Storage & Transactions

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Allow changing compression of an existing collection

I'd like to switch my database from Snappy to Zstd compression. Currently, it doesn't seem that it is possible to change the compression of an existing collection. It would be nice if there were a way to do this, even if (for example) it requi...

Guest over 3 years ago in Storage & Transactions 0 Submitted

2 VOTE

Cascading delete for DBRefs

Since transactions have been added in 2018, which work across collections (https://www.mongodb.com/docs/manual/core/transactions/) and across shards (https://www.mongodb.com/docs/manual/core/transactions-sharded-clusters/), shouldn't cascading del...

Guest over 2 years ago in Storage & Transactions 0 Submitted

1 VOTE

Easier way to troubleshoot storage use size discrepancy across nodes in the same replica set

While initial sync may potentially help on this topic, it would be great if the product has any easier way to identify the cause of significantly different storage use size (so to give a better confidence if initial sync is going to help).

Guest over 1 year ago in Storage & Transactions 0 Submitted

4 VOTE

wired

wiredTiger open files usage Currently WT uses a file per collection and index, leading in some scenarios to extremely high number of open files/dhandles. Is there any plan to support one file/dhandle per database?

Guest about 5 years ago in Storage & Transactions 0 Submitted

1 VOTE

Allow disabling auto removal for capped collections

Capped collections work as a circular buffer - when adding new documents after the size limit is reached, old documents are removed. I would like to have an option for the collection, where this behavior can be changed - instead of removing old ...

Guest almost 2 years ago in Storage & Transactions 0 Submitted

1 VOTE

tail queries functionality

We'd like to log the underlying MongoDB queries issued against the database. Similar to https://github.com/mrsarm/mongotail but something official

Guest over 2 years ago in Storage & Transactions 0 Submitted

1 VOTE

Expose individual command execution time

Many MongoDB drivers currently expose events (CommandSucceededEvent say) which provide an elapsed time. However, that elapsed time is the round-trip time, which is not super useful as that can be measured by a programmer manually. It would be neat...

Guest over 2 years ago in Storage & Transactions 0 Submitted

2 VOTE

Support for Transaction Savepoints (Nested Transactions)

The ability to partially rollback transactions to a specified point.

Guest almost 5 years ago in Storage & Transactions 1 Submitted

1 VOTE

Lock the document field (not the entire document)

Hi according to this reference: https://www.mongodb.com/blog/post/how-to-select--for-update-inside-mongodb-transactions When I lock a document with a field with a new ObjectID, the whole document is locked! Idea : Operations: i have three fiel...

Guest over 2 years ago in Storage & Transactions 0 Submitted

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