Friday May 15, 2009

web 6.1 SP11 64-bit download

If you need to use 64-bit web 6.1 SP11, you can download it at



https://cds.sun.com/is-bin/INTERSHOP.enfinity/WFS/CDS-CDS_SMI-Site/en_US/-/USD/ViewProductDetail-Start?ProductRef=SJWS-6.1-SP11-OTH-G-F@CDS-CDS_SMI


This will allow you to use much more in memory address space.


e.g. for a 32-bit process, the theoretical max. memory per process = 4 GB,


a pmap will show,


vm40:/wlee/bits/tmp-web7.0u5> pmap 16908 | more
16908:  webservd -d /wlee/7.0u4/run/https-vm40.singapore.sun.com/config -r /wl
00010000       8K r-x--  /wlee/7.0u4/run/lib/webservd
00020000       8K rwx--  /wlee/7.0u4/run/lib/webservd
00022000      56K rwx--    [ heap ]
00030000    3904K rwx--    [ heap ]
00400000  167936K rwx--    [ heap ]
DB87A000       8K rwx-R    [ stack tid=285 ]


......(note the above address = 8 \* 4-byte each = 32-bit address)


but if we are running 64-bit, then the pmap will show,


vm40:/wlee> pmap 3799 | more
3799:   webservd -d /wlee/7.0u5-64/https-vm40.singapore.sun.com/config -r /wle
0000000100000000          8K r-x--  /wlee/7.0u5-64/lib/sparcv9/webservd
0000000100100000          8K rwx--  /wlee/7.0u5-64/lib/sparcv9/webservd
0000000100102000         56K rwx--    [ heap ]
0000000100110000       3008K rwx--    [ heap ]
0000000100400000     217088K rwx--    [ heap ]
FFFFFFFF3FCFA000          8K rw--R    [ stack tid=284 ]


......(note the above address = 16 \* 4-byte each = 64-bit address), so the theoretical max. memory per process = 16 TB, but of course limited by other factors, e.g. physical RAM and swap space, etc.


If you need more memory for your web server process (assume you do not have any memory leaks in your application, etc), then one option is to run 64-bit process.





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Wing-Yip Walter Lee

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