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Table of Contents
This guide contains information for end-users of the WS MDS Index Service. The Index Service collects information about grid resources and publishes them as service group entries.
The index service exposes information via service groups and is accessed using the same command-line tools used to query other WSRF services for information. These tools are part of Java WS Core.
- wsrf-query performs a query on a resource property document
- wsrf-get-property gets a single resource property
- wsrf-get-properties gets multiple resource properties.
There is no GUI specifically for the Index Service. The release contains WebMDS" which can be used to display monitoring information collected in an Index Service in a normal web browser.
General troubleshooting information can be found in Section 4, “Troubleshooting”.
The following WS MDS-specific usage statistics are sent in a UDP packet every 60 minutes, in addition to the standard header information described in the Usage Stats section.
- Service Name (service group)
- Total number of registrations i.e., successfully invoked service group add operations made against the resource during its lifetime
- Current number of registrants (service group entries)
- The resource creation time
![[Note]](/docbook-images/note.gif) | Note |
|---|---|
The client (mds-servicegroup-add) does NOT send any data. It is the server components that send the usage statistics. |
Also, please see our policy statement on the collection of usage statistics.