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[GitHub] [shardingsphere] TeslaCN commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-957268338


   Hi @git-chenhao 
   I think this issue is related to your testing program. Such as MySQL JDBC Driver, after the client connected to server, the client will send some SQL statements like the following. If the SQL was routed to production data source, the connection will be established.
   Please confirm if your testing program will disconnect and connect to Proxy periodically during stress testing.
   ```
   [INFO ] 2021-11-02 17:23:32.725 [ShardingSphere-Command-0] ShardingSphere-SQL - Logic SQL: /* mysql-connector-java-8.0.25 (Revision: 08be9e9b4cba6aa115f9b27b215887af40b159e0) */SELECT  @@session.auto_increment_increment AS auto_increment_increment, @@character_set_client AS character_set_client, @@character_set_connection AS character_set_connection, @@character_set_results AS character_set_results, @@character_set_server AS character_set_server, @@collation_server AS collation_server, @@collation_connection AS collation_connection, @@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout, @@license AS license, @@lower_case_table_names AS lower_case_table_names, @@max_allowed_packet AS max_allowed_packet, @@net_write_timeout AS net_write_timeout, @@performance_schema AS performance_schema, @@sql_mode AS sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone, @@transaction_isolation AS transaction_isolation, @@wait_timeout AS wait_timeout
   [INFO ] 2021-11-02 17:23:32.728 [ShardingSphere-Command-0] ShardingSphere-SQL - SQLStatement: MySQLSelectStatement(limit=Optional.empty, lock=Optional.empty, window=Optional.empty)
   [INFO ] 2021-11-02 17:23:32.728 [ShardingSphere-Command-0] ShardingSphere-SQL - Actual SQL: ds ::: /* mysql-connector-java-8.0.25 (Revision: 08be9e9b4cba6aa115f9b27b215887af40b159e0) */SELECT  @@session.auto_increment_increment AS auto_increment_increment, @@character_set_client AS character_set_client, @@character_set_connection AS character_set_connection, @@character_set_results AS character_set_results, @@character_set_server AS character_set_server, @@collation_server AS collation_server, @@collation_connection AS collation_connection, @@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout, @@license AS license, @@lower_case_table_names AS lower_case_table_names, @@max_allowed_packet AS max_allowed_packet, @@net_write_timeout AS net_write_timeout, @@performance_schema AS performance_schema, @@sql_mode AS sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone, @@transaction_isolation AS transaction_isolation, @@wait_timeout AS wait_tim
 eout
   [INFO ] 2021-11-02 17:23:32.846 [ShardingSphere-Command-0] ShardingSphere-SQL - Logic SQL: SET NAMES utf8mb4
   [INFO ] 2021-11-02 17:23:32.847 [ShardingSphere-Command-0] ShardingSphere-SQL - SQLStatement: MySQLSetStatement()
   [INFO ] 2021-11-02 17:23:32.847 [ShardingSphere-Command-0] ShardingSphere-SQL - Actual SQL: ds ::: SET NAMES utf8mb4
   
   ```


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[GitHub] [shardingsphere] soulasuna commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
soulasuna commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954455850


   @git-chenhao It is best to provide full configuration.


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[GitHub] [shardingsphere] git-chenhao commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
git-chenhao commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-955626914


   @TeslaCN @soulasuna Good morning, is there any progress on this question?


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[GitHub] [shardingsphere] git-chenhao commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
git-chenhao commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-960394623


   @TeslaCN These SQL statements will only be executed when they are started for the first time, and will not be executed all the time, because we have statistics on the number of executions of the physical library. During the stress test, the flow of the original library is very low, and there is no situation where these SQLs have been executed all the time.


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[GitHub] [shardingsphere] TeslaCN commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-974207983


   @git-chenhao 
   Does your stress testing program connect to ShardingSphere Proxy directly? If so, could you show us some codes?
   If the ShardingSphere Proxy was connected by Application with DataSource, you may check the configuration of the DataSource.


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[GitHub] [shardingsphere] TeslaCN closed issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
TeslaCN closed issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347


   


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[GitHub] [shardingsphere] git-chenhao commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
git-chenhao commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954465860


   @soulasuna We have developed a lot of functions on the 5.0.0-alpha version, and the upgrade cost is very high. We will consider a one-time merge later. You can first help investigate the cause of this problem. Let’s solve it quickly.


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[GitHub] [shardingsphere] git-chenhao commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
git-chenhao commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954453530


   @TeslaCN @soulasuna shadow configurations? or all configuration？


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[GitHub] [shardingsphere] TeslaCN commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-957268338


   Hi @git-chenhao 
   I think this issue is related to your testing program. Such as MySQL JDBC Driver, after the client connected to server, the client will send some SQL statements like the following. If the SQL was routed to production data source, the connection will be established.
   Please confirm if your testing program will disconnect and connect to Proxy periodically during stress testing.
   ```
   [INFO ] 2021-11-02 17:23:32.725 [ShardingSphere-Command-0] ShardingSphere-SQL - Logic SQL: /* mysql-connector-java-8.0.25 (Revision: 08be9e9b4cba6aa115f9b27b215887af40b159e0) */SELECT  @@session.auto_increment_increment AS auto_increment_increment, @@character_set_client AS character_set_client, @@character_set_connection AS character_set_connection, @@character_set_results AS character_set_results, @@character_set_server AS character_set_server, @@collation_server AS collation_server, @@collation_connection AS collation_connection, @@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout, @@license AS license, @@lower_case_table_names AS lower_case_table_names, @@max_allowed_packet AS max_allowed_packet, @@net_write_timeout AS net_write_timeout, @@performance_schema AS performance_schema, @@sql_mode AS sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone, @@transaction_isolation AS transaction_isolation, @@wait_timeout AS wait_timeout
   [INFO ] 2021-11-02 17:23:32.728 [ShardingSphere-Command-0] ShardingSphere-SQL - SQLStatement: MySQLSelectStatement(limit=Optional.empty, lock=Optional.empty, window=Optional.empty)
   [INFO ] 2021-11-02 17:23:32.728 [ShardingSphere-Command-0] ShardingSphere-SQL - Actual SQL: ds ::: /* mysql-connector-java-8.0.25 (Revision: 08be9e9b4cba6aa115f9b27b215887af40b159e0) */SELECT  @@session.auto_increment_increment AS auto_increment_increment, @@character_set_client AS character_set_client, @@character_set_connection AS character_set_connection, @@character_set_results AS character_set_results, @@character_set_server AS character_set_server, @@collation_server AS collation_server, @@collation_connection AS collation_connection, @@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout, @@license AS license, @@lower_case_table_names AS lower_case_table_names, @@max_allowed_packet AS max_allowed_packet, @@net_write_timeout AS net_write_timeout, @@performance_schema AS performance_schema, @@sql_mode AS sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone, @@transaction_isolation AS transaction_isolation, @@wait_timeout AS wait_tim
 eout
   [INFO ] 2021-11-02 17:23:32.846 [ShardingSphere-Command-0] ShardingSphere-SQL - Logic SQL: SET NAMES utf8mb4
   [INFO ] 2021-11-02 17:23:32.847 [ShardingSphere-Command-0] ShardingSphere-SQL - SQLStatement: MySQLSetStatement()
   [INFO ] 2021-11-02 17:23:32.847 [ShardingSphere-Command-0] ShardingSphere-SQL - Actual SQL: ds ::: SET NAMES utf8mb4
   
   ```


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[GitHub] [shardingsphere] git-chenhao edited a comment on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
git-chenhao edited a comment on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954466468


   > @git-chenhao What's your DataSource configuration?
   
   dataSources:
     origin_database:
       dataSourceClassName: com.zaxxer.hikari.HikariDataSource
       props:
         password: xxx
         dbName: origin_database
         jdbcUrl: jdbc:mysql://domain:3306/origin_database?useUnicode=true&zeroDateTimeBehavior=convertToNull&characterEncoding=UTF-8
         username: aaa
     shadow_database:
       dataSourceClassName: com.zaxxer.hikari.HikariDataSource
       props:
         password: xxx
         dbName: shadow_database
         jdbcUrl: jdbc:mysql://domain:3306/shadow_database?useUnicode=true&zeroDateTimeBehavior=convertToNull&characterEncoding=UTF-8
         username: aaa
   ``


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[GitHub] [shardingsphere] git-chenhao commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
git-chenhao commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954466468


   > @git-chenhao What's your DataSource configuration?
   
   dataSources:
     origin_database:
       dataSourceClassName: com.zaxxer.hikari.HikariDataSource
       props:
         password: xxx
         dbName: origin_database
         jdbcUrl: jdbc:mysql://domain:3306/origin_database?useUnicode=true&zeroDateTimeBehavior=convertToNull&characterEncoding=UTF-8
         username: aaa
     shadow_database:
       dataSourceClassName: com.zaxxer.hikari.HikariDataSource
       props:
         password: xxx
         dbName: shadow_database
         jdbcUrl: jdbc:mysql://domain:3306/shadow_database?useUnicode=true&zeroDateTimeBehavior=convertToNull&characterEncoding=UTF-8
         username: aaa
   


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[GitHub] [shardingsphere] soulasuna commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
soulasuna commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954462155


   @git-chenhao Thanks. We will test it. 
   The Shadow API you used will replace to the new API in the 5.0.0 GA.


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[GitHub] [shardingsphere] git-chenhao commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
git-chenhao commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954458452


   shardingAlgorithms:
     table-user_xxx:
       props:
         algorithm-expression: user_xxx_$->{xx_no % 100}
       type: INLINE
   tables:
     user_xxx:
       actualDataNodes: origin_database.user_xxx_$->{0..99}
       logicTable: user_xxx
       tableStrategy:
         standard:
           shardingAlgorithmName: table-user_xxx
           shardingColumn: instance_no
    
   shadowDataSourceNames:
   - shadow_database
   sourceDataSourceNames:
   - origin_database
   
   @soulasuna 


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[GitHub] [shardingsphere] TeslaCN commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954465269


   @git-chenhao 
   What's your DataSource configuration?


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[GitHub] [shardingsphere] TeslaCN commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-957268338


   Hi @git-chenhao 
   I think this issue is related to your testing program. Such as MySQL JDBC Driver, after the client connected to server, the client will send some SQL statements like the following. If the SQL was routed to production data source, the connection will be established.
   Please confirm if your testing program will disconnect and connect to Proxy periodically during stress testing.
   ```
   [INFO ] 2021-11-02 17:23:32.725 [ShardingSphere-Command-0] ShardingSphere-SQL - Logic SQL: /* mysql-connector-java-8.0.25 (Revision: 08be9e9b4cba6aa115f9b27b215887af40b159e0) */SELECT  @@session.auto_increment_increment AS auto_increment_increment, @@character_set_client AS character_set_client, @@character_set_connection AS character_set_connection, @@character_set_results AS character_set_results, @@character_set_server AS character_set_server, @@collation_server AS collation_server, @@collation_connection AS collation_connection, @@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout, @@license AS license, @@lower_case_table_names AS lower_case_table_names, @@max_allowed_packet AS max_allowed_packet, @@net_write_timeout AS net_write_timeout, @@performance_schema AS performance_schema, @@sql_mode AS sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone, @@transaction_isolation AS transaction_isolation, @@wait_timeout AS wait_timeout
   [INFO ] 2021-11-02 17:23:32.728 [ShardingSphere-Command-0] ShardingSphere-SQL - SQLStatement: MySQLSelectStatement(limit=Optional.empty, lock=Optional.empty, window=Optional.empty)
   [INFO ] 2021-11-02 17:23:32.728 [ShardingSphere-Command-0] ShardingSphere-SQL - Actual SQL: ds ::: /* mysql-connector-java-8.0.25 (Revision: 08be9e9b4cba6aa115f9b27b215887af40b159e0) */SELECT  @@session.auto_increment_increment AS auto_increment_increment, @@character_set_client AS character_set_client, @@character_set_connection AS character_set_connection, @@character_set_results AS character_set_results, @@character_set_server AS character_set_server, @@collation_server AS collation_server, @@collation_connection AS collation_connection, @@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout, @@license AS license, @@lower_case_table_names AS lower_case_table_names, @@max_allowed_packet AS max_allowed_packet, @@net_write_timeout AS net_write_timeout, @@performance_schema AS performance_schema, @@sql_mode AS sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone, @@transaction_isolation AS transaction_isolation, @@wait_timeout AS wait_tim
 eout
   [INFO ] 2021-11-02 17:23:32.846 [ShardingSphere-Command-0] ShardingSphere-SQL - Logic SQL: SET NAMES utf8mb4
   [INFO ] 2021-11-02 17:23:32.847 [ShardingSphere-Command-0] ShardingSphere-SQL - SQLStatement: MySQLSetStatement()
   [INFO ] 2021-11-02 17:23:32.847 [ShardingSphere-Command-0] ShardingSphere-SQL - Actual SQL: ds ::: SET NAMES utf8mb4
   
   ```


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[GitHub] [shardingsphere] strongduanmu commented on issue #13347: The connection to the original library will be created synchronously during stress testing

Posted by GitBox <gi...@apache.org>.
strongduanmu commented on issue #13347:
URL: https://github.com/apache/shardingsphere/issues/13347#issuecomment-954424245


   @TeslaCN Can you help check this issue?


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