Open Stack

Hi,

Great to see some renewed interest in metadata search for Swift. We are 
working on this, and would be glad if there is renewed interest from the 
community. 

I saw your comments on thew wiki discussion page and they look good to me. 
I just added some additional comments about Data Types and System Metadata 
to the same page (I posted these to the mailing list a while back). 

Best regards
Paula

Paula Ta-Shma, Ph.D.
Storage Research
IBM Research - Haifa
Phone: +972.3.7689402
Email: paula at il.ibm.com




From:   <hagiwarayuj at nttdata.co.jp>
To:     <openstack-dev at lists.openstack.org>, 
Cc:     <lincoln.thomas at hp.com>, Paula Ta-Shma/Haifa/IBM at IBMIL, 
<bcline at softlayer.com>, <moritakzt at nttdata.co.jp>, 
<kajinamit at nttdata.co.jp>, <hagiwarayuj at nttdata.co.jp>
Date:   02/09/2014 12:54 PM
Subject:        [Swift] Proposal for improving Metadata Search API



Hi,

At NTT Data, we work on system development projects with Swift.
Recently we have big interest in the metadata search feature of Swift, and 
now we're planning to construct a search function into Swift.

I checked some materials on wiki page 
http://wiki.openstack.org/wiki/MetadataSearch to consider a detailed plan.
I found some discussions about the metadata search, but I cannot find any 
information about recent progresses.
Is there any progresses about the metadata search ?

I also checked the API document 
http://wiki.openstack.org/wiki/MetadataSearchAPI to make the specification 
of our metadata search based on community's standard, and I think this 
specification has a full featured API.
However, the detail formats of HTTP request and HTTP response, such as 
headers and response codes, are not clearly defined in this specification.

These formats about a HTTP message are necessary for implementations of 
clients, and without strict definition, clients may get confused.

I added my suggestions about HTTP headers and response codes to the Wiki 
discussion page https://wiki.openstack.org/wiki/Talk:MetadataSearchAPI
Does anyone have comments?

p.s. I also found some typos in the chapter 10 and fixed them.

Best regards,

Yuji Hagiwara
NTT DATA Corporation


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