Gao Hongtao b39c4306a8 Observing Istio control plane (#5835) ... * Add Istio control plane otel MAL expressions and UI template * Remove OpenCensus receiver, add OpenTelemetry receiver * Transfer oc receiver to ot receiver * Create indices on boot * Document istio metrics and otel receiver * Update CHANGES.md * Fix potential NPE * Add group to meter and cleanup istio mixer * Update e2e case due to the change of meter metric name * Update prometheus fetcher config, fix sql builder issue of h2 * Disable istio and so11y metrics by default. * Fix micrometer testcase		2020-11-25 21:07:03 +08:00
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main/java/org/apache/skywalking/oap/server/library/util	Cluster manager health v2 (#5784)	2020-11-04 10:04:24 +08:00
test	Observing Istio control plane (#5835)	2020-11-25 21:07:03 +08:00