| is an in-memory running environment that is hosted on the . This environment is initialized only when a job is queued for execution on it. Designed for small- to medium-sized jobs, it offers superior performance due to its location on the and its in-memory processing.|
When you choose to run a job in the , is selected as the default running environment if it is available and the job size is estimated to small or medium.
Tip: is also used for sampling jobs that are configured to use the Quick Scan method. For more information, see Overview of Sampling.
Tip: In the Run Job page, select Photon to run the job on this running environment.
is enabled by default but can be disabled as needed.
- Scheduled jobs cannot be run on .
- cannot process numeric values with more than 16 digits. Columns containing such values are converted to String values, and the digits beyond 16 are converted to 0.
- When a recipe containing a user-defined function is applied to text data, any null characters cause records to be truncated during job execution. In these cases, please execute the job on another running environment.
- For most array functions, such as ARRAYUNIQUE and KEYS functions, the order of elements in the output cannot be guaranteed.