MeiliSearch/meilisearch/src/metrics.rs
meili-bors[bot] 5ea017b922
Merge #4530
4530: fix: set the histogram bucket boundaries to follow the otel spec r=curquiza a=rohankmr414

# Pull Request

## What does this PR do?
- Fixes the http request duration histogram bucket boundaries to follow the opentelemetry spec, currently the bucket boundaries are too granular and only track latencies below 1s.

## PR checklist
Please check if your PR fulfills the following requirements:
- [ ] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
- [x] Have you read the contributing guidelines?
- [x] Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!


Co-authored-by: Rohan Kumar <rohankmr414@gmail.com>
2024-03-25 12:23:31 +00:00

53 lines
2.5 KiB
Rust

use lazy_static::lazy_static;
use prometheus::{
opts, register_histogram_vec, register_int_counter_vec, register_int_gauge,
register_int_gauge_vec, HistogramVec, IntCounterVec, IntGauge, IntGaugeVec,
};
lazy_static! {
pub static ref MEILISEARCH_HTTP_REQUESTS_TOTAL: IntCounterVec = register_int_counter_vec!(
opts!("meilisearch_http_requests_total", "Meilisearch HTTP requests total"),
&["method", "path", "status"]
)
.expect("Can't create a metric");
pub static ref MEILISEARCH_DEGRADED_SEARCH_REQUESTS: IntGauge = register_int_gauge!(opts!(
"meilisearch_degraded_search_requests",
"Meilisearch number of degraded search requests"
))
.expect("Can't create a metric");
pub static ref MEILISEARCH_DB_SIZE_BYTES: IntGauge =
register_int_gauge!(opts!("meilisearch_db_size_bytes", "Meilisearch DB Size In Bytes"))
.expect("Can't create a metric");
pub static ref MEILISEARCH_USED_DB_SIZE_BYTES: IntGauge = register_int_gauge!(opts!(
"meilisearch_used_db_size_bytes",
"Meilisearch Used DB Size In Bytes"
))
.expect("Can't create a metric");
pub static ref MEILISEARCH_INDEX_COUNT: IntGauge =
register_int_gauge!(opts!("meilisearch_index_count", "Meilisearch Index Count"))
.expect("Can't create a metric");
pub static ref MEILISEARCH_INDEX_DOCS_COUNT: IntGaugeVec = register_int_gauge_vec!(
opts!("meilisearch_index_docs_count", "Meilisearch Index Docs Count"),
&["index"]
)
.expect("Can't create a metric");
pub static ref MEILISEARCH_HTTP_RESPONSE_TIME_SECONDS: HistogramVec = register_histogram_vec!(
"meilisearch_http_response_time_seconds",
"Meilisearch HTTP response times",
&["method", "path"],
vec![0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0]
)
.expect("Can't create a metric");
pub static ref MEILISEARCH_NB_TASKS: IntGaugeVec = register_int_gauge_vec!(
opts!("meilisearch_nb_tasks", "Meilisearch Number of tasks"),
&["kind", "value"]
)
.expect("Can't create a metric");
pub static ref MEILISEARCH_LAST_UPDATE: IntGauge =
register_int_gauge!(opts!("meilisearch_last_update", "Meilisearch Last Update"))
.expect("Can't create a metric");
pub static ref MEILISEARCH_IS_INDEXING: IntGauge =
register_int_gauge!(opts!("meilisearch_is_indexing", "Meilisearch Is Indexing"))
.expect("Can't create a metric");
}