how can I delete the files under the journal file of mongodb?
produced a lot of tables before, so some were deleted, but this folder still has more than 60 gigabytes, which is much larger than the size of the existing tables.
how to clean it up?
how can I delete the files under the journal file of mongodb?
produced a lot of tables before, so some were deleted, but this folder still has more than 60 gigabytes, which is much larger than the size of the existing tables.
how to clean it up?
Nobody?
I currently have a query using mongodb3.4, that needs to be paged. Paging needs to return the total number and number of pages. but that s the problem. Paging queries are fast, but counting is slow . The count statement is as follows: db.message.fin...
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problem description There are two indexes in mongo, the first is a single-field index of the {_ id} field, and the second index is a composite index composed of {chat_id, _ id}. When I use the query db.collection.find ({ "chat_id ": ObjectId ( "* ")...