Gao Hongtao 924f25fec4 Self observability of OAP backend (#3140) ... * First commit * Fix e2e test and some nits * Documenting so11y and setting default values of it in dev env		2019-07-24 16:08:56 +08:00
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main	Self observability of OAP backend (#3140)	2019-07-24 16:08:56 +08:00