GAUSS-04471: "fallocate(fd=%d, amount=%d, offset=%ld),write count(%d), errno(%d), maybe you use adio without XFS filesystem, if you really want do this,please turn off GUC parameter enable_fast_allocate"

SQLSTATE: XX000

Description: The data file block fails to be quickly distributed.

Solution: Check whether the file system is Xfs. If it is not, disable the enable_fast_allocate configuration item.

GAUSS-04472: "FileAsyncRead, file access failed %d"

SQLSTATE: XX000

Description: The file status is tested abnormal in the asynchronization I/O mode before the server reads the data file.

Solution: Ensure that the data file status is normal. If it is abnormal, restore the data from the standby server or the backup data.

GAUSS-04473: "io_submit() sync read failed %d"

SQLSTATE: XX000

Description: Failed to execute the OS function io_submit().

Solution: Check whether the OS kernel function is greater than Linux 2.6.23 and whether the OS installed the libaio library.

GAUSS-04474: "FileAsyncWrite, file access failed %d"

SQLSTATE: XX000

Description: The size of the file is incorrect before the asynchronization I/O writes the data file.

Solution: Ensure that the data file status is normal. If it is abnormal, restore the data from the standby server or the backup data.

GAUSS-04475: "io_submit() sync write failed %d"

SQLSTATE: XX000

Description: Failed to execute the OS function io_submit().

Solution: Check whether the OS kernel function is greater than Linux 2.6.23 and whether the OS installed the libaio library.

GAUSS-04476: "FileAccess() FAILED %d"

SQLSTATE: XX000

Description: The size of the file is incorrect before the asynchronization I/O writes the data file.

Solution: Ensure that the data file status is normal. If it is abnormal, restore the data from the standby server or the backup data.

GAUSS-04477: "io_submit() sync cu read failed %d"

SQLSTATE: XX000

Description: Failed to execute the OS function io_submit().

Solution: Check whether the OS kernel function is greater than Linux 2.6.23 and whether the OS installed the libaio library.

GAUSS-04478: "io_submit() sync cu write failed %d"

SQLSTATE: XX000

Description: Failed to execute the OS function io_submit().

Solution: Check whether the file system is XFS. If it is not, disable the enable_fast_allocate configuration item.

GAUSS-04480: "PageListPrefetch: Cannot allocate memory"

SQLSTATE: XX000

Description: The system memory is insufficient and cannot be applied for.

Solution: After the OS released part of memory, apply for the memory again.