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[C++] Enable fine grained IO for async IPC reader #30126

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asfimport opened this issue Nov 3, 2021 · 3 comments
Closed

[C++] Enable fine grained IO for async IPC reader #30126

asfimport opened this issue Nov 3, 2021 · 3 comments

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@asfimport
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asfimport commented Nov 3, 2021

The IPC reader operates at the granularity of an entire record batch; even if you're loading only a few columns, the entire record batch is read. ARROW-12683 partially addressed this issue by enabling this capability for sync read API, however, async read API still lacks of this capability.

Reporter: Yue Ni / @niyue
Assignee: Weston Pace / @westonpace

Related issues:

PRs and other links:

Note: This issue was originally created as ARROW-14577. Please see the migration documentation for further details.

@asfimport
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David Li / @lidavidm:
We should also combine it with the I/O coalescer.

CC @westonpace who I believe is looking into this already.

@asfimport
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David Li / @lidavidm:
Thanks for filing the follow up ticket!

@asfimport
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Weston Pace / @westonpace:
Issue resolved by pull request 11616
#11616

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