10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
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
2. UNIX for Advanced & Expert Users
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
3. Red Hat
Hi
I am running in Issue that my total system RAM is 8GB. If I run command
free -m I get 6.0 Gb RAM
free -m
total used free shared buffers cached
Mem: 7554 5928 1626 0 123 4798
-/+ buffers 1006 ... (3 Replies)
Discussion started by: osamamunir
3 Replies
4. Filesystems, Disks and Memory
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
5. Linux
Hello,
I have a small problem some large shell scripts.
My scripts do lot of text manipulation with large files. But at some point they stuck. The variables in the script lose their value, it becomes null.
I guess this is because of lack of memory. What could be the other reason of... (1 Reply)
Discussion started by: netsecwork
1 Replies
6. Red Hat
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
7. Solaris
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
8. HP-UX
What is the "Buffer Cache" used for? (1 Reply)
Discussion started by: ALTRUNVRSOFLN
1 Replies
9. UNIX for Advanced & Expert Users
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
10. Filesystems, Disks and Memory
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 .:) (2 Replies)
Discussion started by: vish_shan
2 Replies
