• Record a redis cluster exception. (error) clusterdown the cluster is down


    Accident description Previously, we used docker compose to build a redis test cluster on the test server. It ran for a long time without exceptionBut there was an accident in the computer room, and the server was rebooted for no reason. There was no exception when the redis cluster was rebooted, but the get, set […]

  • Django make complaints about collection


    This article records the slot points of Django, though Tucao, but can not make complaints about it!!! Slot one When getting an object, if the object does not exist, an exception will be thrown directly: objectdoesnotexist and doesnotexist My God, in view of the usage habit, we should encapsulate another layer. When we can’t find […]