risingwave_storage/hummock/
hummock_meta_client.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::sync::Arc;
16
17use async_trait::async_trait;
18use futures::stream::BoxStream;
19use risingwave_hummock_sdk::version::HummockVersion;
20use risingwave_hummock_sdk::{SstObjectIdRange, SyncResult};
21use risingwave_pb::hummock::{PbHummockVersion, SubscribeCompactionEventRequest};
22use risingwave_rpc_client::error::Result;
23use risingwave_rpc_client::{
24    CompactionEventItem, HummockMetaClient, HummockMetaClientChangeLogInfo, MetaClient,
25};
26use tokio::sync::mpsc::UnboundedSender;
27
28use crate::hummock::{HummockEpoch, HummockVersionId};
29use crate::monitor::HummockMetrics;
30
31pub struct MonitoredHummockMetaClient {
32    meta_client: MetaClient,
33
34    stats: Arc<HummockMetrics>,
35}
36
37impl MonitoredHummockMetaClient {
38    pub fn new(meta_client: MetaClient, stats: Arc<HummockMetrics>) -> MonitoredHummockMetaClient {
39        MonitoredHummockMetaClient { meta_client, stats }
40    }
41
42    pub fn get_inner(&self) -> &MetaClient {
43        &self.meta_client
44    }
45}
46
47#[async_trait]
48impl HummockMetaClient for MonitoredHummockMetaClient {
49    async fn unpin_version_before(&self, unpin_version_before: HummockVersionId) -> Result<()> {
50        self.meta_client
51            .unpin_version_before(unpin_version_before)
52            .await
53    }
54
55    async fn get_current_version(&self) -> Result<HummockVersion> {
56        self.meta_client.get_current_version().await
57    }
58
59    async fn get_new_sst_ids(&self, number: u32) -> Result<SstObjectIdRange> {
60        self.stats.get_new_sst_ids_counts.inc();
61        let timer = self.stats.get_new_sst_ids_latency.start_timer();
62        let res = self.meta_client.get_new_sst_ids(number).await;
63        timer.observe_duration();
64        res
65    }
66
67    async fn commit_epoch_with_change_log(
68        &self,
69        _epoch: HummockEpoch,
70        _sync_result: SyncResult,
71        _change_log_info: Option<HummockMetaClientChangeLogInfo>,
72    ) -> Result<()> {
73        panic!("Only meta service can commit_epoch in production.")
74    }
75
76    async fn trigger_manual_compaction(
77        &self,
78        compaction_group_id: u64,
79        table_id: u32,
80        level: u32,
81        sst_ids: Vec<u64>,
82    ) -> Result<()> {
83        self.meta_client
84            .trigger_manual_compaction(compaction_group_id, table_id, level, sst_ids)
85            .await
86    }
87
88    async fn trigger_full_gc(
89        &self,
90        sst_retention_time_sec: u64,
91        prefix: Option<String>,
92    ) -> Result<()> {
93        self.meta_client
94            .trigger_full_gc(sst_retention_time_sec, prefix)
95            .await
96    }
97
98    async fn subscribe_compaction_event(
99        &self,
100    ) -> Result<(
101        UnboundedSender<SubscribeCompactionEventRequest>,
102        BoxStream<'static, CompactionEventItem>,
103    )> {
104        self.meta_client.subscribe_compaction_event().await
105    }
106
107    async fn get_version_by_epoch(
108        &self,
109        epoch: HummockEpoch,
110        table_id: u32,
111    ) -> Result<PbHummockVersion> {
112        self.meta_client.get_version_by_epoch(epoch, table_id).await
113    }
114}
risingwave_storage/hummock/hummock_meta_client.rs

risingwave_storage/hummock/
hummock_meta_client.rs
