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QuotaExceededError for kl-post-identification-sync


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I recently started getting this error:

Failed to execute 'setItem' on 'Storage': Setting the value of 'kl-post-identification-sync' exceeded the quota.

In the screenshot, kl-post-identification-sync is taking a lot of space. The limit for localstorage is 5000KB and klaviyo is talking 8000KB to store the data. How can I fix this issue? This can affect the usability of the website in places where we use localstorage

Best answer by MANSIR2094

Yes, you can clear data older than 1 day from kl-post-identification-sync to free up space. This shouldn’t affect Klaviyo’s functionality as it mainly uses recent data for tracking.

To ensure smooth operations:

A script can be implemented to delete entries older than 24 hours.

Testing this in a staging environment is recommended to confirm no disruptions.

I’d be happy to help you set this up quickly and efficiently. Let me know if we can proceed!

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3 replies

MANSIR2094
Problem Solver IV
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  • Problem Solver IV
  • 174 replies
  • January 23, 2025

Hello ​@bhavaypuri ,

Thank you for sharing the details of the issue you're facing. I understand how critical it is to maintain the usability of your website, especially with localStorage-related challenges like this.

 

The error you're encountering is due to the kl-post-identification-sync exceeding the browser’s localStorage quota, which is typically 5000KB. When this limit is breached, the storage fails to save additional data, leading to the error you're seeing.

 

This often happens when too much data is being stored in localStorage by Klaviyo, possibly due to unnecessary data accumulation or lack of periodic clean-up. Here are a few immediate strategies to address the issue:

1. Data Optimization: Review the data being stored by Klaviyo and identify unnecessary or redundant entries.

Compress or truncate data wherever possible to reduce its size

 

2. Use Alternative Storage Options: Offload some of the larger or less frequently accessed data to sessionStorage or cookies.

Consider leveraging server-side storage or IndexedDB for more complex data handling.

3. Regular Cleanup: Implement a script to monitor and clean up outdated or unused localStorage items.

 


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  • Author
  • Contributor I
  • 1 reply
  • January 23, 2025

In localstorage, I found out that klaviyo has 2 weeks old data, can I clear entire kl-post-identification-sync data if it’s older than 1 day? I hope that does not affect klaviyo’s functionality.


MANSIR2094
Problem Solver IV
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  • Problem Solver IV
  • 174 replies
  • Answer
  • January 23, 2025

Yes, you can clear data older than 1 day from kl-post-identification-sync to free up space. This shouldn’t affect Klaviyo’s functionality as it mainly uses recent data for tracking.

To ensure smooth operations:

A script can be implemented to delete entries older than 24 hours.

Testing this in a staging environment is recommended to confirm no disruptions.

I’d be happy to help you set this up quickly and efficiently. Let me know if we can proceed!