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Increase size of connection tracking table #1328

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Increase size of connection tracking table #1328

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3 changes: 2 additions & 1 deletion etc/kayobe/compute.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,8 @@
# Compute node sysctl configuration.

# Dict of sysctl parameters to set.
#compute_sysctl_parameters:
compute_sysctl_parameters:
net.netfilter.nf_conntrack_max: 1048576

###############################################################################
# Compute node tuned configuration.
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3 changes: 2 additions & 1 deletion etc/kayobe/controllers.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,8 @@
# Controller node sysctl configuration.

# Dict of sysctl parameters to set.
#controller_sysctl_parameters:
controller_sysctl_parameters:
net.netfilter.nf_conntrack_max: 1048576

###############################################################################
# Controller node tuned configuration.
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3 changes: 2 additions & 1 deletion etc/kayobe/storage.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,8 @@
# Storage node sysctl configuration.

# Dict of sysctl parameters to set.
#storage_sysctl_parameters:
storage_sysctl_parameters:
net.netfilter.nf_conntrack_max: 1048576

###############################################################################
# Storage node tuned configuration.
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7 changes: 7 additions & 0 deletions releasenotes/notes/bump-conntrack-table-size-c2d08f2aac04d23f.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
---
fixes:
- |
Increases maximum size of connection tracking tables to 1,048,576 entries
on controllers, compute and storage hosts. This is to work around loss of
connectivity when the conntrack table becomes full under high Cinder/Glance
activity or high traffic to Octavia amphorae.
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