**Examples**

Retrieve a count of all objects on Member Node::

  curl -X GET -H "Accept: text/xml" http://mn1.dataone.org/monitor/object

  <?xml version="1.0" encoding="UTF-8"?>
  <d1:objectStatistics xmlns:d1="http://ns.dataone.org/service/types/v1">
    <count>199211</count>
  </d1:objectStatistics>


Retrieve a count of objects whose format identifier starts with "eml:"::

  curl -X GET -H "Accept: text/xml" \
    http://mn1.dataone.org/monitor/object?formatId=Seml:

  <?xml version="1.0" encoding="UTF-8"?>
  <d1:objectStatistics xmlns:d1="http://ns.dataone.org/service/types/v1">
    <count>5567</count>
  </d1:objectStatistics>


Retrieve a count of objects whose format identifier starts with "oid:"::

  curl -X GET -H "Accept: text/xml" \
    http://mn1.dataone.org/monitor/object?pid=oid:

  <?xml version="1.0" encoding="UTF-8"?>
  <d1:objectStatistics xmlns:d1="http://ns.dataone.org/service/types/v1">
    <count>354</count>
  </d1:objectStatistics>