Visit Our UNIX and Linux User Community


buffer cache information


 
Thread Tools Search this Thread
Special Forums Hardware Filesystems, Disks and Memory buffer cache information
# 1  
Old 04-12-2002
buffer cache information

anybody please tell me how do i get all the information
about buffer cache in hp-ux .if anybody familiar with the system
call them please specify .

i found the extern variables in /sys/buf.h . but that didn't help .Smilie
# 2  
Old 04-12-2002
Try this page - everything you ever wanted to know about

HP-UX Kernel Tuning and Performance Guide
thehoghunter
# 3  
Old 04-15-2002
i couldn't get what i wanted

thanks for your reply . but the page you diverted me at
contained only explanation about the configurable parameters
i needed complete information about the buffer cache
at run time i,e .please see if you can .

Previous Thread | Next Thread
Test Your Knowledge in Computers #31
Difficulty: Easy
Alan Turing was the founder of IBM.
True or False?

10 More Discussions You Might Find Interesting

1. Fedora

sftp Unspecified GSS failure Minor code may provide more information No credentials cache found

Hi I have managed on numerous machine to set up sftp not too require a password - i finally have one that does not work and Im at a loss - looked around checked permissions etc The 2 machines Ill call then source and target I need to sftp from source to target (previously the target has... (3 Replies)
Discussion started by: wwwdaryl
3 Replies

2. Shell Programming and Scripting

bash history buffer cache

Moderators, Please excuse if I am in the wrong section. I have a question that someone may know the answer to. We know that a current bash shell keeps a record of all commands in a buffer. When the shell is terminated this buffer is written out to ~/.bash_history for the user. I know... (2 Replies)
Discussion started by: jaysunn
2 Replies

3. UNIX for Advanced & Expert Users

Deciding whether to get a buffer cache block or inode block

I was reading a book on UNIX internals "The design of the UNIX Operating system." There are two memory structures that are confusing me: 1) Buffer cache 2) Inode cache My questions are 1) Does a process get both buffer cache and Indoe cache allocated when it opens/creates a file? 2) if no,... (1 Reply)
Discussion started by: sreeharshasn
1 Replies

4. Linux

File cache /Page cache Linux

Hi All, could any one point out any open source test-suites for "File cache" testing and as well as performance test suites for the same. Currently my system is up with Linux/ext4. Regards Manish (0 Replies)
Discussion started by: hmanish
0 Replies

5. Filesystems, Disks and Memory

Buffer Cache Stats from /proc/meminfo

Hi, I am trying to understand the role of buffer cache in block I/O. I am monitoring /proc/meminfo, my question is does the value of 0 for 'buffers', mean that any subsequent disk read issued by a process, would get the data physically from the disk, and not an allocated buffer for the block? ... (1 Reply)
Discussion started by: jake24
1 Replies

6. UNIX for Dummies Questions & Answers

reduce buffer cache allocation?

Hi, Is it possible to reduce the amount of buffer cache in the memory allocation of a Unix Server? If so where can I do that? Also, does buffer cache count as tied up memory, or will it decrease as more memory is requested by other programs. (1 Reply)
Discussion started by: dehuang83
1 Replies

7. Red Hat

buffer cache size

hi everyone, can any one help change the buffer cache size in redhat and suse?? this error i got when i installed oracle 10g and it went well and when i try to mount the database using startup cmd it says too many buffer cache parameters (error code : ora-1034) thnq in advance (0 Replies)
Discussion started by: gsr_kashyap
0 Replies

8. Solaris

Unix Cache / Buffer

Does anyone know how the unix buffer / cache is set in a Solaris based system ? ( I presume it is a kernel based setting ) I notice from SAR -d that my read cache is consistently at 100% but my write cache frequently falls below 65%. What does this mean. Should I be tuning the write cache and... (1 Reply)
Discussion started by: jimthompson
1 Replies

9. HP-UX

Buffer Cache

What is the "Buffer Cache" used for? (1 Reply)
Discussion started by: ALTRUNVRSOFLN
1 Replies

10. UNIX for Advanced & Expert Users

vm and buffer cache

i have a serious doubht about the assignment of memory in hp-ux system . i read from somewhere that the page allocation in hp-ux is not unified unlike compaq . i wanted to know in hp-ux kernel ,once the pages are assigned for the univarsal buffer cache... (2 Replies)
Discussion started by: vish_shan
2 Replies

Featured Tech Videos