exocore_store/local/
config.rs

1use std::time::Duration;
2
3use exocore_protos::core::NodeStoreConfig;
4
5/// Configuration for `Store`.
6#[derive(Clone, Copy)]
7pub struct StoreConfig {
8    /// Size of the channel of queries to be executed.
9    pub query_channel_size: usize,
10
11    /// Maximum number fo queries to execute in parallel.
12    pub query_parallelism: usize,
13
14    /// Size of the result channel of each watched query.
15    pub handle_watch_query_channel_size: usize,
16
17    /// Maximum number of events from chain engine to batch together if more are
18    /// available.
19    pub chain_events_batch_size: usize,
20
21    /// Timeout for mutations that were awaiting for entities to be returned.
22    pub mutation_tracker_timeout: Duration,
23
24    /// How often the garbage collection process will run.
25    ///
26    /// Since garbage collection doesn't happen on the whole index, but only on
27    /// entities that got flagged during search, it is better to run more
28    /// often than less. `GarbageCollectorConfig::queue_size` can be tweaked
29    /// to control rate of collection.
30    pub garbage_collect_interval: Duration,
31
32    /// Specifies the interval at which new blocks in the chain get indexed.
33    /// New blocks may not necessarily get immediately indexed if they don't
34    /// fall in the interval of `chain_index_min_depth` and
35    /// `chain_index_depth_leeway`.
36    ///
37    /// Indexation can also be prevented if user queries were recently executed
38    /// (see `chain_index_deferred_query_secs`)
39    ///
40    /// If '0' is specified, deferred indexation is disabled and blocks are
41    /// indexed when the chain layer emits events.
42    pub chain_index_deferred_interval: Option<Duration>,
43
44    /// Specifies the minimum interval to wait before indexing chain blocks
45    /// after receiving a user query. It prevents potential slow downs caused
46    /// by chain indexation if a user query get executed frequently.
47    pub chain_index_deferred_query_interval: Duration,
48
49    /// Specifies the maximum interval for which indexation may be blocked by
50    /// incoming user queries.
51    pub chain_index_deferred_max_interval: Duration,
52}
53
54impl Default for StoreConfig {
55    fn default() -> Self {
56        StoreConfig {
57            query_channel_size: 1000,
58            query_parallelism: 4,
59            handle_watch_query_channel_size: 100,
60            chain_events_batch_size: 50,
61            mutation_tracker_timeout: Duration::from_secs(5),
62            garbage_collect_interval: Duration::from_secs(13),
63            chain_index_deferred_interval: Some(Duration::from_secs(5)),
64            chain_index_deferred_query_interval: Duration::from_secs(15),
65            chain_index_deferred_max_interval: Duration::from_secs(5 * 60),
66        }
67    }
68}
69
70impl From<NodeStoreConfig> for StoreConfig {
71    fn from(proto: NodeStoreConfig) -> Self {
72        let mut config = StoreConfig::default();
73
74        if let Some(v) = proto.query_parallelism {
75            config.query_parallelism = v as usize;
76        }
77
78        if let Some(index) = &proto.index {
79            if let Some(gc) = &index.garbage_collector {
80                if let Some(v) = gc.run_interval_secs {
81                    config.garbage_collect_interval = Duration::from_secs(v as u64);
82                }
83            }
84
85            if let Some(secs) = index.chain_index_deferred_interval_secs {
86                config.chain_index_deferred_interval = Some(Duration::from_secs(secs));
87            }
88
89            if let Some(secs) = index.chain_index_deferred_query_secs {
90                config.chain_index_deferred_query_interval = Duration::from_secs(secs);
91            }
92
93            if let Some(secs) = index.chain_index_deferred_max_secs {
94                config.chain_index_deferred_max_interval = Duration::from_secs(secs);
95            }
96        }
97
98        config
99    }
100}