Zichen Liu created FLINK-24278:
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Summary: [FLIP-171] Async Sink Base Sink Developer Guide for
Documentation
Key: FLINK-24278
URL: https://issues.apache.org/jira/browse/FLINK-24278
Project: Flink
Issue Type: New Feature
Components: Connectors / Common
Reporter: Zichen Liu
Assignee: Zichen Liu
Fix For: 1.15.0
*User stories*
* As a Sink user, I’d like to configure the batch size for items to send to
the destination at once (e.g. “flush if there are x number of items in the
batch”)
* As a Sink user, I’d like to configure the batching logic so that I can flush
the batch of requests based on time period (e.g. “flush every 2 seconds”)
* As a Sink user I’d like to specify the number of bytes for the batch of
requests to be flushed (e.g. ”submit the batch after the total number of bytes
in it is above 1KB”)
* As a Sink developer, I’d like to use the configuration mechanism provided to
allow Sink users to configure my Sink implementation
*
*Scope*
* Allow Sink developers and users to pass batch size config to the
AsyncSinkWriter
* Add support for time-based flushing (e.g. “flush after x miliseconds”) using
the ProcessingTimeService which is part of the Sink interface
* Add support for byte-based flushing
* Consider the combination of time-based flushing and byte-based flushing, if
there are more bytes than configured in the time-based batch, then the last few
(however many necessary) items should go in the next batch to satisfy the
requirement for the number of bytes.
*References*
More details to be found
[https://cwiki.apache.org/confluence/display/FLINK/FLIP-171%3A+Async+Sink]
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