Frequency of RECEIVE << PING

[Wush Wu]

Dear all,

I saw about 211 line of logs of "INFO NotebookServer: RECEIVE << PING" in 1
second.

Is there a parameter to configure the frequency of PING?

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Currently we use the zeppelin on commit:
b4b4f5521a57fd3b0902b5e3ab0e228c10b8bac5

Best,
Wush