yahoo-eng-team team mailing list archive

[Alexandra Settle <a.settle@xxxxxxxxxxx>]

If this should be added to the dev docs, throwing back over the fence to
horizon :)

Thanks team.

** Also affects: horizon
   Importance: Undecided
       Status: New

** Changed in: openstack-manuals
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1439443

Title:
      Fix web-server memory overrun when downloading objects from Swift

Status in OpenStack Dashboard (Horizon):
  New
Status in openstack-manuals:
  Invalid

Bug description:
  https://review.openstack.org/161204
  commit 46405d456d9b056e648a4e60235b4c1b251f1236
  Author: Timur Sufiev <tsufiev@xxxxxxxxxxxx>
  Date:   Wed Mar 4 16:15:04 2015 +0300

      Fix web-server memory overrun when downloading objects from Swift
      
      To prevent memory overrun when downloading large objects from Swift
      * `resp_chunk_size` keyword should be passed to swiftclient
      * `obj.data` iterator returned from swiftclient is passed to HttpResponse
        (or StreamingHttpResponse for Django>=1.5) as usual since both response
        classes work with iterators/files/byte strings (yet StreamingHttpResponse
        does it better).
      
      The commit introduces new setting SWIFT_FILE_TRANSFER_CHUNK_SIZE that
      defines the size of chunk in bytes for Swift objects downloading.
      
      DocImpact
      
      Change-Id: I18e5809b86bfa24948dc642da2a55dffaa1a4ce1
      Closes-Bug: #1427819

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