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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/07/18 02:04:35 UTC
[GitHub] [shardingsphere] peilinqian opened a new issue, #19304: The transaction routing policy is configured as proxy, the label is configured with multiple proxies, and multiple transactions are executed, all executed on one proxy, without load balancing
peilinqian opened a new issue, #19304:
URL: https://github.com/apache/shardingsphere/issues/19304
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### Which version of ShardingSphere did you use?
we find java version: java8, full_version=1.8.0_282
ShardingSphere-5.1.3-SNAPSHOT
Commit ID: 7c67365b394d2e3ac562329b550c135c31ea764d
Commit Message: Avoid overhead of invoking method in Optional.orElse (#18921)
Branch: 7c67365b394d2e3ac562329b550c135c31ea764d
Build time: 2022-07-08T19:24:17+0800
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-JDBC
### Expected behavior
The transaction routing policy is configured as proxy, the label is configured with multiple proxies, and multiple transactions are executed, all executed on different proxies, with load balancing
### Actual behavior
The transaction routing policy is configured as proxy, the label is configured with multiple proxies, and multiple transactions are executed, all executed on one proxy, without load balancing
### Reason analyze (If you can)
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
1、proxy label configuration
ss-proxy1 label：sharding1
ss-proxy2 label：sharding2
2、Configure transaction routing rules as proxy
drop traffic rule transaction_traffic;
create traffic rule transaction_traffic(labels(sharding1,sharding2),
traffic_algorithm(type(name=Proxy)),
load_balancer(type(name=ROUND_ROBIN)));
show traffic rules;
3、execute ss-jdbc
@Test
public void testTraffic_15_01() throws SQLException {
String sql1 = "INSERT INTO t_order(user_id, content, creation_date) VALUES(11, 'test11', current_date);";
String sql2 = "update t_order SET content='test11' where user_id=11;";
String sql3 = "delete from t_order where user_id=11;";
setAutoCommit(false);
for (int i = 0; i < 50; i++) {
getStatement().executeUpdate(sql1);
getStatement().executeUpdate(sql2);
getStatement().executeUpdate(sql3);
}
commit();
}
### Example codes for reproduce this issue (such as a github link).
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[GitHub] [shardingsphere] strongduanmu commented on issue #19304: The transaction routing policy is configured as proxy, the label is configured with multiple proxies, and multiple transactions are executed, all executed on one proxy, without load balancing
Posted by GitBox <gi...@apache.org>.
strongduanmu commented on issue #19304:
URL: https://github.com/apache/shardingsphere/issues/19304#issuecomment-1186764256
I tested the following code and it load balances correctly.
```java
String sql1 = "INSERT INTO t_order(user_id, content, creation_date) VALUES(11, 'test11', current_date);";
String sql2 = "update t_order SET content='test11' where user_id=11;";
String sql3 = "delete from t_order where user_id=11;";
Statement statement = getStatement();
setAutoCommit(false);
for (int i = 0; i < 50; i++) {
statement.executeUpdate(sql1);
statement.executeUpdate(sql2);
statement.executeUpdate(sql3);
}
commit();
sql1 ="INSERT INTO t_order(user_id, content, creation_date) VALUES(22, 'test22', current_date);";
sql2 = "update t_order SET content='test22' where user_id=22;";
sql3 = "delete from t_order where user_id=22;";
setAutoCommit(false);
for (int i = 0; i < 50; i++) {
statement.executeUpdate(sql1);
statement.executeUpdate(sql2);
statement.executeUpdate(sql3);
}
commit();
```
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[GitHub] [shardingsphere] strongduanmu commented on issue #19304: The transaction routing policy is configured as proxy, the label is configured with multiple proxies, and multiple transactions are executed, all executed on one proxy, without load balancing
Posted by GitBox <gi...@apache.org>.
strongduanmu commented on issue #19304:
URL: https://github.com/apache/shardingsphere/issues/19304#issuecomment-1186692164
@peilinqian Thank you for your feedback, I will investigate this issue.
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[GitHub] [shardingsphere] strongduanmu closed issue #19304: The transaction routing policy is configured as proxy, the label is configured with multiple proxies, and multiple transactions are executed, all executed on one proxy, without load balancing
Posted by GitBox <gi...@apache.org>.
strongduanmu closed issue #19304: The transaction routing policy is configured as proxy, the label is configured with multiple proxies, and multiple transactions are executed, all executed on one proxy, without load balancing
URL: https://github.com/apache/shardingsphere/issues/19304
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[GitHub] [shardingsphere] strongduanmu commented on issue #19304: The transaction routing policy is configured as proxy, the label is configured with multiple proxies, and multiple transactions are executed, all executed on one proxy, without load balancing
Posted by GitBox <gi...@apache.org>.
strongduanmu commented on issue #19304:
URL: https://github.com/apache/shardingsphere/issues/19304#issuecomment-1186765087
Currently, ShardingSphere only supports load balancing for multiple SQL executions in the same Statement. Different Statements maintain different load balancing counters.
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