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  • the new installed mango startup within 2 minutes.
    but after I add about 10 virtual points and 20 opc points, and 1 dglux dashboard, the mango startup very slowly, it takes 15 minutes.
    is this normal ?


  • No, that is abnormally long. How big is your database? What is your database service? What data sources are taking the longest to start (the data source start time should be visible from the startup screen).


  • INFO 2014-05-27 14:54:55,593 (com.serotonin.m2m2.db.DerbyProxy.initializeImpl:56) - Initializing derby connection manager
    INFO 2014-05-27 14:54:56,921 (com.serotonin.m2m2.db.upgrade.DBUpgrade.checkUpgrade:36) - Starting instance with core version 2.2.2, db 9
    INFO 2014-05-27 14:54:58,468 (com.serotonin.m2m2.rt.RuntimeManager.initializeDataSource:290) - Data source '-Script' initialized
    INFO 2014-05-27 14:54:58,468 (com.serotonin.m2m2.rt.RuntimeManager.initializeDataSource:295) - Data source '-Script' took 141.730062ms to start
    INFO 2014-05-27 15:00:54,218 (com.serotonin.m2m2.rt.RuntimeManager.initializeDataSource:290) - Data source '-Virtual' initialized
    INFO 2014-05-27 15:00:54,218 (com.serotonin.m2m2.rt.RuntimeManager.initializeDataSource:295) - Data source '-Virtual' took 355748.251637ms to start
    INFO 2014-05-27 15:07:29,046 (com.serotonin.m2m2.rt.RuntimeManager.initializeDataSource:290) - Data source 'demo opc' initialized
    INFO 2014-05-27 15:07:29,046 (com.serotonin.m2m2.rt.RuntimeManager.initializeDataSource:295) - Data source 'demo opc' took 394816.511988ms to start
    INFO 2014-05-27 15:08:10,515 (com.serotonin.m2m2.rt.RuntimeManager.initializeDataSource:290) - Data source '-Meta' initialized
    INFO 2014-05-27 15:08:10,515 (com.serotonin.m2m2.rt.RuntimeManager.initializeDataSource:295) - Data source '-Meta' took 41472.635497ms to start

    it seems virtual and opc take the longest time


  • OK now, it seems solved after convert to mysql database.