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store_api/
metrics.rs

1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use lazy_static::lazy_static;
16use prometheus::{HistogramVec, IntCounterVec, register_histogram_vec, register_int_counter_vec};
17
18/// Region id label.
19pub const REGION_LABEL: &str = "region_id";
20
21lazy_static! {
22    pub static ref CONVERT_REGION_BULK_REQUEST: HistogramVec = register_histogram_vec!(
23        "greptime_datanode_convert_region_request",
24        "datanode duration to convert region request",
25        &["stage"],
26        vec![
27            0.001, 0.005, 0.01, 0.02, 0.03, 0.04, 0.05, 0.10, 0.15, 0.2, 0.3, 0.4, 0.5, 1.0, 1.5,
28            2.0, 2.5, 3.0, 4.0, 5.0
29        ]
30    )
31    .unwrap();
32    /// Query CPU time accumulated by each region.
33    pub static ref REGION_QUERY_CPU_TIME: IntCounterVec = register_int_counter_vec!(
34        "greptime_mito_region_query_cpu_time",
35        "mito region query CPU time in nanoseconds",
36        &[REGION_LABEL]
37    )
38    .unwrap();
39    /// Query scanned bytes accumulated by each region.
40    pub static ref REGION_QUERY_SCANNED_BYTES: IntCounterVec = register_int_counter_vec!(
41        "greptime_mito_region_query_scanned_bytes",
42        "mito region query scanned bytes",
43        &[REGION_LABEL]
44    )
45    .unwrap();
46}