ully signed.
...
2018-02-27T04:30:11.081791Z     info    CSR successfully signed.
...
2018-02-27T04:30:25.485315Z     info    CSR successfully signed.
...</code></pre><p>The log above indicates the periodic health checking is working.
Observe that the health checking interval is about 15 seconds, which is the default health checking interval.</p><h2 id=optional-configuring-the-health-checking>(Optional) Configuring the health checking</h2><p>Optionally, adjust the health checking configuration to meet your 