topic When do I start getting charged for a DBU? Am I charged for cluster spin up time? in Data Engineering https://community.databricks.com/t5/data-engineering/when-do-i-start-getting-charged-for-a-dbu-am-i-charged-for/m-p/26856#M18861 Fri, 14 May 2021 19:16:17 GMT User16790091296 2021-05-14T19:16:17Z When do I start getting charged for a DBU? Am I charged for cluster spin up time? https://community.databricks.com/t5/data-engineering/when-do-i-start-getting-charged-for-a-dbu-am-i-charged-for/m-p/26856#M18861 Fri, 14 May 2021 19:16:17 GMT https://community.databricks.com/t5/data-engineering/when-do-i-start-getting-charged-for-a-dbu-am-i-charged-for/m-p/26856#M18861 User16790091296 2021-05-14T19:16:17Z Re: When do I start getting charged for a DBU? Am I charged for cluster spin up time? https://community.databricks.com/t5/data-engineering/when-do-i-start-getting-charged-for-a-dbu-am-i-charged-for/m-p/26857#M18862 <P><I>Databricks starts to charge for DBUs once the virtual machine is up and the Spark context is initialized, which may include a portion of start up costs, but not all. Init scripts are loaded before the Spark context is initialized, which therefore would not be included in DBU usage.</I></P><P></P><P>More info here: <A href="https://forums.databricks.com/questions/15245/are-dbus-assessed-for-when-instances-are-booting-u.html" alt="https://forums.databricks.com/questions/15245/are-dbus-assessed-for-when-instances-are-booting-u.html" target="_blank"><U></U></A><A href="https://forums.databricks.com/questions/15245/are-dbus-assessed-for-when-instances-are-booting-u.html" target="test_blank">https://forums.databricks.com/questions/15245/are-dbus-assessed-for-when-instances-are-booting-u.html</A></P><P> Cluster Best practices for cost optimization: <A href="https://docs.databricks.com/administration-guide/capacity-planning/cmbp.html" alt="https://docs.databricks.com/administration-guide/capacity-planning/cmbp.html" target="_blank"><U></U></A><A href="https://docs.databricks.com/administration-guide/capacity-planning/cmbp.html" target="test_blank">https://docs.databricks.com/administration-guide/capacity-planning/cmbp.html</A></P><P></P> Fri, 14 May 2021 19:17:38 GMT https://community.databricks.com/t5/data-engineering/when-do-i-start-getting-charged-for-a-dbu-am-i-charged-for/m-p/26857#M18862 User16790091296 2021-05-14T19:17:38Z