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Posted to dev@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2019/02/19 14:48:45 UTC

[GitHub] shaojie925 opened a new issue #1888: Each logical table only needs to load one sharding table metadata instead of loading each of the sharding tables.

shaojie925 opened a new issue #1888: Each logical table only needs to load one sharding table metadata instead of loading each of the sharding tables.
URL: https://github.com/apache/incubator-shardingsphere/issues/1888
 
 
   ### Which version of Sharding-Sphere do you using?
   3.1.0
   
   ### Which project do you using? Sharding-JDBC or Sharding-Proxy?
   Sharding-JDBC
   
   ### Expected behavior
   All sharding tables' structure of a logic table are mostly same, so we can load one sharding table metadata instead of loading each of the sharding tables.
   
   ### Actual behavior
   Loading all metadata from database, causing startup too slowly.
   check.table.metadata.enabled = false
   
   <img width="1080" alt="96e686af-0c11-4285-9161-9f5c2135502c" src="https://user-images.githubusercontent.com/11688731/53022912-265f5a00-3497-11e9-8cce-941ad0092eda.png">
   
   <img width="1182" alt="931d5ce9-a4c2-47ac-89ed-40706a420e51" src="https://user-images.githubusercontent.com/11688731/53023008-60c8f700-3497-11e9-8cfd-0ef887a42d2e.png">

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