Figure 1

PARAMETER AIXv5.3 AIXv6 AIXv7 SET ALL TO
 
NETWORK (no)
rfc1323 0 0 0 1
tcp_sendspace 16384 16384 16384 262144 (1Gb)
tcp_recvspace 16384 16384 16384 262144 (1Gb)
udp_sendspace 9216 9216 9216 65536
udp_recvspace 42080 42080 42080 655360
 
MEMORY (vmo)
minperm% 20 3 3 3
maxperm% 80 90 90 90
maxclient% 80 90 90 90
lru_file_repage 1 0 0 0
lru_poll_interval ? 10 10 10
minfree 960 960 960 calculation
maxfree 1088 1088 1088 calculation
page_steal_method 0 0/1 (TL) 1 1
 
JFS2 (ioo)
j2_maxPageReadAhead 128 128 128 as needed
j2_dynamicBufferPreallocation 16 16 16 as needed
 
JFS (ioo) - if at all possible do not use JFS
numfsbufs 196 196 196 use JFS2
maxpgahead 8 8 8 use JFS2

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