Re: informix 9.3 to 9.4 issue

On 29 Feb, 13:05, Fernando Nunes <s...@xxxxxxxxxxxxxxx> wrote:
TBP (The Big Potato) wrote:

What is happening with the memory??

 > Mem:   4149104k total,  4125452k used,    23652k free,     6220k buffers

4125452k  Used?? Could be a Linux funny s'pose

Linux's memory is always almost full as AFAIK.
It uses every memory available for cache.. but this has a very low priority
(meaning the cache will be disposed as soon as the system needs memory for
anything more useful)

--
Fernando Nunes
Portugal

http://informix-technology.blogspot.com
My email works... but I don't check it frequently...

Run onstat -z then 10 seconds later run select * from syssesprof in
sysmaster.

Look at the busy sessions and their query plans.
.

Relevant Pages

  • Re: Cached memory never gets released
    ... Stock linux 2.4.26 kernel. ... Due to flash bug 3M of memory gets lost due to font memory getting lost ... The output of "free" cache number steadily grows. ... longer to exhaust all of system memory with the cache. ...
    (Linux-Kernel)
  • Re: Problem: Creating a raw binary string
    ... > While its true that a 64-bit cpu will move twice the data per instruction it ... > Memory bus width plays an important role here and unless it too is widened / ... You are forgetting the two levels of cache in the processor. ... The memory chips are addressed in Row col fashion. ...
    (alt.comp.lang.borland-delphi)
  • Re: Is Greenspun enough?
    ... Most OSes memory map executables directly from the file system so code doesn't pollute the file cache or swap space. ...
    (comp.lang.lisp)
  • Re: Superstitious learning in Computer Architecture
    ... Without a LOT of logic or some other better approach, re-executing the instructions requires re-decoding and it ties up the cache memory bus transferring more data as instructions than the instructions are working on. ... The concept of cache is fundamentally flawed in that it STILL restricts access to one word per clock cycle, when a single modern ALU can easily use 5 plus whatever is eaten up with instruction accesses. ... The size of an optimizing compiler is proportional to the SQUARE of the size of the language times the SQUARE of the complexity of the machine - because all interactions must be considered. ...
    (comp.arch.arithmetic)
  • Re: FPGA-based hardware accelerator for PC
    ... I know that in most cases the CPU ... that it contsins no cache, as BRAMs are too precious resources to be wasted ... The BRAMs are what define the opportunity, ... many threads with full associativity of memory lines using hashed MMU ...
    (comp.arch.fpga)