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A Quorum Raft cluster of 3 nodes can tolerate a single node failure, while a Quorum cluster of 5 can tolerate 2 node failures. What is the equivalent if one uses Istanbul BFT?

  • my I am going through the same issue, I am creating a docker-compose yml file for Istanbul deployment. but while I am trying to install Istanbul-tools and trying to run the make command in the end it shows an error. this the error shown on the console make: *** [istanbul] Error 1 can any one help me out please ?? – kunal Sep 11 at 11:27
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Minimum for Raft is 3 nodes and minimum for Istanbul is 5 validator nodes.

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  • why 5 at Istanbul ? – Majd TL Nov 19 '19 at 10:43
  • Actual minimum is 3 nodes, but that provides no resiliency if any of the nodes is down the chain will pause until all validators are back. At 5, your chain may tolerate 1 failure. – fixanoid Nov 19 '19 at 14:33
  • but when I run Quorum using istanbul with less equal 4 nodes, the transactions get stuck and not mined, any idea why is that ? :) – Majd TL Nov 19 '19 at 16:38

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