Aleksey Plekhanov created IGNITE-28676:
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             Summary: Check if space preallocation for data files can increase 
performance
                 Key: IGNITE-28676
                 URL: https://issues.apache.org/jira/browse/IGNITE-28676
             Project: Ignite
          Issue Type: Improvement
            Reporter: Aleksey Plekhanov
            Assignee: Aleksey Plekhanov


Currently (with default CheckpointWriteOrder) we write pages on checkpoint to 
partition data file sequentially. For new (allocated on current checkpoint) 
pages each page writing allocates new small block for file. Perhaps it's worth 
to preallocate all required space for file. We should check this idea and test 
performance. 



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