[JBoss JIRA] Created: (JBAS-3720) Change structure of ClusteredSSO data in tree cache to avoid lock issues
3:32 p.m.
Change structure of ClusteredSSO data in tree cache to avoid lock issues
------------------------------------------------------------------------
Key: JBAS-3720
URL: http://jira.jboss.com/jira/browse/JBAS-3720
Project: JBoss Application Server
Issue Type: Task
Security Level: Public (Everyone can see)
Components: Clustering, Web (Tomcat) service
Reporter: Brian Stansberry
Assigned To: Brian Stansberry
Fix For: JBossAS-5.0.0.CR1
For each SSO entry, their should be child node per server where the SSO has been used.
This is different from the current where all the session data for an SSO is in one node.
The data map in each child node would hold the session ids of the sessions active on that
server.
This kind of structure avoids most lock contention between different servers.
Can't do this in 4.0.x as it prevents interoperation with earlier releases.
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11:36 p.m.
New subject: [JBoss JIRA] Assigned: (JBAS-3720) Change structure of ClusteredSSO data in tree cache to avoid lock issues
[ http://jira.jboss.com/jira/browse/JBAS-3720?page=all ]
Hany Mesha reassigned JBAS-3720:
--------------------------------
Assignee: Hany Mesha (was: Brian Stansberry)
Change structure of ClusteredSSO data in tree cache to avoid lock
issues
------------------------------------------------------------------------
Key: JBAS-3720
URL: http://jira.jboss.com/jira/browse/JBAS-3720
Project: JBoss Application Server
Issue Type: Task
Security Level: Public(Everyone can see)
Components: Web (Tomcat) service, Clustering
Reporter: Brian Stansberry
Assigned To: Hany Mesha
Fix For: JBossAS-5.0.0.CR1
For each SSO entry, their should be child node per server where the SSO has been used.
This is different from the current where all the session data for an SSO is in one node.
The data map in each child node would hold the session ids of the sessions active on that
server.
This kind of structure avoids most lock contention between different servers.
Can't do this in 4.0.x as it prevents interoperation with earlier releases.
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2:24 p.m.
New subject: [JBoss JIRA] Resolved: (JBAS-3720) Change structure of ClusteredSSO data in tree cache to avoid lock issues
[ http://jira.jboss.com/jira/browse/JBAS-3720?page=all ]
Hany Mesha resolved JBAS-3720.
------------------------------
Resolution: Done
Assignee: Brian Stansberry (was: Hany Mesha)
changed the fqn for sessions map in TreeCacheSSOClusterManager
The change is done in the following method:
private Fqn getSessionsFqn(String ssoid)
{
Object[] objs = new Object[]{SSO, ssoid, localAddress, SESSIONS};
return new Fqn(objs);
}
Note that the original fqn didn't have localAddress as part of the node structure in
the tree cache. With this change the sessions associated with the SSO ID will be
identified by the server that this SSO cluster manager running on.
Brian, Please confirm the change and close the issue. Thanks!
Due to the fact that the test suite is broken, I didn't have chance to test this
change. However, there's no special test cases that need to be written to verify the
change. So once the test suite is repaired, the verification would be running the SSO test
cases to success.
Change structure of ClusteredSSO data in tree cache to avoid lock
issues
------------------------------------------------------------------------
Key: JBAS-3720
URL: http://jira.jboss.com/jira/browse/JBAS-3720
Project: JBoss Application Server
Issue Type: Task
Security Level: Public(Everyone can see)
Components: Clustering, Web (Tomcat) service
Reporter: Brian Stansberry
Assigned To: Brian Stansberry
Fix For: JBossAS-5.0.0.CR1
For each SSO entry, their should be child node per server where the SSO has been used.
This is different from the current where all the session data for an SSO is in one node.
The data map in each child node would hold the session ids of the sessions active on that
server.
This kind of structure avoids most lock contention between different servers.
Can't do this in 4.0.x as it prevents interoperation with earlier releases.
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4:18 p.m.
New subject: [JBoss JIRA] Reopened: (JBAS-3720) Change structure of ClusteredSSO data in tree cache to avoid lock issues
[ http://jira.jboss.com/jira/browse/JBAS-3720?page=all ]
Brian Stansberry reopened JBAS-3720:
------------------------------------
Thanks, Hany. :) I'm reopening pending getting the test to work; will close once it
passes.
Change structure of ClusteredSSO data in tree cache to avoid lock
issues
------------------------------------------------------------------------
Key: JBAS-3720
URL: http://jira.jboss.com/jira/browse/JBAS-3720
Project: JBoss Application Server
Issue Type: Task
Security Level: Public(Everyone can see)
Components: Web (Tomcat) service, Clustering
Reporter: Brian Stansberry
Assigned To: Brian Stansberry
Fix For: JBossAS-5.0.0.CR1
For each SSO entry, their should be child node per server where the SSO has been used.
This is different from the current where all the session data for an SSO is in one node.
The data map in each child node would hold the session ids of the sessions active on that
server.
This kind of structure avoids most lock contention between different servers.
Can't do this in 4.0.x as it prevents interoperation with earlier releases.
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4:20 p.m.
New subject: [JBoss JIRA] Updated: (JBAS-3720) Change structure of ClusteredSSO data in tree cache to avoid lock issues
[ http://jira.jboss.com/jira/browse/JBAS-3720?page=all ]
Brian Stansberry updated JBAS-3720:
-----------------------------------
Fix Version/s: JBossAS-5.0.0.Beta3
(was: JBossAS-5.0.0.CR1)
Change structure of ClusteredSSO data in tree cache to avoid lock
issues
------------------------------------------------------------------------
Key: JBAS-3720
URL: http://jira.jboss.com/jira/browse/JBAS-3720
Project: JBoss Application Server
Issue Type: Task
Security Level: Public(Everyone can see)
Components: Web (Tomcat) service, Clustering
Reporter: Brian Stansberry
Assigned To: Brian Stansberry
Fix For: JBossAS-5.0.0.Beta3
For each SSO entry, their should be child node per server where the SSO has been used.
This is different from the current where all the session data for an SSO is in one node.
The data map in each child node would hold the session ids of the sessions active on that
server.
This kind of structure avoids most lock contention between different servers.
Can't do this in 4.0.x as it prevents interoperation with earlier releases.
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10:58 a.m.
New subject: [JBoss JIRA] Closed: (JBAS-3720) Change structure of ClusteredSSO data in tree cache to avoid lock issues
[ http://jira.jboss.com/jira/browse/JBAS-3720?page=all ]
Brian Stansberry closed JBAS-3720.
----------------------------------
Resolution: Done
Change structure of ClusteredSSO data in tree cache to avoid lock
issues
------------------------------------------------------------------------
Key: JBAS-3720
URL: http://jira.jboss.com/jira/browse/JBAS-3720
Project: JBoss Application Server
Issue Type: Task
Security Level: Public(Everyone can see)
Components: Clustering, Web (Tomcat) service
Reporter: Brian Stansberry
Assigned To: Brian Stansberry
Fix For: JBossAS-5.0.0.Beta3
For each SSO entry, their should be child node per server where the SSO has been used.
This is different from the current where all the session data for an SSO is in one node.
The data map in each child node would hold the session ids of the sessions active on that
server.
This kind of structure avoids most lock contention between different servers.
Can't do this in 4.0.x as it prevents interoperation with earlier releases.
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6597
days inactive
6945
days old
5 comments
3 participants
participants (3)
-
Brian Stansberry (JIRA) -
Brian Stansberry (JIRA) -
Hany Mesha (JIRA)