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Subject: RE: [wsdm] Groups - OperationMetricsProposal (MowsOpMetrics.doc) uploaded
All,
I have reviewed the Operation Metrics Proposal with the CA development staff. They have suggested the addition of 4 new properties that are relevant to operations:
MaxRequestSize (obviously modeled on MaxResponseTime) MaxResponseSize LastRequestSize LastResponseSize.
Any objection to adding these as additional operational metrics? (Like service metrics, all operational metrics are optional.)
If necessary, we can discuss on Thurs. conf. callß HEATHER, please take note.
Kirk Wilson Office of the CTO 802 765-4337
-----Original
Message-----
Good catch.
Operation + ${metric} it is I think there might be a processing problem in the proposal as it current stands. When encountering a <NumberOfRequests> element, the client parser would have to check the attributes to determine whether the data is at the service level or the operation level. That might produce a backwards compatibility problem for current implementations.
I would recommend that the OperationMetrics properties also be prefaced with “Operation”, i.e. <OperationNumberOfRequests>, etc.
Kirk
Wilson Office of the CTO 802 765-4337
-----Original
Message-----
Thus quoth Wilson, Kirk D (~ 10/14/2005 11:16 AM ~)... I haven’t had time to read Fred’s proposal yet (weekend reading), but isn’t another alternative just to handle OperationMetrics as an “empty” capability (extension of MOWS metrics) and allow the designer to specify GEDs as part of an service specific extension for each metric property for each operation of interest within that service (a bit ugly and tedious)? indeed it is. That's effectively, albeit with even fewer
restrictions, the alternative mentioned below the query resource
properties. It would require each new manageable endpoint to specify
their own schema, I think, or run entirely within the extensibility
rules. Then, though, I think you need to figure out how to link them back
to this capability... By type? By some other, still-to-be-named
attribute?
Any thoughts on this? (Just as a conceptual possibility if not a practical one.)
Kirk
Wilson Office of the CTO 802 765-4337
-----Original
Message-----
I see. So we have to use QueryResourceProperties because GetResourceProperty won't be able to distinguish between operations.
From: Fred Carter [mailto:fred.carter@amberpoint.com]
Well, it's just a
properties document. So whatever query mechanism for that would have to
do -- that's a WSDM limit, I think. So this would use the
QueryResourceProperties optional call with a query expression (dialect XPath)
of How would I request the NumberOfRequests metric for just one operation? -----Original Message----- From: fred.carter@amberpoint.com [mailto:fred.carter@amberpoint.com] Sent: Friday, October 14, 2005 10:22 AM To: wsdm@lists.oasis-open.org Subject: [wsdm] Groups - OperationMetricsProposal (MowsOpMetrics.doc) uploaded This document proposes to extend the MUWS metrics capability, adding an operation name &, optionally, portType, attributes to the current set of MOWS metrics. As an example, we could report number of requests for the sample operation as <NumberOfRequests operationName="sample" ...>34</NumberOfRequests> <NumberOfRequests operationName="anotherSample" ...>3</NumberOfRequests> In this environment, any number of numberOfRequests is permitted, though they must have different operationNames, or, if the same, different portTypes, as these are the distinguishing characteristics. Document current shows changes based on the MOWS Metrics capability since it's pretty analogous. It occurred to me that this is not all that hard, so we may be able to fit it in (as was some folks recollection of the plan). My apologies to Bryan as I think we were supposed to collaborate, but he's out of town now, and I'll be out much of next week. Feel free to shoot away on the list! /fred -- fred carter The document named OperationMetricsProposal (MowsOpMetrics.doc) has been submitted by fred carter to the OASIS Web Services Distributed Management (WSDM) TC document repository. Document Description: Operation Metrics Proposed Text View Document Details: http://www.oasis-open.org/apps/org/workgroup/wsdm/document.php?document_ id=14904 Download Document: http://www.oasis-open.org/apps/org/workgroup/wsdm/download.php/14904/Mow sOpMetrics.doc PLEASE NOTE: If the above links do not work for you, your email application may be breaking the link into two pieces. You may be able to copy and paste the entire link address into the address field of your web browser. -OASIS Open Administration
-- Fred Carter / AmberPoint, Inc. mailto:fred.carter@amberpoint.com tel:+1.510.433.6525 fax:+1.510.663.6301
-- Fred Carter / AmberPoint, Inc. mailto:fred.carter@amberpoint.com tel:+1.510.433.6525 fax:+1.510.663.6301
-- Fred Carter / AmberPoint, Inc. mailto:fred.carter@amberpoint.com tel:+1.510.433.6525 fax:+1.510.663.6301 |
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