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on 03-09-202101:03 PM - edited on 07-21-202103:51 PM by HenrietteH
The local staging functionality of the Snowflake Bulk Loader allows you to stage files locally before writing them to Snowflake. This is beneficial if you do not have access to an Amazon S3 bucket to stage files. This article describes the manner in which Alteryx writes files to Snowflake utilizing the local staging mechanism.
1. First, Alteryx writes CSV or GZipped CSV files into a folder in the engine temp directory (Typically %ProgramData%\Alteryx\Engine) named ayx_local_staging_SomeHash. The size of these files is determined by the chunking size set by the user in the file format options of the output data tool.
2. Next, Alteryx tells the Snowflake driver where these files are located, and the driver starts transferring them to the stage in Snowflake that was selected during the initial setup of the connection (Internal Named, User, or Table stage). Alteryx utilizes the PUT command here to transfer the files.