05-31-2011
Noticing some missunderstood high percentage or numbers does NOT necessary mean that there IS a problem.
Could you please tell us who is experiencing a problem and who is complaining ?
What do they complain about ?
What kind of task is(are) the "complainer(s)" trying to do ?
Are their some other server hosted on the same physical host ?
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sync2(2) System Calls Manual sync2(2)
NAME
sync2 - Flush file system metadata and data from memory buffers to disk
SYNOPSIS
#include <sys/mount.h>
int sync2 (
unsigned int POLICY ,
char *path);
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
sync2(): XSH5.0
Refer to the standards(5) reference page for more information about industry standards and associated tags.
PARAMETERS
Flush the file system memory buffers to disk. The argument is one of the following: Flush all memory buffers. Specifying this flag causes
the function to behave the same as the sync function. See sync(2). Flush all memory buffers except those under smooth sync control. The
name of a file system or fileset. Specify the optional path parameter when you want to have the POLICY act only on that file system
instead of all file systems. Specify a NULL argument when you want to have the POLICY act on all file systems.
DESCRIPTION
The sync2 function causes file system data to be flushed (written) to disk. Which memory buffers are flushed to disk depends on the POLICY
argument.
If the policy is SYNC_SYNCPOLICY, all memory buffers are flushed to disk. If the policy is SYNC_SMOOTHSYNCPOLICY, all memory buffers
except those under smooth sync control are flushed to disk.
To which file systems the POLICY argument applies depends on the path argument. To apply the policy to one file system, name it in the
path argument. To apply the policy to all file systems, specify the path argument as NULL.
The writing, although scheduled, is not necessarily complete upon return from the sync2 function.
RELATED INFORMATION
Functions: sync(2)
Commands: sync(8)
Standards: standards(5) delim off
sync2(2)