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The value can be query, insert, update, delete, or command. ns: target collection For details, see the db.currentOp() command in official document. Based on the command output, check whether there are requests that take a long time to process.
When a request (such as query, update, and delete) requires a full table scan, a large amount of CPU resources are occupied. If you find COLLSCAN in the slow query log, CPU resources may be occupied.
Attempting to delete, rename, change the passwords, or change privileges for these accounts will result in errors. You can change the password of the database administrator rwuser and any accounts you create.
Will My Backups Be Deleted If I Delete My Cloud Account? Are My DDS DB Instances Available When Scaling? More Parameter and Metric What DB Instance Monitoring Metrics Do I Need to Pay Attention To? What Can I Do If the Disk Usage Is Too High?
Then, delete the original database and table after ensuring that your services are normal.
Then, delete the original database and table after ensuring that your services are normal.
Geospatial Commands geoNear √ √ √ - geoSearch √ √ √ - Query and Write Operation Commands find √ √ √ - insert √ √ √ - update √ √ √ - delete √ √ √ - findAndModify √ √ √ - getMore √ √ √ - getLastError √ √ √ - resetError √ √ √ - getPrevError √ √ √ - parallelCollectionScan √ √ √ - Query
When a request (such as query, update, and delete) requires a full table scan, a large amount of memory resources are occupied. If you find COLLSCAN in the slow query log, memory resources may be occupied.
In these cases, delete unnecessary resources or expand the capacity. shard Nodes The value ranges from 2 to 32. You can add nodes to an instance after it is created if necessary.
In these cases, delete unnecessary resources or expand the capacity. Disk Encryption Disabled: Disable encryption. Enabled: Enable encryption. This feature improves data security but slightly affects read/write performance.
In these cases, delete unnecessary resources or expand the capacity. Disk Encryption Disabled: Disable encryption. Enabled: Enable encryption. This feature improves data security but slightly affects read/write performance.
In these cases, delete unnecessary resources or expand the capacity. shard Nodes The value ranges from 2 to 32. You can add nodes to an instance after it is created if necessary.
In these cases, delete unnecessary resources or expand the capacity. shard Nodes 2 The value ranges from 2 to 32. You can add nodes to an instance after it is created if necessary.
In these cases, delete unnecessary resources or expand the capacity. shard Nodes The value ranges from 2 to 32. You can add nodes to an instance after it is created if necessary.
You are advised to periodically delete unnecessary collections.
On the Tags page, you can also modify or delete the tags. In addition, you can quickly search for and filter specified instances by tag. You can add a tag to an instance after the instance is created. For details, see Adding a Tag.
Restrictions on Transaction Operations For transactions: You can specify Create/Retrieve/Update/Delete (CRUD) operations on existing collections. The collections used in a transaction can be in different databases.
Will I Be Charged for Manual Backups of Deleted DB Instances? Yes. Manual backups are retained by default after your DB instances are deleted. The manual backups are billed based on the OBS pricing. Parent topic: Backup and Restoration
