Collection dropped / oplog

[richardwilly98]

Hi,

If a collection is dropped in a replica set how each node is notified?

I cannot any information stored in oplog.rs

I currently use oplog.rs for replication between MongoDB and another application and I'd need to way to be nodified when a collection is dropped.

Thanks,

   Richard.

[richardwilly98]

Hi,

Apparently the entry exists in oplog.rs:

{

        "ts" : {

                "t" : 1368802405,

                "i" : 1

        },

        "h" : NumberLong("894799308761633780"),

        "v" : 2,

        "op" : "c",

        "ns" : "mydb.$cmd",

        "o" : {

                "drop" : "mycollec"

        }

}

What c means for op attribute?

Thanks,

  Richard.

[Bernie Hackett]

"c" means "command", in this case "drop". See here for the rest:

https://github.com/mongodb/mongo/blob/master/src/mongo/db/repl/oplog.h#L43-L49

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