risingwave_meta/hummock/compaction/
compaction_config.rs

1// Copyright 2025 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
15use risingwave_common::config::CompactionConfig as CompactionConfigOpt;
16use risingwave_common::config::default::compaction_config;
17use risingwave_pb::hummock::CompactionConfig;
18use risingwave_pb::hummock::compaction_config::CompactionMode;
19
20pub struct CompactionConfigBuilder {
21    config: CompactionConfig,
22}
23
24impl CompactionConfigBuilder {
25    pub fn new() -> Self {
26        Self {
27            config: CompactionConfig {
28                max_bytes_for_level_base: compaction_config::max_bytes_for_level_base(),
29                max_bytes_for_level_multiplier: compaction_config::max_bytes_for_level_multiplier(),
30                max_level: compaction_config::max_level() as u64,
31                max_compaction_bytes: compaction_config::max_compaction_bytes(),
32                sub_level_max_compaction_bytes: compaction_config::sub_level_max_compaction_bytes(),
33                level0_tier_compact_file_number: compaction_config::level0_tier_compact_file_number(
34                ),
35                target_file_size_base: compaction_config::target_file_size_base(),
36                compaction_mode: CompactionMode::Range as i32,
37                // support compression setting per level
38                // L0/L1 and L2 do not use compression algorithms
39                // L3 - L4 use Lz4, else use Zstd
40                compression_algorithm: vec![
41                    "None".to_owned(),
42                    "None".to_owned(),
43                    "None".to_owned(),
44                    "Lz4".to_owned(),
45                    "Lz4".to_owned(),
46                    "Zstd".to_owned(),
47                    "Zstd".to_owned(),
48                ],
49                compaction_filter_mask: compaction_config::compaction_filter_mask(),
50                max_sub_compaction: compaction_config::max_sub_compaction(),
51                max_space_reclaim_bytes: compaction_config::max_space_reclaim_bytes(),
52                split_by_state_table: false,
53                split_weight_by_vnode: 0,
54                level0_stop_write_threshold_sub_level_number:
55                    compaction_config::level0_stop_write_threshold_sub_level_number(),
56                // This configure variable shall be larger than level0_tier_compact_file_number, and
57                // it shall meet the following condition:
58                //    level0_max_compact_file_number * target_file_size_base >
59                // max_bytes_for_level_base
60                level0_max_compact_file_number: compaction_config::level0_max_compact_file_number(),
61                level0_sub_level_compact_level_count:
62                    compaction_config::level0_sub_level_compact_level_count(),
63                level0_overlapping_sub_level_compact_level_count:
64                    compaction_config::level0_overlapping_sub_level_compact_level_count(),
65                tombstone_reclaim_ratio: compaction_config::tombstone_reclaim_ratio(),
66                enable_emergency_picker: compaction_config::enable_emergency_picker(),
67                max_l0_compact_level_count: Some(compaction_config::max_l0_compact_level_count()),
68                sst_allowed_trivial_move_min_size: Some(
69                    compaction_config::sst_allowed_trivial_move_min_size(),
70                ),
71                disable_auto_group_scheduling: Some(
72                    compaction_config::disable_auto_group_scheduling(),
73                ),
74                max_overlapping_level_size: Some(compaction_config::max_overlapping_level_size()),
75                sst_allowed_trivial_move_max_count: Some(
76                    compaction_config::sst_allowed_trivial_move_max_count(),
77                ),
78                emergency_level0_sst_file_count: Some(
79                    compaction_config::emergency_level0_sst_file_count(),
80                ),
81                emergency_level0_sub_level_partition: Some(
82                    compaction_config::emergency_level0_sub_level_partition(),
83                ),
84                level0_stop_write_threshold_max_sst_count: Some(
85                    compaction_config::level0_stop_write_threshold_max_sst_count(),
86                ),
87                level0_stop_write_threshold_max_size: Some(
88                    compaction_config::level0_stop_write_threshold_max_size(),
89                ),
90                enable_optimize_l0_interval_selection: Some(
91                    compaction_config::enable_optimize_l0_interval_selection(),
92                ),
93            },
94        }
95    }
96
97    pub fn with_config(config: CompactionConfig) -> Self {
98        Self { config }
99    }
100
101    pub fn with_opt(opt: &CompactionConfigOpt) -> Self {
102        Self::new()
103            .max_bytes_for_level_base(opt.max_bytes_for_level_base)
104            .max_bytes_for_level_multiplier(opt.max_bytes_for_level_multiplier)
105            .max_compaction_bytes(opt.max_compaction_bytes)
106            .sub_level_max_compaction_bytes(opt.sub_level_max_compaction_bytes)
107            .level0_tier_compact_file_number(opt.level0_tier_compact_file_number)
108            .target_file_size_base(opt.target_file_size_base)
109            .compaction_filter_mask(opt.compaction_filter_mask)
110            .max_sub_compaction(opt.max_sub_compaction)
111            .level0_stop_write_threshold_sub_level_number(
112                opt.level0_stop_write_threshold_sub_level_number,
113            )
114            .level0_sub_level_compact_level_count(opt.level0_sub_level_compact_level_count)
115            .level0_overlapping_sub_level_compact_level_count(
116                opt.level0_overlapping_sub_level_compact_level_count,
117            )
118            .max_space_reclaim_bytes(opt.max_space_reclaim_bytes)
119            .level0_max_compact_file_number(opt.level0_max_compact_file_number)
120            .tombstone_reclaim_ratio(opt.tombstone_reclaim_ratio)
121            .max_level(opt.max_level as u64)
122            .sst_allowed_trivial_move_min_size(Some(opt.sst_allowed_trivial_move_min_size))
123            .sst_allowed_trivial_move_max_count(Some(opt.sst_allowed_trivial_move_max_count))
124            .max_overlapping_level_size(Some(opt.max_overlapping_level_size))
125            .emergency_level0_sst_file_count(Some(opt.emergency_level0_sst_file_count))
126            .emergency_level0_sub_level_partition(Some(opt.emergency_level0_sub_level_partition))
127            .level0_stop_write_threshold_max_sst_count(Some(
128                opt.level0_stop_write_threshold_max_sst_count,
129            ))
130            .level0_stop_write_threshold_max_size(Some(opt.level0_stop_write_threshold_max_size))
131            .enable_optimize_l0_interval_selection(Some(opt.enable_optimize_l0_interval_selection))
132    }
133
134    pub fn build(self) -> CompactionConfig {
135        if let Err(reason) = validate_compaction_config(&self.config) {
136            tracing::warn!("Bad compaction config: {}", reason);
137        }
138        self.config
139    }
140}
141
142/// Returns Ok if `config` is valid,
143/// or the reason why it's invalid.
144pub fn validate_compaction_config(config: &CompactionConfig) -> Result<(), String> {
145    let sub_level_number_threshold_min = 1;
146    if config.level0_stop_write_threshold_sub_level_number < sub_level_number_threshold_min {
147        return Err(format!(
148            "{} is too small for level0_stop_write_threshold_sub_level_number, expect >= {}",
149            config.level0_stop_write_threshold_sub_level_number, sub_level_number_threshold_min
150        ));
151    }
152    Ok(())
153}
154
155impl Default for CompactionConfigBuilder {
156    fn default() -> Self {
157        Self::new()
158    }
159}
160
161macro_rules! builder_field {
162    ($( $name:ident: $type:ty ),* ,) => {
163        impl CompactionConfigBuilder {
164            $(
165                pub fn $name(mut self, v:$type) -> Self {
166                    self.config.$name = v;
167                    self
168                }
169            )*
170        }
171    }
172}
173
174builder_field! {
175    max_bytes_for_level_base: u64,
176    max_bytes_for_level_multiplier: u64,
177    max_level: u64,
178    max_compaction_bytes: u64,
179    sub_level_max_compaction_bytes: u64,
180    level0_tier_compact_file_number: u64,
181    compaction_mode: i32,
182    compression_algorithm: Vec<String>,
183    compaction_filter_mask: u32,
184    target_file_size_base: u64,
185    max_sub_compaction: u32,
186    max_space_reclaim_bytes: u64,
187    level0_stop_write_threshold_sub_level_number: u64,
188    level0_max_compact_file_number: u64,
189    level0_sub_level_compact_level_count: u32,
190    level0_overlapping_sub_level_compact_level_count: u32,
191    tombstone_reclaim_ratio: u32,
192    sst_allowed_trivial_move_min_size: Option<u64>,
193    sst_allowed_trivial_move_max_count: Option<u32>,
194    disable_auto_group_scheduling: Option<bool>,
195    max_overlapping_level_size: Option<u64>,
196    emergency_level0_sst_file_count: Option<u32>,
197    emergency_level0_sub_level_partition: Option<u32>,
198    level0_stop_write_threshold_max_sst_count: Option<u32>,
199    level0_stop_write_threshold_max_size: Option<u64>,
200    enable_optimize_l0_interval_selection: Option<bool>,
201}
risingwave_meta/hummock/compaction/compaction_config.rs

risingwave_meta/hummock/compaction/
compaction_config.rs
