# Compare current data with data from the last 2 days

**URL:** <https://discourse.nodered.org/t/compare-current-data-with-data-from-the-last-2-days/45787>\
**Category:** General\
**Created:** [17 May 2021 13:47 UTC](https://discourse.nodered.org/t/compare-current-data-with-data-from-the-last-2-days/45787 "2021-05-17T13:47:09Z")\
**Posts on this page:** 1\
**Showing post:** 19

<div class="post-metadata">

**Author:** ![zenofmud](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/zenofmud/32/316_2.png) [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Post date:** [2 June 2021 10:42 UTC](https://discourse.nodered.org/t/compare-current-data-with-data-from-the-last-2-days/45787/19 "2021-06-02T10:42:10Z")

</div>

Did you change the settings.js file to store the context to the local file system?

This thread might help you understand persistent context ; [A guide to understanding 'Persistent Context' - #88 by Colin](https://discourse.nodered.org/t/a-guide-to-understanding-persistent-context/4115/88)

---

_[View the full topic](https://discourse.nodered.org/t/compare-current-data-with-data-from-the-last-2-days/45787)._