Hi all

WebSphere 6.0.2.17 four node portal cluster running on Windows 2003 Server.

I'm seeing constant view rebuilds in my 4 node Portal cluster, shown in the following log. All portal members appear to be stable and no applications are experiencing network instability. I'm also experiencing occasional OOM heapdumps across all cluster members in a very short space of time. At the minute I'm trying to determine whether the CoreGroup view changes and rebuilds are because of the memory issues, or are causing the memory issues.

Any guidance on the this would be appreciated.


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[04/08/09 10:12:07:541 BST] 00000012 RoleViewLeade W DCSV8104W: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Suspected member [Cell01\cenprdwpsc\WebSphere_Portal3] because the member is suspected by member Cell01\cenprdwpsb\WebSphere_Portal2. Internal details VL suspects others: SuspectMsg sent to VL
[04/08/09 10:12:07:588 BST] 00000012 RoleViewLeade I DCSV8053I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process. Excluded members are [Cell01\cenprdwpsc\WebSphere_Portal3].
[04/08/09 10:12:07:698 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1631:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0 0].
[04/08/09 10:12:07:776 BST] 00000012 CoordinatorIm I HMGR0206I: The Coordinator is an Active Coordinator for core group DefaultCoreGroup.
[04/08/09 10:12:07:791 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1632:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 10:12:07:807 BST] 00000012 CoordinatorIm I HMGR0218I: A new core group view has been installed. The core group is DefaultCoreGroup. The view identifier is (1632:0.Cell01\CellManager01\dmgr). The number of members in the new view is 8.
[04/08/09 10:12:07:822 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1632:0.Cell01\CellManager01\dmgr), view size is 8 (AV=8, CD=9, CN=9, DF=13)
[04/08/09 10:12:26:838 BST] 00000012 RoleMergeLead I DCSV8054I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process.
[04/08/09 10:12:31:698 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1632:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0].
[04/08/09 10:12:32:807 BST] 00000012 CoordinatorIm I HMGR0206I: The Coordinator is an Active Coordinator for core group DefaultCoreGroup.
[04/08/09 10:12:32:807 BST] 00000012 CoordinatorIm I HMGR0218I: A new core group view has been installed. The core group is DefaultCoreGroup. The view identifier is (1633:0.Cell01\CellManager01\dmgr). The number of members in the new view is 9.
[04/08/09 10:12:32:822 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1633:0.Cell01\CellManager01\dmgr), view size is 9 (AV=9, CD=9, CN=9, DF=13)
[04/08/09 10:12:39:979 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1633:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 10:37:33:885 BST] 00000012 RoleViewLeade W DCSV8104W: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Suspected member [Cell01\cenprdwpsd\WebSphere_Portal4] because the member is suspected by member Cell01\cenprdwpsc\WebSphere_Portal3. Internal details VL suspects others: SuspectMsg sent to VL
[04/08/09 10:37:33:885 BST] 00000012 RoleViewLeade I DCSV8053I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process. Excluded members are [Cell01\cenprdwpsd\WebSphere_Portal4].
[04/08/09 10:37:34:026 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1633:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0 0].
[04/08/09 10:37:34:088 BST] 00000012 CoordinatorIm I HMGR0206I: The Coordinator is an Active Coordinator for core group DefaultCoreGroup.
[04/08/09 10:37:34:104 BST] 00000012 CoordinatorIm I HMGR0218I: A new core group view has been installed. The core group is DefaultCoreGroup. The view identifier is (1634:0.Cell01\CellManager01\dmgr). The number of members in the new view is 8.
[04/08/09 10:37:34:135 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1634:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 10:37:34:151 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1634:0.Cell01\CellManager01\dmgr), view size is 8 (AV=8, CD=9, CN=9, DF=13)
[04/08/09 10:37:53:151 BST] 00000012 RoleMergeLead I DCSV8054I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process.
[04/08/09 10:38:09:854 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1634:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0].
[04/08/09 10:38:10:963 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1635:0.Cell01\CellManager01\dmgr), view size is 8 (AV=8, CD=9, CN=9, DF=13)
[04/08/09 10:38:14:291 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1635:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 10:38:29:979 BST] 00000012 RoleMergeLead I DCSV8054I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process.
[04/08/09 10:38:30:010 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1635:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0].
[04/08/09 10:38:44:385 BST] 00000012 RoleMergeLead I DCSV8030I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Failed a join attempt with member [Cell01\cenprdwpsd\WebSphere_Portal4]. The reason is Sender's reason: Not all candidates are connected.
[04/08/09 10:38:44:385 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1636:0.Cell01\CellManager01\dmgr), view size is 8 (AV=8, CD=9, CN=9, DF=13)
[04/08/09 10:38:48:760 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1636:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 10:39:03:432 BST] 00000012 RoleMergeLead I DCSV8054I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process.
[04/08/09 10:39:03:463 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1636:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0].
[04/08/09 10:39:10:182 BST] 00000012 CoordinatorIm I HMGR0206I: The Coordinator is an Active Coordinator for core group DefaultCoreGroup.
[04/08/09 10:39:10:182 BST] 00000012 CoordinatorIm I HMGR0218I: A new core group view has been installed. The core group is DefaultCoreGroup. The view identifier is (1637:0.Cell01\CellManager01\dmgr). The number of members in the new view is 9.
[04/08/09 10:39:10:198 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1637:0.Cell01\CellManager01\dmgr), view size is 9 (AV=9, CD=9, CN=9, DF=13)
[04/08/09 10:39:10:448 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1637:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 11:55:22:369 BST] 00000012 RoleViewLeade W DCSV8104W: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Suspected member [Cell01\cenprdwpsd\WebSphere_Portal4] because the member is suspected by member Cell01\cenprdwpsb\WebSphere_Portal2. Internal details VL suspects others: SuspectMsg sent to VL
[04/08/09 11:55:22:385 BST] 00000012 RoleViewLeade I DCSV8053I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process. Excluded members are [Cell01\cenprdwpsd\WebSphere_Portal4].
[04/08/09 11:55:22:557 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1637:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0 0].
[04/08/09 11:55:22:619 BST] 00000012 CoordinatorIm I HMGR0206I: The Coordinator is an Active Coordinator for core group DefaultCoreGroup.
[04/08/09 11:55:22:666 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1638:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 11:55:22:666 BST] 00000012 CoordinatorIm I HMGR0218I: A new core group view has been installed. The core group is DefaultCoreGroup. The view identifier is (1638:0.Cell01\CellManager01\dmgr). The number of members in the new view is 8.
[04/08/09 11:55:22:698 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1638:0.Cell01\CellManager01\dmgr), view size is 8 (AV=8, CD=9, CN=9, DF=13)
[04/08/09 11:55:41:963 BST] 00000012 RoleMergeLead I DCSV8054I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process.
[04/08/09 11:55:43:963 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1638:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0].
[04/08/09 11:56:17:416 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1639:0.Cell01\CellManager01\dmgr), view size is 8 (AV=8, CD=9, CN=9, DF=13)
[04/08/09 11:56:17:432 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1639:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 11:56:36:432 BST] 00000012 RoleMergeLead I DCSV8054I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process.
[04/08/09 11:56:36:557 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1639:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0].
[04/08/09 11:56:36:588 BST] 00000012 CoordinatorIm I HMGR0206I: The Coordinator is an Active Coordinator for core group DefaultCoreGroup.
[04/08/09 11:56:36:588 BST] 00000012 CoordinatorIm I HMGR0218I: A new core group view has been installed. The core group is DefaultCoreGroup. The view identifier is (1640:0.Cell01\CellManager01\dmgr). The number of members in the new view is 9.
[04/08/09 11:56:36:588 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1640:0.Cell01\CellManager01\dmgr), view size is 9 (AV=9, CD=9, CN=9, DF=13)
[04/08/09 11:56:38:151 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1640:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 11:59:48:651 BST] 00000012 RoleViewLeade W DCSV8104W: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Suspected member [Cell01\cenprdwpsd\WebSphere_Portal4] because the member is suspected by member Cell01\cenprdwpsb\WebSphere_Portal2. Internal details VL suspects others: SuspectMsg sent to VL
[04/08/09 11:59:48:651 BST] 00000012 RoleViewLeade I DCSV8053I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process. Excluded members are [Cell01\cenprdwpsd\WebSphere_Portal4].
[04/08/09 11:59:48:698 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1640:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0 0].
[04/08/09 11:59:48:776 BST] 00000012 CoordinatorIm I HMGR0206I: The Coordinator is an Active Coordinator for core group DefaultCoreGroup.
[04/08/09 11:59:48:791 BST] 00000012 CoordinatorIm I HMGR0218I: A new core group view has been installed. The core group is DefaultCoreGroup. The view identifier is (1641:0.Cell01\CellManager01\dmgr). The number of members in the new view is 8.
[04/08/09 11:59:48:807 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1641:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 11:59:48:838 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1641:0.Cell01\CellManager01\dmgr), view size is 8 (AV=8, CD=9, CN=9, DF=13)
[04/08/09 12:00:07:854 BST] 00000012 RoleMergeLead I DCSV8054I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process.
[04/08/09 12:00:17:526 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1641:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0].
[04/08/09 12:00:32:979 BST] 00000012 RoleMergeLead I DCSV8030I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Failed a join attempt with member [Cell01\cenprdwpsd\WebSphere_Portal4]. The reason is Sender's reason: Received Merge request from a denied member.
[04/08/09 12:00:32:979 BST] 00000012 CoreGroupMemb I DCSV8050I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: New view installed, identifier (1642:0.Cell01\CellManager01\dmgr), view size is 8 (AV=8, CD=9, CN=9, DF=13)
[04/08/09 12:00:34:791 BST] 00000017 ViewReceiver I DCSV1033I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: Confirmed all new view members in view identifier (1642:0.Cell01\CellManager01\dmgr). View channel type is View|Ptp.
[04/08/09 12:00:51:994 BST] 00000012 RoleMergeLead I DCSV8054I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process.
[04/08/09 12:01:56:088 BST] 00000012 RoleMergeLead I DCSV8053I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: View change in process. Excluded members are [Cell01\cenprdwpsc\WebSphere_Portal3].
[04/08/09 12:01:57:526 BST] 00000017 VSync I DCSV2004I: DCS Stack DefaultCoreGroup at Member Cell01\CellManager01\dmgr: The synchronization procedure completed successfully. The View Identifier is (1642:0.Cell01\CellManager01\dmgr). The internal details are [0 0 0 0 0 0 0 0].
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