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https://issues.apache.org/jira/browse/FLINK-9897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16561717#comment-16561717
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ASF GitHub Bot commented on FLINK-9897:
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tzulitai commented on issue #6408: [FLINK-9897][Kinesis Connector] Make
adaptive reads depend on run loop time instead of fetchintervalmillis
URL: https://github.com/apache/flink/pull/6408#issuecomment-408810334
@glaksh100 let me know if you would have time to address my comments. I
would like to merge your recent Kinesis changes by the end of this week to be
in time for RC1 for 1.6.0. If you don't have the time to address them, I can
also close up the loose ends myself while merging.
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> Further enhance adaptive reads in Kinesis Connector to depend on run loop time
> ------------------------------------------------------------------------------
>
> Key: FLINK-9897
> URL: https://issues.apache.org/jira/browse/FLINK-9897
> Project: Flink
> Issue Type: Improvement
> Components: Kinesis Connector
> Affects Versions: 1.4.2, 1.5.1
> Reporter: Lakshmi Rao
> Assignee: Lakshmi Rao
> Priority: Major
> Labels: pull-request-available
>
> In FLINK-9692, we introduced the ability for the shardConsumer to adaptively
> read more records based on the current average record size to optimize the 2
> Mb/sec shard limit. The feature maximizes maxNumberOfRecordsPerFetch of 5
> reads/sec (as prescribed by Kinesis limits). In the case where applications
> take more time to process records in the run loop, they are no longer able to
> read at a frequency of 5 reads/sec (even though their fetchIntervalMillis
> maybe set to 200 ms). In such a scenario, the maxNumberOfRecordsPerFetch
> should be calculated based on the time that the run loop actually takes as
> opposed to fetchIntervalMillis.
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