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| author | Zuul <zuul@review.openstack.org> | 2018-11-30 03:25:18 +0000 |
|---|---|---|
| committer | Gerrit Code Review <review@openstack.org> | 2018-11-30 03:25:18 +0000 |
| commit | 8446a1e58d595e18da450f52db224d56b6466e91 (patch) | |
| tree | c2a4469387a310e17f3efd6a5ae17b65889c615d /nova/conf | |
| parent | 8c318d0fb20fdfe0ae8e203245e4d4d6668c8a44 (diff) | |
| parent | 728f20e8f4ac2e3d4b893b7169b81d20471d0be9 (diff) | |
| download | nova-8446a1e58d595e18da450f52db224d56b6466e91.tar.gz | |
Merge "Add I/O Semaphore to limit concurrent disk ops"
Diffstat (limited to 'nova/conf')
| -rw-r--r-- | nova/conf/compute.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/nova/conf/compute.py b/nova/conf/compute.py index 9a404a6f21..23b124fc03 100644 --- a/nova/conf/compute.py +++ b/nova/conf/compute.py @@ -727,6 +727,15 @@ Related options: failing if ``vif_plugging_is_fatal`` is True, or simply continuing with the live migration """), + cfg.IntOpt('max_concurrent_disk_ops', + default=0, + min=0, + help=""" +Number of concurrent disk-IO-intensive operations (glance image downloads, +image format conversions, etc.) that we will do in parallel. If this is set +too high then response time suffers. +The default value of 0 means no limit. + """), ] interval_opts = [ |