Last week we went to production on SOA10.1.3.4 on Weblogic9.2, 3 node cluster, with lot of interfaces, and It was a very good exercise to prepare the servers, here are some references, if you read through all of them then you can avoid most of the issues ;)
1. tuning
check the apache-weblogic plugin parameters here
Oracle 10g tuning guide here (however lot of info here doesn't apply to weblogic)
tuning bpel quartz scheduler mentioned here
weblogic tuning guide here
linux parameters here (some good benchmark data here)
JVM parameters here (JVM Proxy settings here)
dehydation db tuning already covered as part of bpel tuning, however make sure DBAs tune processes, sessions, sga space, tablespace properly
2. best practices
if you have heavy batch jobs make sure you understand optSoapShortcut in cluster scenario, pls check this
metalink IDs for esb-bpel communication optimizations (780822.1 (esb-bpel) 726490.1 (bpel-esb))
bpel performance best practices here
esb performance best practices here , one more ppt, one more
a must read on bpel-adapter Integration here and optimizations metalink id [565944.1 and 730580.1]
3. troubleshooting
gcviewer to monitor gc memory issues
threaddump can be created on weblogic console, also can be created by kill -QUIT to monitor socket, thread issues
ORA-600 Errors Metalink ID [754336.1,18485.1, 333338.1 and 460244.1]
Cannot deserialize DOM element" Error When Running a BPEL Process [ID 559261.1]
FOTY0001: TYPE Error Using ORA:PARSEESCAPEDXML() and "&" in Input [ID 861637.1]
ORABPEL-11802 Error Calling Stored Procedure Using a Database Adapter [ID 887736.1]
BPEL waits well after expiry time set by wait or retry by fault policy[ID: 561172.1]
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