Feature #3707

Cache HEAD response headers of upload_object

Added by Dionysis Zindros almost 8 years ago. Updated almost 8 years ago.

Status:Closed Start date:05/09/2013
Priority:Low Due date:05/16/2013
Assignee:Stavros Sachtouris % Done:

100%

Category:kamaki Spent time: 2.00 hours
Target version:v0.9 Estimated time:2.00 hours

Description

When using client.upload_object, the first HTTP request to the server is a HEAD request. This request is used to obtain block size and other meta-information about the server, as well as a check that the server is up and running. This normally returns a "204 No Content" response with the appropriate headers, and the object is subsequently uploaded using several PUT and POST requests.

When issuing a second client.upload_object call, the HEAD request is repeated to obtain the meta-information from the server a second time. As the client object upon which the method is called is container- and server- specific with this information provided to it during construction, this request is redundant. Please modify it so that the response of the HEAD request (the "x-container-block-hash" header) is cached during the first object upload and subsequent calls to client.upload_object() only issue PUT and POST requests directly without a leading HEAD request. The first PUT request can also be used to determine whether the server is up and running.


Related issues

blocks ./kamaki - Feature #3735: Limit container info requests to one per upload session Closed 05/15/2013 05/15/2013

Associated revisions

Revision 76ebf97c
Added by Stavros Sachtouris almost 8 years ago

Add a container_infor_cache param to upload_object

Each upload involves a request that retrieves block size and hash information.
In higher level applications, this request is redudant after the first upload.
This feature allows higher level operations to cache retrieved container info
in a session.

Refs: #3707

Revision 0ef0db9f
Added by Stavros Sachtouris almost 8 years ago

Update unitest to include container_info_cache

Refs: 3707

Revision 14c72dbd
Added by Stavros Sachtouris almost 8 years ago

Adjust pithos livetest to use container_info_cache

Refs: #3707

Revision 9550a759
Added by Stavros Sachtouris almost 8 years ago

Update changelog for upload's container_info_cache

Refs: #3707

History

#1 Updated by Stavros Sachtouris almost 8 years ago

  • Due date set to 05/16/2013
  • Estimated time set to 2.00

#2 Updated by Stavros Sachtouris almost 8 years ago

  • Status changed from New to Resolved
  • % Done changed from 0 to 100

#3 Updated by Stavros Sachtouris almost 8 years ago

  • Status changed from Resolved to Closed

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