1. UNIX for Advanced & Expert Users

I am running HP-UX B.11.11. I'm increasing a parameter for a database engine so that it uses more memory to buffer the disk drive (to speed up performance). I have over 5GB of memory not being used. But when I try to start the DB with the increased buffer parameter I get told. "Not... (1 Reply)

2. Programming

Between mmap and shared memory which is the best method of sharing data between multiple applications, interms of speed? (1 Reply)

3. Programming

hi, this is the problem: i want to swap a linked list between 4 processes (unrelated), is there any way i can do that just by sending a pointer to a structure? //example typedef struct node { int x; char c; struct node *next; } node; or i should send the items ( x,c ) by... (9 Replies)

4. Programming

I need to create a shared library to access an in memory DB. The DB is not huge, but big enough to make it cumbersome to carry around in every single process using the shared library. Luckily, it is pretty static information, so I don't need to worry much about synchronizing the data between... (12 Replies)

5. Programming

I am writing a shared library in Linux (but compatible with other UNIXes) and I want to allow multiple instances to share a piece of memory -- 1 byte is enough. What's the "best" way to do this? I want to optimize for speed and portability. Obviously, I'll have to worry about mutual exclusion. (0 Replies)

6. UNIX for Advanced & Expert Users

Hi, Using ipcs we can see shared memory, etc.. details. How can I add/remove shared memory(command name)? Thanks, Naga:cool: (2 Replies)

7. Programming

Hi, I have the following two processes that's built with static libraries. Both the process have many common libraries. -rwxr-xr-x 1 xxx xxx 152946280 Oct 15 08:38 server1 -rwxr-xr-x 1 xxx xxx 41633880 Oct 15 08:39 server2. I built these two server processes making all the... (1 Reply)

8. Emergency UNIX and Linux Support

Hi, I have the following two processes that's built with static libraries. Both the process have many common libraries. -rwxr-xr-x 1 xxx xxx 152946280 Oct 15 08:38 server1 -rwxr-xr-x 1 xxx xxx 41633880 Oct 15 08:39 server2. I built these two server processes making all the... (1 Reply)

9. Programming

Hello. I am new to this forum and I would like to ask for advice about low level POSIX programming. I have to implement a POSIX compliant C shared library. A file will have some variables and the shared library will have some functions which need those variables. There is one special... (5 Replies)

10. Solaris

Hi Experts, Our servers running Solaris 10 with SAP Application. The memory utilization always >90%, but the process on SAP is too less even nothing. Why memory utilization on solaris always looks high? I have statement about memory on solaris, is this true: Memory in solaris is used for... (4 Replies)