MeiliSearch/meilisearch/src/metrics.rs
meili-bors[bot] aae099e330
Merge #3851
3851: Expose lastUpdate and isIndexing in /stats endpoint r=dureuill a=gentcys

# Pull Request

## Related issue
Fixes #3843

## What does this PR do?
- expose lastUpdate in `/stats` endpoint
- expose isIndex in `stats` endpoint
- add a method `is_task_processing` in index-scheduler/src/lib.rs.

## PR checklist
Please check if your PR fulfills the following requirements:
- [x] 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: Cong Chen <cong.chen@ocrlabs.com>
Co-authored-by: ManyTheFish <many@meilisearch.com>
Co-authored-by: Louis Dureuil <louis@meilisearch.com>
2023-07-03 13:41:04 +00:00

60 lines
2.6 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_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");
}