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How to fix MongoDB Error Code – 116 – DocTooLargeForCapped

How to Fix MongoDB Error Code – 116 – DocTooLargeForCapped

MongoDB is a popular NoSQL database that offers high performance, scalability, and flexibility. However, like any other software, it can encounter errors that need to be addressed. One such error is MongoDB Error Code – 116 – DocTooLargeForCapped. In this article, we will explore what this error means and how to fix it.

Understanding MongoDB Error Code – 116 – DocTooLargeForCapped

When working with MongoDB, you may come across the error message “DocTooLargeForCapped.” This error occurs when you try to insert a document into a capped collection that exceeds the maximum size limit defined for that collection.

A capped collection is a fixed-size collection that maintains insertion order. It is often used for logging or caching purposes, where old data is automatically removed when the collection reaches its maximum size. By default, capped collections have a maximum size of 4MB.

When you attempt to insert a document larger than the maximum size into a capped collection, MongoDB throws the Error Code – 116 – DocTooLargeForCapped.

Fixing MongoDB Error Code – 116 – DocTooLargeForCapped

To fix this error, you have a few options:

1. Increase the Maximum Size of the Capped Collection

If the document you are trying to insert is larger than the maximum size of the capped collection, you can increase the maximum size. To do this, you need to convert the capped collection into a regular collection, change the size, and then convert it back to a capped collection.

Here’s an example of how you can achieve this using the MongoDB shell:

db.runCommand({ convertToCapped: 'yourCollectionName', size: newMaxSizeInBytes })

Replace ‘yourCollectionName’ with the name of your collection and ‘newMaxSizeInBytes’ with the desired maximum size in bytes.

2. Modify the Document to Fit within the Maximum Size

If increasing the maximum size of the capped collection is not an option, you can modify the document to fit within the size limit. This may involve removing unnecessary fields, compressing data, or splitting the document into smaller parts.

3. Use a Regular Collection Instead

If the capped collection is not essential for your use case, you can consider using a regular collection instead. Regular collections do not have a maximum size limit, allowing you to store larger documents without encountering the DocTooLargeForCapped error.

Summary

In conclusion, MongoDB Error Code – 116 – DocTooLargeForCapped occurs when you try to insert a document into a capped collection that exceeds the maximum size limit. To fix this error, you can increase the maximum size of the capped collection, modify the document to fit within the size limit, or use a regular collection instead.

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