Questions tagged [raft]

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Do QBFT of quorum mine empty blocks?

We are currently using RAFT as the consensus protocol as it has the highest TPS, fastest block creation, and no empty block creation. However, recently GoQuorum tutorials highlighted not to use RAFT ...
Manoj Kumar's user avatar
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1 answer
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rafthttp: failed to find member 1 in cluster 1000 -quorum -raft consensus

Firstly, I have created a node in quorum private blockchain and initiated genesis to create blockchain using geth and bootnode . Then, I run the node and it is running blockchain. Later, I tried to ...
rakesh chintu's user avatar
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I am getting a error when trying to set up a local raft network

When I try to run the command geth attach $nodeName/geth.ipc It shows the following error 'Incorrect Usage. flag provided but not defined: -raft' I am not able to understand what went wrong exactly, ...
Kunal Kishore Ksquare's user avatar
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103 views

Pending transactions at the client machine, but minter is not minting a new block since there are no pending transactions

I am running Blockbench on Quorom Raft using smallbank workload: 4 minters and 4 clients. Following the logs, I found that sometimes 1 specific client (Client 4) has pending transactions but the ...
Modhi Bin Kulib's user avatar
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1 answer
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Can we deploy a private blockchain on ethereum without using smart contract

I'm recently trying to investigate whether we can deploy a private blockchain without using the functionality of the smart contract, or in that case can we deploy it on quorum without the ...
Shashi Sharda's user avatar
3 votes
1 answer
477 views

Mining a private transaction in quorum

I was going through the quorum docs and got stuck on how private transactions are mined? When two nodes, say Node A and Node B do a private transaction between themselves. Which node then mines the ...
Shubham Saxena's user avatar
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1k views

Quorum Minimum Number of Nodes for Raft Consensus and Istanbul BFT

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?
Nathan Aw's user avatar
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543 views

Quorum Raft: Is the leader validates each transactions in the block before broadcasting it?

I read about how the raft consensus works in Quorum to reach consensus and broadcast blocks (https://github.com/jpmorganchase/quorum/blob/master/docs/raft.md). I don't know if the following is correct ...
A.Gh's user avatar
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1 answer
375 views

Quroum - High gas consumption for ether transfer

I am running a local 3-node Quorum cluster with Raft consensus. The network is setup using quorum-maker. All the settings are default except that I have added a custom account in the script so that it ...
KBhokray's user avatar
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1 answer
896 views

Quorum - Was the raft log corrupted, truncated, or lost? Incremental/Differential Backup Strategy and Restoring EVM State in a Quorum Node

Say, there is only one quorum node within each organisation (among many other quorum nodes which are spread out in other organisations) and that quorum node encountered some catastrophic incident ...
Nathan Aw's user avatar
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1 vote
1 answer
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adding new peer to quorum dynamically

I've three boxes quorum setup running on AWS and i wanted to dynamically add a node to this setup so i added enode of that node along with ip in static-nodes.json of all boxes and started the node but ...
niket doke's user avatar
2 votes
2 answers
1k views

In Quorum, between Raft and Istanbul BFT (IBFT) consensus, which has a better (faster) block confirmation time? Assuming Ceteris Paribus

In Quorum, to help decide between Raft and Istanbul BFT (IBFT) consensus, which has a better (faster) block confirmation time? Assuming Ceteris Paribus.
Nathan Aw's user avatar
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