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3e627e2861
The following new provile events had been added: - FileSync - Number of times the F_FULLFSYNC/fsync/fdatasync function was called for files. - DirectorySync - Number of times the F_FULLFSYNC/fsync/fdatasync function was called for directories. - FileSyncElapsedMicroseconds - Total time spent waiting for F_FULLFSYNC/fsync/fdatasync syscall for files. - DirectorySyncElapsedMicroseconds - Total time spent waiting for F_FULLFSYNC/fsync/fdatasync syscall for directories. v2: rewrite test to sh with retries Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
#include <Disks/LocalDirectorySyncGuard.h>
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#include <Common/ProfileEvents.h>
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#include <Common/Exception.h>
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#include <Disks/IDisk.h>
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#include <Common/Stopwatch.h>
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#include <fcntl.h> // O_RDWR
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/// OSX does not have O_DIRECTORY
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#ifndef O_DIRECTORY
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#define O_DIRECTORY O_RDWR
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#endif
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namespace ProfileEvents
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{
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extern const Event DirectorySync;
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extern const Event DirectorySyncElapsedMicroseconds;
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}
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int CANNOT_FSYNC;
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extern const int FILE_DOESNT_EXIST;
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extern const int CANNOT_OPEN_FILE;
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extern const int CANNOT_CLOSE_FILE;
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}
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LocalDirectorySyncGuard::LocalDirectorySyncGuard(const String & full_path)
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: fd(::open(full_path.c_str(), O_DIRECTORY))
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{
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if (-1 == fd)
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throwFromErrnoWithPath("Cannot open file " + full_path, full_path,
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errno == ENOENT ? ErrorCodes::FILE_DOESNT_EXIST : ErrorCodes::CANNOT_OPEN_FILE);
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}
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LocalDirectorySyncGuard::~LocalDirectorySyncGuard()
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{
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ProfileEvents::increment(ProfileEvents::DirectorySync);
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try
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{
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Stopwatch watch;
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#if defined(OS_DARWIN)
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if (fcntl(fd, F_FULLFSYNC, 0))
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throwFromErrno("Cannot fcntl(F_FULLFSYNC)", ErrorCodes::CANNOT_FSYNC);
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#else
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if (-1 == ::fdatasync(fd))
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throw Exception("Cannot fdatasync", ErrorCodes::CANNOT_FSYNC);
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#endif
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if (-1 == ::close(fd))
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throw Exception("Cannot close file", ErrorCodes::CANNOT_CLOSE_FILE);
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ProfileEvents::increment(ProfileEvents::DirectorySyncElapsedMicroseconds, watch.elapsedMicroseconds());
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}
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catch (...)
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{
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tryLogCurrentException(__PRETTY_FUNCTION__);
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}
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}
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}
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