[jgroups-dev] Problem with FD_SOCK failure detection

We are using FD_SOCK for failure detection. Recently lot of cluster hang
issues coming when new member joins and co-ordinator goes down at same time.

As per my understanding FD_SOCK detects the failure of right neighbor so
when new member comes up it takes the responsibility of detecting the
co-ordinator failure.  I think this scenario is error prone in case new
member is not initialized((FD_SOCK pinger thread is not started)) and
co-ordinator goes down then it's failure is undetected. New member goes in
indefinite retry to join the crashed co-ordinator.

We are thinking of changing the logic to detect the neighbor in left. Have
anyone tried this? If you have some other alternative to solve this problem
please revert back

Details:
JGroups version: 3.3.1.Final
Using JGroups with Infinispan 5.3.0.Final




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