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MCOL-498. Segment files extension uses fallocate() now to optimize load put on SSD disks.

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Roman Nozdrin
2018-02-28 19:20:16 +03:00
parent 8a7ccd7d93
commit 1d9f47a55c
13 changed files with 90 additions and 7 deletions
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17
utils/idbdatafile/UnbufferedFile.cpp
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@ -329,4 +329,21 @@ int UnbufferedFile::close()
return ret;
}
int UnbufferedFile::fallocate(int mode, off64_t offset, off64_t length)
{
int ret = 0;
int savedErrno = 0;
ret = ::fallocate( m_fd, mode, offset, length );
savedErrno = errno;
if ( ret == -1 && IDBLogger::isEnabled() )
{
IDBLogger::logNoArg(m_fname, this, "fallocate", errno);
}
errno = savedErrno;
return ret;
}
}