Maksim Timonin created IGNITE-15728:
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Summary: Provide custom reducer for
ScanQueryFallbackClosableIterator
Key: IGNITE-15728
URL: https://issues.apache.org/jira/browse/IGNITE-15728
Project: Ignite
Issue Type: New Feature
Reporter: Maksim Timonin
Assignee: Maksim Timonin
ScanQueryFallbackClosableIterator
`awaitFirstItemAvailable` is invoked in this iterator, but it runs for single
node only and it looks like it can be replaced with just reducer.hasNext() that
awaits future.
Also there is some logic for retries. By commits history this is some
ignite-spark related staff.
Investigate and fix. Because it's a single place where
`CacheQueryReducer#awaitFirstItemAvailable` is used, and we could simplify code
of reducer.
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