Ignoring past events

[fazal]

Is it possible to ignore events before member joins the cluster?

Regards

[fazal]

It is possible to use snapshots to ignore past events before shutdown. But what I'm trying to ignore is all events before start.

Maybe my understanding is wrong, I think it is possible to use Ltime for this? But I'm not sure how to access the current Ltime of cluster for comparison with event Ltime.

[fazal]

Nevermind. It is literally the second option to Join. I've been just blindly passing it false.

[Dhananjay Kumar]

Hi,

I have a cluster consisting of 4 nodes(A,B,C,D).  When one of the nodes(say A) leave the cluster, all other nodes try to join the left node periodically(i.e command is: serf join IP_of_A). Once A comes up, it will be pulled to cluster since other nodes try to 'join' it.  But it gets all past events which happened between B,C,D in the absence of A. Is it possible to avoid passing these past events A?

I am not setting '-reply' for join so I was hoping A shouldn't get the replay of events. Any idea how to avoid 'replay' of events?

Thanks,

Dhananjay

[Armon Dadgar]

Hey Dhananjay,

If node A leaves gracefully, then the other nodes should not attempt to contact it. They will only attempt to contact “failed” nodes to gracefully recover from failures or network partitions.

Once that node has left, it should rejoin with “-replay=false” to avoid getting all the old events played back. Hope that helps!

Best Regards,

Armon Dadgar

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