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Instrumentation

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This commit is contained in:
Alexey Milovidov 2021-08-27 03:02:14 +03:00
parent 91cef77edc
commit f5ae8ef225
1 changed files with 0 additions and 2 deletions
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src/IO/ThreadPoolReader.cpp
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@ -80,8 +80,6 @@ std::future<IAsynchronousReader::Result> ThreadPoolReader::submit(Request reques
#if defined(__linux__)
/// Check if data is already in page cache with preadv2 syscall.
/// TODO ProfileEvents for page cache hits and misses.
/// We don't want to depend on new Linux kernel.
static std::atomic<bool> has_pread_nowait_support{true};