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RE: [eclipselink-users] RMI Cache Performance Problems
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Hello Tony,
1) This may be a classloader issue, I've filed a bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=212270 In the bug I have attached a potential patch can you let me know if the patch resolves this problem?
2) Are these performance issues occuring only once you add the cache coordination? What operations do the calls consist of? Reads, writes, combinations? How to the operations differ between slower calls and faster calls? Have you turned on logging? Does the call seem to wait on the database or is it after the writes to the database have completed?
--Gordon
-----Original Message-----
From: eclipselink-users-bounces@xxxxxxxxxxx
[mailto:eclipselink-users-bounces@xxxxxxxxxxx]On Behalf Of Vespa,
Anthony J
Sent: Thursday, December 06, 2007 4:45 PM
To: EclipseLink User Discussions
Subject: [eclipselink-users] RMI Cache Performance Problems
So I've got RMI coordinated caching working across two servers and it
behaves as I would expect. I've got questions:
1) I seem to be getting this error a lot:
ava.util.MissingResourceException: Can't find bundle for base name
org.eclipse.persistence.exceptions.i18n.CommunicationExceptionResource,
locale en_US I assume some sort of missing resource for different
languages is somewhere, either I forgot it or it wasn't included.
2) I am having some performance issues, to the effect of like 10-15
seconds per call, where before they took less than a sec to 2 seconds.
In some cases the connections are being closed after a very short
(period of seconds) inactivity, and sometimes it seems to just hang
before returning data. I'm wondering if I am missing some obvious
settings or something? I don't close the Entity managers after each web
service request so I'm trying to configure the JDBC timeout but that
doesn't seem to have any effect.
Thanks!
T
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