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rbalamohanGitHub
5b055ac4308
rbalamohan authored and GitHub committed 9dedb2b8f63
AVRO-3482: Reuse MAGIC in DataFileReader (#1639)

DataFileReader reads magic information twice. seek(0) is invoked
twice due to this. In cloud object stores, seeking back to 0 will
cause it to fall back to "random IO policy". Example of this is
S3A connector for s3. This causes suboptimal reads in object stores.
Refactoring in the patch addresses this case by reusing MAGIC.