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I have been working on a project, where I would like to trace all transactions from a block and for this reason I have been using a fast-syncing node. It works well, the only issue is that querying the node using the debug_traceBlockByHash endpoint is very slow. Slower than the speed of new blocks being mined. For this reason after a few blocks, I get behind and eventually due to pruning of the data, I don't have access to trace information anymore. So, my question is if it's possible to save the trace information during syncing or when receiving a new block. Thanks!

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  1. Run multiple nodes doing debug_traceBlockByHash

  2. Split the work across multiple nodes e.g. by a block number

  3. Reconcialiate the results at the end to a database

I believe this is how EtherScan operates its nodes.

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    Thank you very much, very helpful answer :)
    – Jani
    Commented Jun 30, 2020 at 11:15
  • No problem Jani.
    – Mikko Ohtamaa
    Commented Jun 30, 2020 at 13:04

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