amogh-jahagirdar commented on PR #9953:
URL: https://github.com/apache/iceberg/pull/9953#issuecomment-2007499715
@ajantha-bhat Replied my thoughts on the Trino PR and I'll summarize what I
think here:
To be clear, there is no extra I/O being done in practice for
`newInputfile(DataFile)` since that code path does not look to be exercised yet
in the latest release.
What's remaining is the `newInputFile(ManifestFile)` where there would be
an extra I/O during engine planning. Since the I/O is an extra head request to
object stores which typically is low double digit milliseconds + the fact that
only a subset of manifess are read during planning I think that it's not
significant enough to warrant a patch release, but I can be convinced otherwise
if folks hit a latency regression this in their workloads.
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