[GitHub] [incubator-shardingsphere] wujiangyong commented on issue #3681: tomcat start slowly with default datasource setting

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wujiangyong commented on issue #3681:  tomcat start slowly with default datasource setting
URL: https://github.com/apache/incubator-shardingsphere/issues/3681#issuecomment-605823201
 
 
   I've been using `4.0.1` and I have the same problem, it took me 5-7 minutes to start up the app.
   
   Then I google it, one way is to skip the method, which I haven't adopted. Copy the class `TableMetaDataInitializer` into your project, and remove `loadDefaultTables` method.
   
   Then I looked into the code, I found when `findActualDefaultDataSourceName` returns `Optional.absent()`, it will not run into the actual loading. So I assume in some cases, `loadDefaultTables()` is not required, and I'v only used table sharding with sharding-jdbc, so there comes the second solution,  I configured two `<sharding:master-slave-rule>` in `<sharding:master-slave-rules>`, and actually the second one is a placeholder which I never used, and everything works fine for me, so far so good.

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