No suitable servers found (`serverselectiontryonce` set): [connection error calling ismaster on 'xxx.xxx.xxx.xxx:xxxx'] · Issue #425 · mongodb/mongo-php-driver · GitHub
![production environment - MongoDb Cursor has been closed. Doesn't resume after db goes down - Stack Overflow production environment - MongoDb Cursor has been closed. Doesn't resume after db goes down - Stack Overflow](https://i.stack.imgur.com/Iq6kz.png)
production environment - MongoDb Cursor has been closed. Doesn't resume after db goes down - Stack Overflow
![Experimental Feature: $backupCursorExtend in Percona Server for MongoDB - Percona Database Performance Blog Experimental Feature: $backupCursorExtend in Percona Server for MongoDB - Percona Database Performance Blog](https://www.percona.com/blog/wp-content/uploads/2021/06/backupCursorExtend-MongoDB.png)