ironic/releasenotes/notes/ipa-streams-raw-images-1010...

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---
features:
- The Agent deploy driver now streams raw images
directly to disk (instead of staging in memory) by
default.
upgrade:
- The Agent deploy driver now streams raw images
directly to disk (instead of staging in memory) by
default; this can be turned off by setting the
[agent]stream_raw_images configuration option to False.
Streaming may be undesirable if the disk the image is being
written is significantly slower than the network.
fixes:
- Because the agent deploy driver now streams raw images
directly to disk, images larger than the RAM available
to the deploy ramdisk will no longer fail to deploy.