MySQL根据5.1.34之前版本的一个BUG分析O_DIRECT

Version:  '5.1.34-percona-highperf-log'  socket:  '/home/mysql/mysql.sock'  port:  3306  Source distribution
140324  5:00:02  InnoDB: Failed to set O_DIRECT on file  /tmp/#sql593e_191_0.ibd: CREATE: Invalid argument, continuing anyway
140324  5:00:02  InnoDB: O_DIRECT is known to result in  'Invalid argument' on Linux on tmpfs, see MySQL Bug#26662
140324  5:00:02  InnoDB: Failed to set O_DIRECT on file  /tmp/#sql593e_191_0.ibd: OPEN: Invalid argument, continuing anyway
140324  5:00:02  InnoDB: O_DIRECT is known to result in  'Invalid argument' on Linux on tmpfs, see MySQL Bug#26662
140324  5:00:02  InnoDB: Failed to set O_DIRECT on file  /tmp/#sql593e_192_0.ibd: CREATE: Invalid argument, continuing anyway