> For the complete documentation index, see [llms.txt](https://manual.soldpress.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.soldpress.com/introduction/introduction_to_data_feed_synchronization.md).

# Introduction to Data Feed Synchronization

SOLDPress schedules data feed synchronization to occur nightly at 12:00 am. Our process chunks data from the CREA DDF Feed in by 100 items into an array. Once the data is all retrieved(extract) then we begin the the transform and load process.

SOLDPress default setting uses WP-CRON to automate and schedule DDF™ data feed synchronization. Using the WP-CRON method a cron job is triggered when somebody visits your website for the first time. WP-CRON is a psudo cron service that simulates normal cron-jobs. .

Under the WP-CRON option SOLDPress schedules data feed synchronization to occur nightly at 12:00 am. If nobody has visited your website at 12:00 am the scheduled job will not be executed.

SOLDPress also allows you to option to use UNIX and SOLDPress Cron Service.

* This article can assist you in configuring the [UNIX-CRON](http://support.sanskript.com/customer/portal/articles/1250016-how-to-create-unix-cron-job).
* This link provides information on the [SOLDPress Cron Service](http://www.sanskript.com/product/soldpress-webcron/).
* This article can assist you in running a manual [Data Feed Synchronization](http://support.sanskript.com/customer/portal/articles/1291633-how-to-run-a-manual-sync-).

Please Note : You may receive a 500 timeout error. A 500 error indicates that you php script has timed out. You might have increase the php script timeout in you php.ini file.


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