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AckIssuer

etl::checkpoint

Struct AckIssuer 

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pub struct AckIssuer { /* private fields */ }
Expand description

Creates acknowledgement handles on pipeline threads.

One issuer per pipeline thread. Within an epoch, a partition must be issued from exactly one issuer (the runtime guarantees this: a partition is owned by exactly one thread) — sequence numbering is issuer-local. Cloning yields an issuer with fresh sequence state for use by another thread and another set of partitions.

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impl AckIssuer

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pub fn issue(&mut self, partition: PartitionId, last_offset: i64) -> AckRef

Issue the acknowledgement handle for a new source poll batch whose highest contained offset is last_offset.

Wait-free: one atomic load, one unbounded send, one allocation for the batch’s shared state.

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impl Clone for AckIssuer

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fn clone(&self) -> AckIssuer

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

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

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

Formats the value using the given formatter. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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const ALIGN: usize

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