# Unresponsive browser tab during long Integration sync

**URL:** <https://community.fibery.io/t/unresponsive-browser-tab-during-long-integration-sync/4620>\
**Category:** Bugs & Issues\
**Tags:** integration\
**Created:** [June 13, 2023, 6:44pm UTC](https://community.fibery.io/t/unresponsive-browser-tab-during-long-integration-sync/4620 "2023-06-13T18:44:34Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Matt\_Blais](https://sea2.discourse-cdn.com/flex020/user_avatar/community.fibery.io/matt_blais/32/1464_2.png) [@Matt\_Blais](https://community.fibery.io/u/Matt_Blais)\
**Post date:** [June 13, 2023, 6:44pm UTC](https://community.fibery.io/t/unresponsive-browser-tab-during-long-integration-sync/4620/1 "2023-06-13T18:44:34Z")

</div>

During a long (2+ hrs) sync with Custom Integration, the browser tab showing sync progress always becomes unresponsive, with huge CPU and ever-growing memory usage:

 ![image](https://us1.discourse-cdn.com/flex020/uploads/fibery/original/2X/4/4ff8fa406a5e2c376640919904c6c91d05754442.png)

After refreshing the page, usage is much more reasonable, but escalates again over time.