Greg Smith wrote:
> On 04/30/2011 12:24 AM, Hsien-Wen Chu wrote:
>> I'm little bit confuse why it is not safe. and my question is following.
>>
>> for database application, we need to avoid double cache, PostgreSQL
>> shared_buffer will cache the data, so we do no
Dear all
When database files are on a VxFS filesystem, performance can be
significantly improved by setting the VX_CONCURRENT cache advisory on
the file according to vxfs document,
my question is that have any tested by this?
#include
ioctl(fd, VX_SETCACHE, VX_CONCURRENT);
Regards
HSIEN WEN
