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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| // Copyright 2023 Greptime Team | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| use std::time::{Duration, Instant}; | ||
|
|
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| use crate::metrics::{INDEX_CREATE_BYTES_TOTAL, INDEX_CREATE_COST_TIME, INDEX_CREATE_ROWS_TOTAL}; | ||
|
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| enum Stage { | ||
| Update, | ||
| Finish, | ||
| Cleanup, | ||
| } | ||
|
|
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| #[derive(Default)] | ||
| pub(crate) struct Statistics { | ||
| update_cost: Duration, | ||
| finish_cost: Duration, | ||
| cleanup_cost: Duration, | ||
| row_count: usize, | ||
| byte_count: usize, | ||
| } | ||
|
|
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| impl Statistics { | ||
| pub fn record_update(&mut self) -> TimerGuard<'_> { | ||
| TimerGuard::new(self, Stage::Update) | ||
| } | ||
|
|
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| pub fn record_finish(&mut self) -> TimerGuard<'_> { | ||
| TimerGuard::new(self, Stage::Finish) | ||
| } | ||
|
|
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| pub fn record_cleanup(&mut self) -> TimerGuard<'_> { | ||
| TimerGuard::new(self, Stage::Cleanup) | ||
| } | ||
|
|
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| pub fn row_count(&self) -> usize { | ||
| self.row_count | ||
| } | ||
|
|
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| pub fn byte_count(&self) -> usize { | ||
| self.byte_count | ||
| } | ||
|
|
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| fn flush(&self) { | ||
| INDEX_CREATE_COST_TIME | ||
| .with_label_values(&["update"]) | ||
| .observe(self.update_cost.as_secs_f64()); | ||
| INDEX_CREATE_COST_TIME | ||
| .with_label_values(&["finish"]) | ||
| .observe(self.finish_cost.as_secs_f64()); | ||
| INDEX_CREATE_COST_TIME | ||
| .with_label_values(&["cleanup"]) | ||
| .observe(self.cleanup_cost.as_secs_f64()); | ||
| INDEX_CREATE_COST_TIME | ||
| .with_label_values(&["total"]) | ||
| .observe((self.update_cost + self.finish_cost + self.cleanup_cost).as_secs_f64()); | ||
|
|
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| INDEX_CREATE_ROWS_TOTAL.inc_by(self.row_count as _); | ||
| INDEX_CREATE_BYTES_TOTAL.inc_by(self.byte_count as _); | ||
| } | ||
| } | ||
|
|
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| impl Drop for Statistics { | ||
| fn drop(&mut self) { | ||
| self.flush(); | ||
| } | ||
| } | ||
|
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| pub(crate) struct TimerGuard<'a> { | ||
| stats: &'a mut Statistics, | ||
| stage: Stage, | ||
| timer: Instant, | ||
| } | ||
|
|
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| impl<'a> TimerGuard<'a> { | ||
| fn new(stats: &'a mut Statistics, stage: Stage) -> Self { | ||
| Self { | ||
| stats, | ||
| stage, | ||
| timer: Instant::now(), | ||
| } | ||
| } | ||
|
|
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| pub fn inc_row_count(&mut self, n: usize) { | ||
| self.stats.row_count += n; | ||
| } | ||
|
|
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| pub fn inc_byte_count(&mut self, n: usize) { | ||
| self.stats.byte_count += n; | ||
| } | ||
| } | ||
|
|
||
| impl Drop for TimerGuard<'_> { | ||
| fn drop(&mut self) { | ||
| match self.stage { | ||
| Stage::Update => { | ||
| self.stats.update_cost += self.timer.elapsed(); | ||
| } | ||
| Stage::Finish => { | ||
| self.stats.finish_cost += self.timer.elapsed(); | ||
| } | ||
| Stage::Cleanup => { | ||
| self.stats.cleanup_cost += self.timer.elapsed(); | ||
| } | ||
| } | ||
| } | ||
| } |
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