meta_srv::metasrv

Struct Metasrv

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pub struct Metasrv {
Show 26 fields
    state: StateRef,
    started: Arc<AtomicBool>,
    start_time_ms: u64,
    options: MetasrvOptions,
    in_memory: ResettableKvBackendRef,
    kv_backend: KvBackendRef,
    leader_cached_kv_backend: Arc<LeaderCachedKvBackend>,
    meta_peer_client: MetaPeerClientRef,
    selector: SelectorRef,
    flow_selector: SelectorRef,
    handler_group: RwLock<Option<HeartbeatHandlerGroupRef>>,
    handler_group_builder: Mutex<Option<HeartbeatHandlerGroupBuilder>>,
    election: Option<ElectionRef>,
    procedure_manager: ProcedureManagerRef,
    mailbox: MailboxRef,
    procedure_executor: ProcedureExecutorRef,
    wal_options_allocator: WalOptionsAllocatorRef,
    table_metadata_manager: TableMetadataManagerRef,
    maintenance_mode_manager: MaintenanceModeManagerRef,
    memory_region_keeper: MemoryRegionKeeperRef,
    greptimedb_telemetry_task: Arc<GreptimeDBTelemetryTask>,
    region_migration_manager: RegionMigrationManagerRef,
    region_supervisor_ticker: Option<RegionSupervisorTickerRef>,
    cache_invalidator: CacheInvalidatorRef,
    leader_region_registry: LeaderRegionRegistryRef,
    plugins: Plugins,

}

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§state: StateRef§started: Arc<AtomicBool>§start_time_ms: u64§options: MetasrvOptions§in_memory: ResettableKvBackendRef§kv_backend: KvBackendRef§leader_cached_kv_backend: Arc<LeaderCachedKvBackend>§meta_peer_client: MetaPeerClientRef§selector: SelectorRef§flow_selector: SelectorRef§handler_group: RwLock<Option<HeartbeatHandlerGroupRef>>§handler_group_builder: Mutex<Option<HeartbeatHandlerGroupBuilder>>§election: Option<ElectionRef>§procedure_manager: ProcedureManagerRef§mailbox: MailboxRef§procedure_executor: ProcedureExecutorRef§wal_options_allocator: WalOptionsAllocatorRef§table_metadata_manager: TableMetadataManagerRef§maintenance_mode_manager: MaintenanceModeManagerRef§memory_region_keeper: MemoryRegionKeeperRef§greptimedb_telemetry_task: Arc<GreptimeDBTelemetryTask>§region_migration_manager: RegionMigrationManagerRef§region_supervisor_ticker: Option<RegionSupervisorTickerRef>§cache_invalidator: CacheInvalidatorRef§leader_region_registry: LeaderRegionRegistryRef§plugins: Plugins

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impl Metasrv

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pub async fn try_start(&self) -> Result<()>

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pub async fn shutdown(&self) -> Result<()>

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pub fn start_time_ms(&self) -> u64

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pub fn node_info(&self) -> MetasrvNodeInfo

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pub(crate) async fn lookup_peer(&self, peer_id: u64) -> Result<Option<Peer>>

Lookup a peer by peer_id, return it only when it’s alive.

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pub fn options(&self) -> &MetasrvOptions

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pub fn in_memory(&self) -> &ResettableKvBackendRef

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pub fn kv_backend(&self) -> &KvBackendRef

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pub fn meta_peer_client(&self) -> &MetaPeerClientRef

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pub fn selector(&self) -> &SelectorRef

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pub fn flow_selector(&self) -> &SelectorRef

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pub fn handler_group(&self) -> Option<HeartbeatHandlerGroupRef>

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pub fn election(&self) -> Option<&ElectionRef>

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pub fn mailbox(&self) -> &MailboxRef

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pub fn procedure_executor(&self) -> &ProcedureExecutorRef

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pub fn procedure_manager(&self) -> &ProcedureManagerRef

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pub fn table_metadata_manager(&self) -> &TableMetadataManagerRef

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pub fn maintenance_mode_manager(&self) -> &MaintenanceModeManagerRef

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pub fn memory_region_keeper(&self) -> &MemoryRegionKeeperRef

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pub fn region_migration_manager(&self) -> &RegionMigrationManagerRef

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pub fn publish(&self) -> Option<PublisherRef>

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pub fn subscription_manager(&self) -> Option<SubscriptionManagerRef>

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pub fn plugins(&self) -> &Plugins

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pub fn new_ctx(&self) -> Context

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impl Metasrv

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pub fn is_leader(&self) -> bool

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fn make_node_info(&self, addr: &str) -> MetasrvNodeInfo

Trait Implementations§

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impl Cluster for Metasrv

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fn batch_get<'life0, 'async_trait>( &'life0 self, req: Request<PbBatchGetRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbBatchGetResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Batch get kvs by input keys from leader’s in_memory kv store.
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fn range<'life0, 'async_trait>( &'life0 self, req: Request<PbRangeRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbRangeResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Range get the kvs from leader’s in_memory kv store.
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fn metasrv_peers<'life0, 'async_trait>( &'life0 self, req: Request<MetasrvPeersRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<MetasrvPeersResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns all the peers of metasrv.
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impl Heartbeat for Metasrv

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type HeartbeatStream = Pin<Box<dyn Stream<Item = Result<HeartbeatResponse, Status>> + Sync + Send>>

Server streaming response type for the Heartbeat method.
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fn heartbeat<'life0, 'async_trait>( &'life0 self, req: Request<Streaming<HeartbeatRequest>>, ) -> Pin<Box<dyn Future<Output = GrpcResult<Self::HeartbeatStream>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Heartbeat, there may be many contents of the heartbeat, such as: Read more
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fn ask_leader<'life0, 'async_trait>( &'life0 self, req: Request<AskLeaderRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<AskLeaderResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Ask leader’s endpoint.
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impl ProcedureService for Metasrv

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fn query<'life0, 'async_trait>( &'life0 self, request: Request<QueryProcedureRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<ProcedureStateResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Query a submitted procedure state
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fn ddl<'life0, 'async_trait>( &'life0 self, request: Request<PbDdlTaskRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbDdlTaskResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Submits a DDL task
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fn migrate<'life0, 'async_trait>( &'life0 self, request: Request<MigrateRegionRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<MigrateRegionResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Submits a region migration task
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fn details<'life0, 'async_trait>( &'life0 self, request: Request<ProcedureDetailRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<ProcedureDetailResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Query all submitted procedures details
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impl Store for Metasrv

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fn range<'life0, 'async_trait>( &'life0 self, req: Request<PbRangeRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbRangeResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Range gets the keys in the range from the key-value store.
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fn put<'life0, 'async_trait>( &'life0 self, req: Request<PbPutRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbPutResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Put puts the given key into the key-value store.
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fn batch_get<'life0, 'async_trait>( &'life0 self, req: Request<PbBatchGetRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbBatchGetResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

BatchGet atomically get values by the given keys from the key-value store.
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fn batch_put<'life0, 'async_trait>( &'life0 self, req: Request<PbBatchPutRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbBatchPutResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

BatchPut atomically puts the given keys into the key-value store.
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fn batch_delete<'life0, 'async_trait>( &'life0 self, req: Request<PbBatchDeleteRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbBatchDeleteResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

BatchDelete atomically deletes the given keys and its associating values from the key-value store.
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fn compare_and_put<'life0, 'async_trait>( &'life0 self, req: Request<PbCompareAndPutRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbCompareAndPutResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

CompareAndPut atomically puts the value to the given updated value if the current value == the expected value.
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fn delete_range<'life0, 'async_trait>( &'life0 self, req: Request<PbDeleteRangeRequest>, ) -> Pin<Box<dyn Future<Output = GrpcResult<PbDeleteRangeResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

DeleteRange deletes the given range from the key-value store.

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