Hi Raj Sekhar, Fabric - v 1.4.3 Environment - Microsoft Azure Cloud - 6 Ubuntu 16.04 VMs , 8 GB RAM, 2vCPU Kafka - Zookeeper Orderer Set up ( 2 Orderers) Organisation 1 Org -- 2 Peers (1 anchor and on

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Hi Soumya, Can you share the infrastructure details. Regards, Raj Shekhar

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Hi All, v1.4.3 - fabric , Kafka Zookeeper Orderer Set up Using a custom batch program i am doing a bulk upload of data from a SQL server to Blockchain where 10000 rows of data from SQL server is going

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Thanks for the response. That is very helpful...and largely confirmed what I thought I was reading. RCBJ

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Correct ... channel event hub does not support "durable subscriptions". Consuming applications need to keep track of the most recent block they have received / processed (I'll also note that there are

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Thanks for the information. So, it sounds like the application is still responsible for keeeping track of the most recent block that has been processed for chaincode events across application restarts

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The ChannelEventHub offers the ability to be started or restarted with a 'startBlock' and/or 'endBlock'. The ChannelEventHub instance keeps the last block received number. The block number is also inc

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Hello. Thanks for the reply. I am using ChannelEventHub. I found the discussion/recommendations for strategies surrounding how to detect which events have been missed in the link I provided (the older

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Sample of using a block listener to save the blocks https://github.com/hyperledger/fabric-samples/blob/release-1.4/off_chain_data/README.md

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The fabric event service is no longer supported and the 'EventHub.js' has been removed from the NodeSDK. To use the new fabric channel event service on a peer use the new 'ChannelEventHub.js'. https:/

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Hello Labib Farag, Thanks for the response. That certainly provides a standardized interface for solving the problem. However, if you will notice, the disclaimer states: Disclaimer Checkpointing in it

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did you checked this which is module for replaying missed events emitted by peers https://fabric-sdk-node.github.io/release-1.4/tutorial-event-checkpointer.html

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Hello HyperLedger Fabric community, I am working on implementing an application that receives chaincode events of interest (via a regular expression match on the event name) and then places those even

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Hi All, Can any one know how to add or remove organization from running fabric Network using Node API? Thanks Suresh

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Hi team, *I was trying to do a load test of 50 users for fetching records from blockchain concurrently.* *Node SDK is used.* *So 45 users returned the output results correctly but for 5 users it showe

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Oh .. .right ... in your case is would be the BatchTimeout which would force creation of blocks. You can do things the way you were doing them, you'll just need to find the right combination of timeou

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Hi Gari, Is it the block getting created for the parameter - BatchTimeout: 2s . So whats the best way to do a bulk upload for a millions of records because creating a million blocks - each record as a

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From the code snippet, I assume you are sending a single CSV file to your chaincode, then looping through it and calling PutState for each line/record in the CSV file. I do not think you are actually

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Hi Team, Any update on the above or idea? Regards, Soumya

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Hi Team , I was having one doubt regarding bulk upload of data from a CSV file to a blockchain this is my code in javascript file for i < count { var property = Property{PropertyId: strconv.Itoa(start

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