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Special Forums Hardware Filesystems, Disks and Memory PIPEs and Named PIPEs (FIFO) Buffer size Post 54660 by RTM on Friday 20th of August 2004 10:14:40 AM
Old 08-20-2004
Suggest you find a book on tuning your specific OS.

Realize that changing parameters on the system could leave you in a non-bootable state. Proceed at your own risk.

See
Freebsd handbook
Freebsd config
Freebsd tuning
Freebsd sysctl

You can check out Redhat at Redhat Docs
 

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ost::FixedBuffer(3)					     Library Functions Manual					       ost::FixedBuffer(3)

NAME
ost::FixedBuffer - A buffer class that holds a known capacity of fixed sized objects defined during creation. SYNOPSIS
#include <buffer.h> Inherits ost::Buffer. Public Member Functions FixedBuffer (size_t capacity, size_t objsize) Create a buffer of known capacity for objects of a specified size. FixedBuffer (const FixedBuffer &fb) Create a copy of an existing fixed size buffer and duplicate it's contents. virtual ~FixedBuffer () Destroy the fixed buffer and free the memory used to store objects. FixedBuffer & operator= (const FixedBuffer &fb) bool isValid (void) Protected Member Functions size_t onPeek (void *buf) Return the first object in the buffer. size_t onWait (void *buf) Wait for and return a fixed object in the buffer. size_t onPost (void *buf) Post an object of the appropriate size into the buffer. Additional Inherited Members Detailed Description A buffer class that holds a known capacity of fixed sized objects defined during creation. Author: David Sugar dyfet@ostel.com producer/consumer buffer for fixed size objects. Constructor &; Destructor Documentation ost::FixedBuffer::FixedBuffer (size_tcapacity, size_tobjsize) Create a buffer of known capacity for objects of a specified size. Parameters: capacity of the buffer. objsize for each object held in the buffer. ost::FixedBuffer::FixedBuffer (const FixedBuffer &fb) Create a copy of an existing fixed size buffer and duplicate it's contents. Parameters: fb existing FixedBuffer object. virtual ost::FixedBuffer::~FixedBuffer () [virtual] Destroy the fixed buffer and free the memory used to store objects. Member Function Documentation bool ost::FixedBuffer::isValid (void) [virtual] Reimplemented from ost::Buffer. size_t ost::FixedBuffer::onPeek (void *buf) [protected], [virtual] Return the first object in the buffer. Returns: predefined size of this buffers objects. Parameters: buf pointer to copy contents of head of buffer to. Implements ost::Buffer. size_t ost::FixedBuffer::onPost (void *buf) [protected], [virtual] Post an object of the appropriate size into the buffer. Returns: predefined size of this buffers objects. Parameters: buf pointer to data to copy into the buffer. Implements ost::Buffer. size_t ost::FixedBuffer::onWait (void *buf) [protected], [virtual] Wait for and return a fixed object in the buffer. Returns: predefined size of this buffers objects. Parameters: buf pointer to hold object returned from the buffer. Implements ost::Buffer. FixedBuffer& ost::FixedBuffer::operator= (const FixedBuffer &fb) Author Generated automatically by Doxygen for GNU CommonC++ from the source code. GNU CommonC++ Sat Jun 23 2012 ost::FixedBuffer(3)
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