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Streamz ManuallySampledMetrics set:
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Directory: /rpc/internal/server

Query matched 8 metrics and 4 "subdirectories":
/rpc/internal/server/loas/ (2 metrics)
/rpc/internal/server/multi_nic/ (5 metrics)
/rpc/internal/server/psp/ (5 metrics)
/rpc/internal/server/rpc_deadline/ (1 metrics)
/rpc/internal/server/active_channels_by_loadbalancing_policy_gauge{string client_policy} : long = ...
/rpc/internal/server/compressed_usage{string compression_type} (cumulative): long = ...
/rpc/internal/server/received_bytes{string rpc_service_name, string rpc_command} (cumulative): long = ...
/rpc/internal/server/security_level_none_count (cumulative): long = 0
/rpc/internal/server/security_level_none_detail_count{string job, string method} (cumulative): long = ...
/rpc/internal/server/sent_bytes{string rpc_service_name, string rpc_command} (cumulative): long = ...
/rpc/internal/server/total_by_auth_protocol{string rpc_auth_protocol} (cumulative): long = ...
/rpc/internal/server/uncompressed_usage{string compression_type} (cumulative): long = ...