supunkamburugamuve commented on a change in pull request #11854:
URL: https://github.com/apache/arrow/pull/11854#discussion_r768798972
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File path: cpp/src/arrow/json/options.h
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@@ -65,6 +65,8 @@ struct ARROW_EXPORT ReadOptions {
/// Block size we request from the IO layer; also determines the size of
/// chunks when use_threads is true
int32_t block_size = 1 << 20; // 1 MB
+ /// weather we will use a separate thread for read ahead
+ bool use_read_ahead = true;
Review comment:
Done
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