Find and (safely) kill long running MongoDB queries

mongodb_find_and_kill_slow_query.js

var maxSecsRunning = 600;
var dryRun = true;

var currOp = db.currentOp();
for (var oper in currOp.inprog) {
    var op = currOp.inprog[oper-0];
    if (op.secs_running > maxSecsRunning && op.op == "command" ) {
        print("Killing opId: " + op.opid
            + " running for over secs: "
            + op.secs_running
        );
            
        if(!dryRun) {
            db.killOp(op.opid);
        }
    }
}