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Default for size limit on large objects

asked 2011-05-11 20:03:13 -0500

everett-toews gravatar image

In the documentation on Managing Large Objects ( http://docs.openstack.org/cactus/openstack-object-storage/admin/content/managing-large-objects.html (http://docs.openstack.org/cactus/open...) ) it reads, "OpenStack Object Storage has a limit on the size of a single uploaded object; by default this is 5GB."

Is this a default that can be changed somewhere?

Thanks, Everett

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answered 2011-05-11 20:09:28 -0500

notmyname gravatar image

Yes. It's set in swift/common/constraints.py

However, I wouldn't recommend changing it too much (specifically making it any bigger). The overall cluster balance is based, in part, on the size of that constant. Increasing it can cause your cluster to be more out of balance as it gets larger, and therefore you will make less efficient use of your available storage. Increasing the constant will make your cluster fill up more quickly.

--John

On May 11, 2011, at 3:05 PM, Everett Toews wrote:

New question #157089 on OpenStack Object Storage (swift): https://answers.launchpad.net/swift/+...

In the documentation on Managing Large Objects ( http://docs.openstack.org/cactus/open... ) it reads, "OpenStack Object Storage has a limit on the size of a single uploaded object; by default this is 5GB."

Is this a default that can be changed somewhere?

Thanks, Everett


You received this question notification because you are a member of Swift Core, which is an answer contact for OpenStack Object Storage (swift).

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answered 2011-05-11 20:20:54 -0500

everett-toews gravatar image

Thanks for the quick reply and the instructive warning!

Everettt

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answered 2011-05-11 20:20:58 -0500

everett-toews gravatar image

Thanks John Dickinson, that solved my question.

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Asked: 2011-05-11 20:03:13 -0500

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Last updated: May 11 '11