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Sort metric names alphabetically (ContentSquare#49)
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@lekspyl @valyala
lekspyl authored and valyala committed May 3, 2019
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[![Go Report Card](https://goreportcard.com/badge/github.com/Vertamedia/chproxy)](https://goreportcard.com/report/github.com/Vertamedia/chproxy)
[![Go Report Card](https://goreportcard.com/badge/github.com/Vertamedia/chproxy)](https://goreportcard.com/report/github.com/Vertamedia/chproxy)
[![Build Status](https://travis-ci.org/Vertamedia/chproxy.svg?branch=master)](https://travis-ci.org/Vertamedia/chproxy?branch=master)
[![Coverage](https://img.shields.io/badge/gocover.io-75.7%25-green.svg)](http://gocover.io/github.com/Vertamedia/chproxy?version=1.9)

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| Name | Type | Description | Labels |
| ------------- | ------------- | ------------- | ------------- |
| status_codes_total | Counter | Distribution by response status codes | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node`, `code` |
| request_sum_total | Counter | The number of processed requests | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| request_success_total | Counter | The number of successfully proxied requests | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| concurrent_limit_excess_total | Counter | The number of rejected requests due to max_concurrent_queries limit | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| host_penalties_total | Counter | The number of given penalties by host | `cluster`, `replica`, `cluster_node` |
| host_health | Gauge | Health state of hosts by clusters | `cluster`, `replica`, `cluster_node` |
| concurrent_queries | Gauge | The number of concurrent queries at the moment | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| request_queue_size | Gauge | Request queue size at the moment | `user`, `cluster`, `cluster_user` |
| user_queue_overflow_total | Counter | The number of overflows for per-user request queues | `user`, `cluster`, `cluster_user` |
| cluster_user_queue_overflow_total | Counter | The number of overflows for per-cluster_user request queues | `user`, `cluster`, `cluster_user` |
| request_body_bytes_total | Counter | The amount of bytes read from request bodies | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| response_body_bytes_total | Counter | The amount of bytes written to response bodies | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| bad_requests_total | Counter | The number of unsupported requests | |
| cache_hits_total | Counter | The amount of cache hits | `cache`, `user`, `cluster`, `cluster_user` |
| cache_items | Gauge | The number of items in each cache | `cache` |
| cache_miss_total | Counter | The amount of cache misses | `cache`, `user`, `cluster`, `cluster_user` |
| cache_size | Gauge | Size of each cache | `cache` |
| cache_items | Gauge | The number of items in each cache | `cache` |
| request_duration_seconds | Summary | Request duration. Includes possible queue wait time | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| proxied_response_duration_seconds | Summary | Duration for responses proxied from clickhouse | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| cached_response_duration_seconds | Summary | Duration for cached responses. Includes the duration for sending response to client | `cache`, `user`, `cluster`, `cluster_user` |
| canceled_request_total | Counter | The number of requests canceled by remote client | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| killed_request_total | Counter | The number of requests killed by proxy | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| timeout_request_total | Counter | The number of timed out requests | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| cluster_user_queue_overflow_total | Counter | The number of overflows for per-cluster_user request queues | `user`, `cluster`, `cluster_user` |
| concurrent_limit_excess_total | Counter | The number of rejected requests due to max_concurrent_queries limit | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| concurrent_queries | Gauge | The number of concurrent queries at the moment | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| config_last_reload_successful | Gauge | Whether the last configuration reload attempt was successful | |
| config_last_reload_success_timestamp_seconds | Gauge | Timestamp of the last successful configuration reload | |
| bad_requests_total | Counter | The number of unsupported requests | |

| host_health | Gauge | Health state of hosts by clusters | `cluster`, `replica`, `cluster_node` |
| host_penalties_total | Counter | The number of given penalties by host | `cluster`, `replica`, `cluster_node` |
| killed_request_total | Counter | The number of requests killed by proxy | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| proxied_response_duration_seconds | Summary | Duration for responses proxied from clickhouse | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| request_body_bytes_total | Counter | The amount of bytes read from request bodies | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| request_duration_seconds | Summary | Request duration. Includes possible queue wait time | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| request_queue_size | Gauge | Request queue size at the moment | `user`, `cluster`, `cluster_user` |
| request_success_total | Counter | The number of successfully proxied requests | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| request_sum_total | Counter | The number of processed requests | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| response_body_bytes_total | Counter | The amount of bytes written to response bodies | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| status_codes_total | Counter | Distribution by response status codes | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node`, `code` |
| timeout_request_total | Counter | The number of timed out requests | `user`, `cluster`, `cluster_user`, `replica`, `cluster_node` |
| user_queue_overflow_total | Counter | The number of overflows for per-user request queues | `user`, `cluster`, `cluster_user` |

An example of [Grafana's](https://grafana.com) dashboard for `chproxy` metrics is available [here](https://github.com/Vertamedia/chproxy/blob/master/chproxy_overview.json)

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