pitrou commented on a change in pull request #9714:
URL: https://github.com/apache/arrow/pull/9714#discussion_r595140538
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File path: cpp/src/arrow/util/async_generator.h
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@@ -336,6 +345,68 @@ class ReadaheadGenerator {
std::queue<Future<T>> readahead_queue_;
};
+template <typename T>
+class PushGenerator {
Review comment:
Right. The use case I'm thinking about is async `GetFileInfo` for
networked filesystems (such as S3). The aim is to cover latencies, but no
significant CPU or RAM consumption should be involved. Also, in this use case,
the producer would potentially run on multiple threads.
I'll add a comment.
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