fabric@lists.hyperledger.org

Re: The zookeeper & Kafka TLS connection #fabric #fabric-questions

anyone successfully upgrade the zookeeper to 3.5 and add the feature of using the TLS?

By Simon Yau · #4124 ·

Re: chaincode lifecycle #fabric #fabric-questions

On Tue, Jul 17, 2018 at 9:36 AM Simon Yau <skyau2@...> wrote: > > if organization 1 instantiate a chaincode (let say mycc, version v0) > what if organization 2 install a different chaincode

By Jay Guo · #4123 ·

Re: Endorsement policy for the channel operations #fabric #fabric-questions

when you create a channel, you are also defining its mod policy: https://github.com/hyperledger/fabric/blob/release-1.2/sampleconfig/configtx.yaml#L317-L320 if you require any one of admins to approve

By Jay Guo · #4122 ·

Unable to download platform specific binaries in windows 10

i tried to download platform specific binaries..But i am getting an error.Please help me fix said problem Punnoose curl

By Punnoose Joseph · #4121 ·

Re: The zookeeper & Kafka TLS connection #fabric #fabric-questions

correct. - J

By Jay Guo · #4119 ·

chaincode lifecycle #fabric #fabric-questions

if organization 1 instantiate a chaincode (let say mycc, version v0) what if organization 2 install a different chaincode using the same name (mycc, v0), the peer will check and reject? Can the peer

By Simon Yau · #4118 ·

Endorsement policy for the channel operations #fabric #fabric-questions

The default mode of channel operations (e.g. adding a new organization into the channel) is having MAJORITY to sign it. Any way to simply allow 1 Admin Org to sign it without asking other

By Simon Yau · #4117 ·

The zookeeper & Kafka TLS connection #fabric #fabric-questions

I am now testing on the v1.1 and the zookeeper version should be running 3.4.9 As check in the web, the zookeeper 3.4.9 does not support TLS, am I correct?

By Simon Yau · #4116 ·

The affiliations in the Fabric CA #fabric #fabric-questions

what's the usage for the affiliations in the Fabric CA ( and thus the cert info) do all the organization in the channel need to align with the same affiliations?

By Simon Yau · #4115 ·

Re: gossip error during the startup of 1 peer node #fabric #fabric-questions

the issue resolved, my mistake, I forgot to add the entries in the DNS...

By Simon Yau · #4114 ·

Re: what's the recommended number of kafkas and zookeepers? #fabric-questions #fabric

Hey Simon - On the ZK side, that's correct ... it's a 2f+1 model so f=2 means you need 5 ZK nodes. Kafka is a little trickier in terms of availability and data loss. For data loss, Kafka supports N-1

By Gari Singh <garis@...> · #4113 ·

Re: what's the recommended number of kafkas and zookeepers? #fabric-questions #fabric

Hey Simon - On the ZK side, that's correct ... it's a 2f+1 model so f=2 means you need 5 ZK nodes. Kafka is a little trickier in terms of availability and data loss. For data loss, Kafka supports

By Gari Singh <garis@...> · #4112 ·

Architecture Best Practice -->Multiple contracts in same network using multiple organizations for each contract #fabric #fabric-questions

Dear All, We are in the process of going live with Hyperledger for a trading organization with multiple contracts with multiple clients, while working with limited banks, shippers and insurers. The

By Suji Thampi <sujimt@...> · #4111 ·

Re: what's the recommended number of kafkas and zookeepers? #fabric-questions #fabric

Hi Gari, what if i would like to allow 2 nodes failure, so the number of ZK is 2*2+1 =5 while the number of K is 3(replication factor) +2 = 5?

By Simon Yau · #4110 ·

Re: gossip error during the startup of 1 peer node #fabric #fabric-questions

i have now peer1(anchor), peer2-5 (peer) i found now the peer2 does not have the error while peer3-5 do have error my environment: all dockers in the same server, exposing their port using different

By Simon Yau · #4109 ·

Re: #fabric #fabric-questions #fabric #fabric-questions

Hello Simon, Kafka cluster has nothing to do with number of Orgs and Peers. It depends on your Ordering service and Failover requirement. For e.g. 1. will all Org and Peer use same ordering service

By Mohammad Ghasletwala · #4108 ·

Re: what's the recommended number of kafkas and zookeepers? #fabric-questions #fabric

From a performance standpoint, Kafka and Zookeeper (ZK) are not going to be the bottleneck. So how many ZK nodes and Kafka brokers you deploy will depend on your resiliency model /

By Gari Singh <garis@...> · #4107 ·

Re: gossip error during the startup of 1 peer node #fabric #fabric-questions

The important piece of information is whatis logged in the log entry above - the reason for this warning. If the reason is that the certificatecouldn't be found - then it's OK as long as it doesn't

By Yacov · #4106 ·

gossip error during the startup of 1 peer node #fabric #fabric-questions

Hi everyone, i am creating peer1/peer2/peer3, (anchor node is peer1), when i start the peer3, below error message, any idea? 2018-07-16 06:19:51.180 UTC [gossip/gossip] handleMessage -> WARN 1d0

By Simon Yau · #4105 ·

what's the recommended number of kafkas and zookeepers? #fabric-questions #fabric

what's the recommened number of Kafkas and Zookeepers if I want to have around 5 organizations, with each organization to have 5-6 peer nodes?

By Simon Yau · #4104 ·

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