Author: fhanik
Date: Thu May 4 09:17:31 2006
New Revision: 399749
URL: http://svn.apache.org/viewcvs?rev=399749&view=rev
Log:
Added notes about adding soft membership failure detection
Modified:
tomcat/container/tc5.5.x/modules/groupcom/to-do.txt
Modified: tomcat/container/tc5.5.x/modules/groupcom/to-do.txt
URL:
http://svn.apache.org/viewcvs/tomcat/container/tc5.5.x/modules/groupcom/to-do.txt?rev=399749&r1=399748&r2=399749&view=diff
==============================================================================
--- tomcat/container/tc5.5.x/modules/groupcom/to-do.txt (original)
+++ tomcat/container/tc5.5.x/modules/groupcom/to-do.txt Thu May 4 09:17:31 2006
@@ -40,6 +40,17 @@
Code Tasks:
===========================================
+44. Soft membership failure detection, ie if a webapp is stopped, but
+ the AbstractReplicatedMap doesn't broadcast a stop message
+ This is one potential solution:
+ 1. keep a static WeakHashMap of all map implementations running
+ so that we can share one heartbeat thread for timeouts
+ 2. everytime a message is received, update the last check time for that
+ member so that we don't need the thread to actively check
+ 3. when the thread wakes up, it will check maps that are outside
+ the valid range for check time,
+ 4. send a RPC message, if no reply, remove the map from itself
+
43. Silent member, node discovery.
Add in the ability to start up tribes, but don't start the membership
broadcast
component, only the listener
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