alamb opened a new pull request, #21342: URL: https://github.com/apache/datafusion/pull/21342
Stacked on - https://github.com/apache/datafusion/pull/21327 - https://github.com/apache/datafusion/pull/21340 ## Which issue does this PR close? - part of https://github.com/apache/datafusion/issues/20529 - Broken out of https://github.com/apache/datafusion/pull/20820 ## Rationale for this change The Morsel API allows for finer grain parallelism (and IO). It is important to have the FileStream work in terms of the Morsel API to allow future features (like workstealing, etc) ## What changes are included in this PR? 1. Rewrite FileStream in terms of the MorselAPI 2. Add snapshot driven test to document the I/O and CPU patterns in FileStream ## Are these changes tested? Yes by existing functional and benchmark tests, as well as new functional tests ## Are there any user-facing changes? No (not yet) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
