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LeoHChen/log-level.md

Created January 28, 2022 08:18
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change log level for harmony node
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log-level.md

Harmony node program support dynamic log level setting.

There is an RPC method supported by the node to dynamically adjust the log level. hmy_setLogVerbosity

Noted, the DebugEnabled configuration has to be set to true to enable this rpc call.

[RPCOpt]
  DebugEnabled = true

#-------

The default log level is 3, INFO.

If you want to expose more detailed log, you may set it to 5 using the following command. Run it on the server,

curl -H "Content-Type: application/json" -d '{"method":"hmy_setLogVerbosity","params":[5],"id":1}' http://127.0.0.1:9500

If you want to see less log, you may set it to 2 or even 1.

curl -H "Content-Type: application/json" -d '{"method":"hmy_setLogVerbosity","params":[2],"id":1}' http://127.0.0.1:9500
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