Sharding - Related information

  • What if Druid+Sharding JDBC,Druid monitoring cannot see which table is used in the statement?

    Project applies Druid+Sharding JDBC to split a table, product_0, product_1,product_2. but only the logical table name can be seen under Druid monitoring. Product, cannot see the actual physical table name and UNKNOWN appears under the fields item. As...

    Apr.12,2021
  • Problems encountered in using sharding-jdbc

    javax.persistence.PersistenceException: org.hibernate.HibernateException: The database returned no natively generated identity value at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:149) at org.hibernate.inter...

    Mar.11,2021
  • MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
    MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3a092-2c1d3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b3a092-2c1d3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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