risingwave_meta/barrier/
utils.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 std::collections::hash_map::Entry;
16use std::collections::{HashMap, HashSet};
17
18use itertools::Itertools;
19use risingwave_common::catalog::TableId;
20use risingwave_hummock_sdk::sstable_info::SstableInfo;
21use risingwave_hummock_sdk::table_stats::from_prost_table_stats_map;
22use risingwave_hummock_sdk::table_watermark::{
23    TableWatermarks, merge_multiple_new_table_watermarks,
24};
25use risingwave_hummock_sdk::{HummockSstableObjectId, LocalSstableInfo};
26use risingwave_meta_model::WorkerId;
27use risingwave_pb::stream_service::BarrierCompleteResponse;
28
29use crate::hummock::{CommitEpochInfo, NewTableFragmentInfo};
30
31#[expect(clippy::type_complexity)]
32pub(super) fn collect_resp_info(
33    resps: Vec<BarrierCompleteResponse>,
34) -> (
35    HashMap<HummockSstableObjectId, u32>,
36    Vec<LocalSstableInfo>,
37    HashMap<TableId, TableWatermarks>,
38    Vec<SstableInfo>,
39) {
40    let mut sst_to_worker: HashMap<HummockSstableObjectId, u32> = HashMap::new();
41    let mut synced_ssts: Vec<LocalSstableInfo> = vec![];
42    let mut table_watermarks = Vec::with_capacity(resps.len());
43    let mut old_value_ssts = Vec::with_capacity(resps.len());
44
45    for resp in resps {
46        let ssts_iter = resp.synced_sstables.into_iter().map(|local_sst| {
47            let sst_info = local_sst.sst.expect("field not None");
48            sst_to_worker.insert(sst_info.object_id.into(), resp.worker_id);
49            LocalSstableInfo::new(
50                sst_info.into(),
51                from_prost_table_stats_map(local_sst.table_stats_map),
52                local_sst.created_at,
53            )
54        });
55        synced_ssts.extend(ssts_iter);
56        table_watermarks.push(resp.table_watermarks);
57        old_value_ssts.extend(resp.old_value_sstables.into_iter().map(|s| s.into()));
58    }
59
60    (
61        sst_to_worker,
62        synced_ssts,
63        merge_multiple_new_table_watermarks(
64            table_watermarks
65                .into_iter()
66                .map(|watermarks| {
67                    watermarks
68                        .into_iter()
69                        .map(|(table_id, watermarks)| {
70                            (TableId::new(table_id), TableWatermarks::from(&watermarks))
71                        })
72                        .collect()
73                })
74                .collect_vec(),
75        ),
76        old_value_ssts,
77    )
78}
79
80pub(super) fn collect_creating_job_commit_epoch_info(
81    commit_info: &mut CommitEpochInfo,
82    epoch: u64,
83    resps: Vec<BarrierCompleteResponse>,
84    tables_to_commit: impl Iterator<Item = TableId>,
85    is_first_time: bool,
86) {
87    let (sst_to_context, sstables, new_table_watermarks, old_value_sst) = collect_resp_info(resps);
88    assert!(old_value_sst.is_empty());
89    commit_info.sst_to_context.extend(sst_to_context);
90    commit_info.sstables.extend(sstables);
91    commit_info
92        .new_table_watermarks
93        .extend(new_table_watermarks);
94    let tables_to_commit: HashSet<_> = tables_to_commit.collect();
95    tables_to_commit.iter().for_each(|table_id| {
96        commit_info
97            .tables_to_commit
98            .try_insert(*table_id, epoch)
99            .expect("non duplicate");
100    });
101    if is_first_time {
102        commit_info
103            .new_table_fragment_infos
104            .push(NewTableFragmentInfo {
105                table_ids: tables_to_commit,
106            });
107    };
108}
109
110pub(super) type NodeToCollect = HashMap<WorkerId, bool>;
111pub(super) fn is_valid_after_worker_err(
112    node_to_collect: &mut NodeToCollect,
113    worker_id: WorkerId,
114) -> bool {
115    match node_to_collect.entry(worker_id) {
116        Entry::Occupied(entry) => {
117            if *entry.get() {
118                entry.remove();
119                true
120            } else {
121                false
122            }
123        }
124        Entry::Vacant(_) => true,
125    }
126}
risingwave_meta/barrier/utils.rs

risingwave_meta/barrier/
utils.rs
