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authorZuul <zuul@review.opendev.org>2021-07-07 16:28:55 +0000
committerGerrit Code Review <review@openstack.org>2021-07-07 16:28:55 +0000
commite2b156ec8be1306147dfe56fa14eccc6cd8c1e5b (patch)
tree00718a693f6d91838c38f1f91db3f58fe2841b70
parent6be6c5e41697a35e11d94c71c7660490e2bc4e6a (diff)
parent85212fead4eea3f00652afa2feb27abc84f372d7 (diff)
downloadironic-e2b156ec8be1306147dfe56fa14eccc6cd8c1e5b.tar.gz
Merge "Add note regarding configuration drives to tuning docs"
-rw-r--r--doc/source/admin/tuning.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/source/admin/tuning.rst b/doc/source/admin/tuning.rst
index c9c0744e1..1ecd1f78e 100644
--- a/doc/source/admin/tuning.rst
+++ b/doc/source/admin/tuning.rst
@@ -215,3 +215,9 @@ use.
wish to explore a mix of the ``direct`` deploy interface and caching
proxies. Such a configuration can be highly beneficial in wide area
deployments. See :ref:`Using proxies for image download <ipa-proxies>`.
+* If you're making use of large configuration drives, you may wish to ensure
+ you're using Swift to store them as opposed to housing them inside of the
+ database. The entire object and contents are returned whenever Ironic
+ needs to evaluate the entire node, which can become a performance impact.
+ For more information on configuration drives, please see
+ :ref:`Enabling the configuration drive <configdrive>`.