Is network congestion the primary concern when load balancing Glance?

asked 2015-09-19 16:31:52 -0500

anonymous user


To load balance Glance in OpenStack, the book OpenStack Essentials recommends using a shared storage device. The book describes connecting this device to two different Glance repositories. I see this configuration as potentially balancing network traffic and providing redundancy there. But I see this configuration as not helping read/write demands on the shared device. I would think that load balancing Glance would be mostly important for I/O on the disk of images.

Is the load balancing of network traffic a big concern for Glance (and not disk I/O)?

Perhaps the book presumes the reader to have limited resources and balancing the I/O would involve replication and considerable work to achieve.

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