MeiliSearch/meilisearch/src/metrics.rs

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use lazy_static::lazy_static;
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use prometheus::{
opts, register_histogram_vec, register_int_counter_vec, register_int_gauge,
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register_int_gauge_vec, HistogramVec, IntCounterVec, IntGauge, IntGaugeVec,
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};
lazy_static! {
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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");
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pub static ref MEILISEARCH_DB_SIZE_BYTES: IntGauge =
register_int_gauge!(opts!("meilisearch_db_size_bytes", "Meilisearch DB Size In Bytes"))
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.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");
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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!(
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opts!("meilisearch_index_docs_count", "Meilisearch Index Docs Count"),
&["index"]
)
.expect("Can't create a metric");
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pub static ref MEILISEARCH_HTTP_RESPONSE_TIME_SECONDS: HistogramVec = register_histogram_vec!(
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"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");
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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");
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}