Arjan Topolovec created ARROW-16002:
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             Summary: [Go] fileBlock.NewMessage should use memory.Allocator
                 Key: ARROW-16002
                 URL: https://issues.apache.org/jira/browse/ARROW-16002
             Project: Apache Arrow
          Issue Type: Bug
          Components: Go
    Affects Versions: 7.0.0
            Reporter: Arjan Topolovec


The current implementation of ipc.FileReader does not use the memory.Allocator 
interface. Reading records from a file results in a large number of allocations 
since the record body buffer is allocated each time without reuse.

https://github.com/apache/arrow/blob/master/go/arrow/ipc/metadata.go#L106



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