MeiliSearch/meilisearch/src/metrics.rs

65 lines
2.8 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,
};
/// Create evenly distributed buckets
fn create_buckets() -> [f64; 29] {
(0..10)
.chain((10..100).step_by(10))
.chain((100..=1000).step_by(100))
.map(|i| i as f64 / 1000.)
.collect::<Vec<_>>()
.try_into()
.unwrap()
}
lazy_static! {
pub static ref MEILISEARCH_HTTP_RESPONSE_TIME_CUSTOM_BUCKETS: [f64; 29] = create_buckets();
pub static ref MEILISEARCH_HTTP_REQUESTS_TOTAL: IntCounterVec = register_int_counter_vec!(
opts!("meilisearch_http_requests_total", "Meilisearch HTTP requests total"),
&["method", "path"]
)
.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"],
MEILISEARCH_HTTP_RESPONSE_TIME_CUSTOM_BUCKETS.to_vec()
)
.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");
}