Aleksey Plekhanov created IGNITE-23975:
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Summary: Calcite engine. Group partition reservation
Key: IGNITE-23975
URL: https://issues.apache.org/jira/browse/IGNITE-23975
Project: Ignite
Issue Type: Improvement
Reporter: Aleksey Plekhanov
Assignee: Aleksey Plekhanov
Partition reservation performed currently one by one. We can implement group
reservation as already implemented for H2 engine. In current implementation all
primary partitions are reserved if {{null}} is passed as partitions array. For
Calcite engine we can also pass {{null}} as {{ColocationGroup}} assignment,
when assignment equals to primary partitions assignment for cache.
With this fix we can achive two goals:
1. Faster reservation (no need to iterate over all partitions)
2. Faster marshalling (no need to marshal and send partitions assignment, when
it equals to primary partitions assignment)
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