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How do I update a capped collection in MongoDB?
Your only option is to find a same-size update, for example update a boolean. Create new Collection not Capped and copy all your document. Copy, replace your collection name and paste in your terminal. Now, update() or remove() document is accepted.
What are capped collections in MongoDB?
Capped collections are fixed-size collections that support high-throughput operations that insert and retrieve documents based on insertion order.
Can not remove from capped collection?
No You cannot delete documents from a capped collection. And there is no possible workaround. The only thing you can do is drop() the collection. You can not use remove function for capped collection.
What should the size be of a capped collection in MongoDB?
Specify a maximum size in bytes for a capped collection. Once a capped collection reaches its maximum size, MongoDB removes the older documents to make space for the new documents. The size field is required for capped collections and ignored for other collections. Optional. The maximum number of documents allowed in the capped collection.
When to remove old documents from MongoDB collection?
If a capped collection reaches the size limit before it reaches the maximum number of documents, MongoDB removes old documents. If you prefer to use the max limit, ensure that the size limit, which is required for a capped collection, is sufficient to contain the maximum number of documents.
Is there a limit to the number of documents in MongoDB?
The maximum number of documents allowed in the capped collection. The size limit takes precedence over this limit. If a capped collection reaches the size limit before it reaches the maximum number of documents, MongoDB removes old documents.
What to do if there is no collation in MongoDB?
If no collation is specified for the collection or for the operations, MongoDB uses the simple binary comparison used in prior versions for string comparisons. For a collection, you can only specify the collation during the collection creation.