Pinecone is a vector database designed to simplify the process of building and deploying machine learning applications. It provides a scalable and efficient way to manage vector data, which is essential for applications involving similarity search, recommendation systems, and more. Pinecone abstracts the complexities of infrastructure, allowing developers to focus on building intelligent applications.
When working with Pinecone, you might encounter an error message indicating an 'InvalidMetadataValue'. This error typically appears when attempting to insert or update data with metadata that does not meet Pinecone's specifications. The error message may look something like this:
{
"error": "InvalidMetadataValue",
"message": "The metadata value provided is invalid or not supported."
}
The 'InvalidMetadataValue' error occurs when the metadata associated with your vectors does not conform to the expected format or contains unsupported data types. Pinecone requires metadata to be in a specific format, usually as key-value pairs, where the values must be of a supported type such as strings, numbers, or booleans.
To resolve the 'InvalidMetadataValue' error, follow these steps:
Ensure that your metadata is formatted correctly. Metadata should be a dictionary of key-value pairs, where keys are strings and values are of supported types. For example:
{
"category": "electronics",
"price": 299.99,
"in_stock": true
}
Verify that all metadata values are of supported types. Pinecone supports strings, numbers, and booleans. Avoid using complex data types like lists or nested dictionaries.
Ensure that the metadata does not exceed the size limitations set by Pinecone. If your metadata is too large, consider simplifying it or removing unnecessary information.
Before inserting or updating your data, test with a small set of valid metadata to ensure that it is accepted by Pinecone. Use the following command to insert data with metadata:
curl -X POST "https://your-pinecone-instance/vectors" \
-H "Content-Type: application/json" \
-d '{
"vectors": [
{
"id": "vector1",
"values": [0.1, 0.2, 0.3],
"metadata": {
"category": "electronics",
"price": 299.99
}
}
]
}'
For more information on Pinecone's metadata requirements, visit the Pinecone Metadata Documentation. If you continue to experience issues, consider reaching out to Pinecone Support for further assistance.
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