To clarify, the guideline I'm looking for is how many nodes to set apart as dedicated to be master eligible in a cluster of size N. That is not N/2+1.
On Wednesday, January 14, 2015 at 2:24:29 PM UTC+5:30, Darshat Shah wrote: > > That's the minimum number. Is it recommended to have more, or will > elections take longer if we have more than this minimum? > > On Wednesday, January 14, 2015 at 2:16:27 PM UTC+5:30, drjz wrote: >> >> The formula is N/2+1, so in your case that would be 46 if there are 90 >> nodes. >> >> /JZ >> >> On Wednesday, January 14, 2015 at 9:38:01 AM UTC+1, Darshat Shah wrote: >>> >>> Hi, >>> What is the guideline on recommended number of master eligible nodes in >>> a cluster? >>> >>> We have a big cluster with 90+ nodes, currently all are eligible to be >>> masters. However I do see master election take very long after a cluster >>> restart - most nodes are still trying to ping the old master and I think >>> there is no way to force a re-election. >>> >>> Will re-election be faster if number of master eligible nodes be less? >>> Is there a rule of thumb, given N nodes how many should we configure to be >>> eligible to be masters? >>> >>> Thanks >>> Darshat >>> >> -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/e8e6dd50-203f-4ce7-9c78-3a989c526af6%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
