Can we change the "target-block-time" parameter in the params.dat of an existing chain? I understand that if thats possible it needs to be synced across all the nodes in the chain, which might be a challenge.
but do we have a facility if in case we want to change any of the parameter. Another possible candidate is the "max-std-op-return-size". I was testing with private chains and the requirement of modifying the op-return-size appeared later and I had to clone the chain and modify the paramater.
However , I wanted to check if the reload of configuration is supported.
I tried modifying the params.dat after shutting down the node, but multichaind threw the following error message:
ERROR: Parameter set for blockchain <chain> is invalid.