risingwave_stream::task::env

Struct StreamEnvironment

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pub struct StreamEnvironment {
    server_addr: HostAddr,
    config: Arc<StreamingConfig>,
    worker_id: u32,
    state_store: StateStoreImpl,
    dml_manager: DmlManagerRef,
    system_params_manager: LocalSystemParamsManagerRef,
    source_metrics: Arc<SourceMetrics>,
    total_mem_val: Arc<TrAdder<i64>>,
    meta_client: Option<MetaClient>,
    client_pool: ComputeClientPoolRef,
}
Expand description

The global environment for task execution. The instance will be shared by every task.

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§server_addr: HostAddr

Endpoint the stream manager listens on.

§config: Arc<StreamingConfig>

Streaming related configurations.

§worker_id: u32

Current worker node id.

§state_store: StateStoreImpl

State store for table scanning.

§dml_manager: DmlManagerRef

Manages dml information.

§system_params_manager: LocalSystemParamsManagerRef

Read the latest system parameters.

§source_metrics: Arc<SourceMetrics>

Metrics for source.

§total_mem_val: Arc<TrAdder<i64>>

Total memory usage in stream.

§meta_client: Option<MetaClient>

Meta client. Use None for test only

§client_pool: ComputeClientPoolRef

Compute client pool for streaming gRPC exchange.

Implementations§

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impl StreamEnvironment

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pub fn new( server_addr: HostAddr, config: Arc<StreamingConfig>, worker_id: u32, state_store: StateStoreImpl, dml_manager: DmlManagerRef, system_params_manager: LocalSystemParamsManagerRef, source_metrics: Arc<SourceMetrics>, meta_client: MetaClient, client_pool: ComputeClientPoolRef, ) -> Self

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pub fn server_address(&self) -> &HostAddr

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pub fn config(&self) -> &Arc<StreamingConfig>

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pub fn worker_id(&self) -> u32

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pub fn state_store(&self) -> StateStoreImpl

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pub fn dml_manager_ref(&self) -> DmlManagerRef

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pub fn system_params_manager_ref(&self) -> LocalSystemParamsManagerRef

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pub fn source_metrics(&self) -> Arc<SourceMetrics>

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pub fn total_mem_usage(&self) -> Arc<TrAdder<i64>>

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pub fn meta_client(&self) -> Option<MetaClient>

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pub fn client_pool(&self) -> ComputeClientPoolRef

Trait Implementations§

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impl Clone for StreamEnvironment

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fn clone(&self) -> StreamEnvironment

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for StreamEnvironment

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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