[Jhs-leads] RE: J2EE Performance paper
Kennedy, Barbara
Barbara.Kennedy@dep.state.fl.us
Thu, 30 Jun 2005 09:38:38 -0400
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Caveat: Middle Tier is well familiar with this paper and it refers to =
9iAS
R1, which used JServ, not OC4J. The latter appears to manage memory a =
bit
differently.
In the former case, we ran out of memory on our earlier Unix Tru64 Forms
Servers, which is why we bought 12G for the HP-UX machines. All of our
Oracle Forms probably actually need about half of this, so we still must
configure our J2EE applications carefully.
In other words, our "sandbox" in Pre-Production and Production will have =
some
kids you-all may not have met yet.
-----Original Message-----
From: Kirkpatrick, Ivan=20
Sent: Thursday, June 30, 2005 9:14 AM
To: 'jhs-leads@lists.dep.state.fl.us'
Cc: UNIX; Java Team
Subject: J2EE Performance paper
Recent problems with the JHS have been corrected. They were
not related to the SSO implementation nor were they the result of
misconfigured EAR files. The problem has to do with the memory =
available to
the JVM on 32 bit Intel Ia-32 architecture with Redhat Linux AS 3.0. It =
is
interesting to note, well at least to me, that this same problem, does =
not
occur on some of the other hardware and operating systems like =
Sun/Solaris
and hopefully HP-UX.
In my research into this I ran across this paper which I
think is very helpful to your application development efforts.
=09
http://www.oracle.com/technology/products/ias/pdf/performance-best-practi=
ces.
pdf
Ivan S Kirkpatrick
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<TITLE>RE: J2EE Performance paper</TITLE>
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<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><I><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">Caveat:</FONT></I></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> </FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">Middle Tier is well familiar with this paper and =
it</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">refers to 9iAS R1, which used =
JServ, not OC4J.</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial"> </FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">The =
latter appears to manage memory a bit differently.</FONT></SPAN></P>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">In the former case, w</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">e ran out of memory on our =
earlier</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">Unix</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">Tru64</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">Forms Servers, which is why we bought 12G for =
the HP-UX machines. </FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">All of =
our Oracle</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">Forms =
probably</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">actually</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">need =
about half of this, so we</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">still</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">must =
confi</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">g</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">ure</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">our</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">J2EE =
applications</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial"> =
carefully.</FONT></SPAN></P>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">In other words, our</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">“</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">sandbox</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">”</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> in Pre-Production and Production will have some =
kids you-all may not have met yet.</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN></P>
<UL><UL>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma">-----Original Message-----<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Kirkpatrick, Ivan<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Thursday, June 30, 2005 =
9:14 AM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> =
'jhs-leads@lists.dep.state.fl.us'<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Cc:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> UNIX; Java Team<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> J2EE Performance paper</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">Recent problems with the JHS have been corrected. =
They were not related to the SSO implementation nor were they the result =
of misconfigured EAR files. The problem has to do with the memory =
available to the JVM on 32 bit Intel Ia-32 architecture with Redhat =
Linux AS 3.0. It is interesting to note, well at least to me, that =
this same problem, does not occur on some of the other hardware and =
operating systems like Sun/Solaris and hopefully =
HP-UX.</FONT></SPAN></P>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">In my =
research into this I ran across this paper which I think is very helpful =
to your application development efforts.</FONT></SPAN></P>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial"><A =
HREF=3D"http://www.oracle.com/technology/products/ias/pdf/performance-bes=
t-practices.pdf">http://www.oracle.com/technology/products/ias/pdf/perfor=
mance-best-practices.pdf</A></FONT></SPAN></P>
<BR>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">Ivan =
S Kirkpatrick</FONT></SPAN></P>
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