One of our B50 servers (AIX 4.3.3) is pretty slow. I think this is because of the system is waiting (90 - 99%) for nothing. How can help? Output of "topas" is:
[tt]
Kernel 1.7 |# |
User 1.2 | |
Wait 97.0 |########################### |
Idle 0.0 | |
EVENTS/QUEUES FILE/TTY
Cswitch 101 Readch 12075
Syscall 533 Writech 8837
Reads 34 Rawin 33
Writes 15 Ttyout 683
Forks 0 Igets 0
Execs 0 Namei 18
Runqueue 0.0 Dirblk 0
Waitqueue 0.0
PAGING MEMORY
Faults 33 Real,MB 511
Steals 0 % Comp 30.0
PgspIn 0 % Noncomp 70.0
PgspOut 0 % Client 0.0
PageIn 0
PageOut 0 PAGING SPACE
Sios 0 Size,MB 1024
% Used 15.7
% Free 84.2
Interf KBPS I-Pack O-Pack KB-In KB-Out
en0 3.9 14.2 9.8 1.2 2.7
lo0 0.4 0.8 0.8 0.2 0.2
[/tt]
[tt]
Kernel 1.7 |# |
User 1.2 | |
Wait 97.0 |########################### |
Idle 0.0 | |
EVENTS/QUEUES FILE/TTY
Cswitch 101 Readch 12075
Syscall 533 Writech 8837
Reads 34 Rawin 33
Writes 15 Ttyout 683
Forks 0 Igets 0
Execs 0 Namei 18
Runqueue 0.0 Dirblk 0
Waitqueue 0.0
PAGING MEMORY
Faults 33 Real,MB 511
Steals 0 % Comp 30.0
PgspIn 0 % Noncomp 70.0
PgspOut 0 % Client 0.0
PageIn 0
PageOut 0 PAGING SPACE
Sios 0 Size,MB 1024
% Used 15.7
% Free 84.2
Interf KBPS I-Pack O-Pack KB-In KB-Out
en0 3.9 14.2 9.8 1.2 2.7
lo0 0.4 0.8 0.8 0.2 0.2
[/tt]