wow
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Possible goroutine leaking
It's OK using on a one time command, while using wow with prompt, it consumes more cpu usage every time it starts, doesn'st seem to clean up it's goroutines.
Agreed, there is definitely something wrong with the goroutines created in the Start()
method. Here is pprof trace of about 2 minutes running wow:
![screenshot 2019-01-07 at 14 38 47](https://user-images.githubusercontent.com/1122379/50771194-2f4ef000-128a-11e9-8e88-e88b7a003328.png)
![screenshot 2019-01-07 at 14 39 24](https://user-images.githubusercontent.com/1122379/50771193-2f4ef000-128a-11e9-9973-e75e9818b075.png)