risingwave_meta/hummock/compaction/selector/
ttl_selector.rs

1// Copyright 2023 RisingWave Labs
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
15// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
16// This source code is licensed under both the GPLv2 (found in the
17// COPYING file in the root directory) and Apache 2.0 License
18// (found in the LICENSE.Apache file in the root directory).
19
20use std::collections::HashMap;
21
22use risingwave_hummock_sdk::{CompactionGroupId, HummockCompactionTaskId};
23use risingwave_pb::hummock::compact_task;
24
25use super::{CompactionSelector, DynamicLevelSelectorCore};
26use crate::hummock::compaction::picker::{TtlPickerState, TtlReclaimCompactionPicker};
27use crate::hummock::compaction::selector::CompactionSelectorContext;
28use crate::hummock::compaction::{CompactionTask, create_compaction_task};
29
30#[derive(Default)]
31pub struct TtlCompactionSelector {
32    state: HashMap<CompactionGroupId, TtlPickerState>,
33}
34
35impl CompactionSelector for TtlCompactionSelector {
36    fn pick_compaction(
37        &mut self,
38        task_id: HummockCompactionTaskId,
39        context: CompactionSelectorContext<'_>,
40    ) -> Option<CompactionTask> {
41        let CompactionSelectorContext {
42            group,
43            levels,
44            level_handlers,
45            table_id_to_options,
46            developer_config,
47            in_progress_compactions,
48            ..
49        } = context;
50        let dynamic_level_core =
51            DynamicLevelSelectorCore::new(group.compaction_config.clone(), developer_config);
52        let ctx = dynamic_level_core.calculate_level_base_size(levels);
53        let picker = TtlReclaimCompactionPicker::new(table_id_to_options);
54        let state = self.state.entry(group.group_id).or_default();
55        let compaction_input = picker.pick_compaction(levels, level_handlers, state)?;
56        if !compaction_input.skip_target_range_conflict_check
57            && in_progress_compactions.has_conflict_with_input(&compaction_input)
58        {
59            return None;
60        }
61        compaction_input.add_pending_task(task_id, level_handlers);
62
63        Some(create_compaction_task(
64            group.compaction_config.as_ref(),
65            compaction_input,
66            ctx.base_level,
67            self.task_type(),
68        ))
69    }
70
71    fn name(&self) -> &'static str {
72        "TtlCompaction"
73    }
74
75    fn task_type(&self) -> compact_task::TaskType {
76        compact_task::TaskType::Ttl
77    }
78}
risingwave_meta/hummock/compaction/selector/ttl_selector.rs

risingwave_meta/hummock/compaction/selector/
ttl_selector.rs
