Nobuto Murata 7d78cc4b9d Bump the CHUNKSIZE to use CPU more efficiently
The chunk size used for downloading images was 64KiB for some time. That
is okay for relatively small images but the client side of CPU can be a
bottleneck especially for large images. Bump the default chunk size from
64KiB to 1MiB so we can use the client side CPU more efficiently.

[64KiB chunk size - current]
INFO cinder.image.image_utils Image download 1907.35 MB at 68.61 MB/s
-> ~ 549 Mbps

[1MiB chunk size - patched]
INFO cinder.image.image_utils Image download 1907.35 MB at 132.10 MB/s
-> 1,057 Mbps

Closes-Bug: #2020139
Change-Id: I8b6e19621fc989526b02319d88fcfde88a17eee0
2023-05-19 09:40:22 +09:00
2021-09-15 04:33:07 -04:00
2018-06-05 14:38:51 +00:00
2019-04-19 19:39:30 +00:00
2022-02-25 13:31:42 -08:00
2012-03-26 22:48:48 -07:00
2021-07-07 20:46:00 +08:00
2020-04-04 16:47:34 +02:00
2023-04-18 22:24:37 +02:00

========================
Team and repository tags
========================

.. image:: https://governance.openstack.org/tc/badges/python-glanceclient.svg
    :target: https://governance.openstack.org/tc/reference/tags/index.html
    :alt: The following tags have been asserted for Python bindings to the
          OpenStack Images API:
          "project:official",
          "stable:follows-policy",
          "vulnerability:managed".
          Follow the link for an explanation of these tags.
.. NOTE(rosmaita): the alt text above will have to be updated when
   additional tags are asserted for python-glanceclient.  (The SVG in the
   governance repo is updated automatically.)

.. Change things from this point on

===========================================
Python bindings to the OpenStack Images API
===========================================

.. image:: https://img.shields.io/pypi/v/python-glanceclient.svg
    :target: https://pypi.org/project/python-glanceclient/
    :alt: Latest Version

This is a client library for Glance built on the OpenStack Images API. It provides a Python API (the ``glanceclient`` module) and a command-line tool (``glance``). This library fully supports the v1 Images API, while support for the v2 API is in progress.

Development takes place via the usual OpenStack processes as outlined in the `developer guide <https://docs.openstack.org/infra/manual/developers.html>`_.  The master repository is in `Git <https://opendev.org/openstack/python-glanceclient>`_.

See release notes and more at `<https://docs.openstack.org/python-glanceclient/latest/>`_.

* License: Apache License, Version 2.0
* `PyPi`_ - package installation
* `Online Documentation`_
* `Launchpad project`_ - release management
* `Blueprints`_ - feature specifications
* `Bugs`_ - issue tracking
* `Source`_
* `Specs`_
* `How to Contribute`_

.. _PyPi: https://pypi.org/project/python-glanceclient
.. _Online Documentation: https://docs.openstack.org/python-glanceclient/latest/
.. _Launchpad project: https://launchpad.net/python-glanceclient
.. _Blueprints: https://blueprints.launchpad.net/python-glanceclient
.. _Bugs: https://bugs.launchpad.net/python-glanceclient
.. _Source: https://opendev.org/openstack/python-glanceclient
.. _How to Contribute: https://docs.openstack.org/infra/manual/developers.html
.. _Specs: https://specs.openstack.org/openstack/glance-specs/
.. _Release notes: https://docs.openstack.org/releasenotes/python-glanceclient
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