bodable.cn
swctl create instance sitewhere -d _···swctl:v0.9.2···_ swctl create instance sitewhere -m Usage: swctl create instance [NAME] [flags] Flags: -c, --config-template string Configuration template. (default "default") -x, --dateset-template string Dataset template....
I am puzzled why there is no device name in the device model in the overall design of sitewhere? What's the point of this? 
Kafka keeps restarting anyway... future isn't success, cause: (org.apache.zookeeper.ClientCnxnSocketNetty) [nioEventLoopGroup-2-1] java.nio.channels.ClosedChannelException [logs-from-kafka-in-sitewhere-kafka-kafka-1.txt](https://github.com/sitewhere/sitewhere/files/6220416/logs-from-kafka-in-sitewhere-kafka-kafka-1.txt)
WARN fsync-ing the write ahead log in SyncThread:2 took 3932ms which will adversely effect operation latency. File size is 67108880 bytes ZK works normally when running on SSD, but in...
error 1、Client exception in call to com.sitewhere.grpc.service.DeviceManagement/ListDeviceSummaries.CLOSE error 2、Client exception in call to com.sitewhere.grpc.service.AssetManagement/GetAssetById.CLOSE 
1、-StreamThread-1] Encountered the following error during processing:: java.lang.NullPointerException 2、 All stream threads have died. The instance will be in error state and should be closed 2021-02-22 08:17:34,467 ERROR [org.apa.kaf.str.pro.int.StreamThread] (sitewhere-sitewhere-yinh-inbound-processing-decoded-15824e7f-7954-4473-8774-9c81159f4917-StreamThread-1)...
Where is the default tenant's device asset template in version 3.0
How sitewhere microservices use istio visualization. I want to observe the operation of each microservice in the sitewhere instance and the machine resources through a visual decoding