BBlack has submitted this change and it was merged. (
https://gerrit.wikimedia.org/r/379801 )
Change subject: Caches: Disable LRO
......................................................................
Caches: Disable LRO
Change-Id: If88406ffc061eedab624533275493b181fff3fb2
---
M modules/cacheproxy/manifests/performance.pp
1 file changed, 12 insertions(+), 3 deletions(-)
Approvals:
BBlack: Looks good to me, approved
jenkins-bot: Verified
diff --git a/modules/cacheproxy/manifests/performance.pp
b/modules/cacheproxy/manifests/performance.pp
index 699202a..92918da 100644
--- a/modules/cacheproxy/manifests/performance.pp
+++ b/modules/cacheproxy/manifests/performance.pp
@@ -5,6 +5,8 @@
# tweaks to support heavy load/traffic.
class cacheproxy::performance {
+ $iface_primary = $facts['interface_primary']
+
# Bump min_free_kbytes to ensure network buffers are available quickly
# without having to evict cache on the spot
vm::min_free_kbytes { 'cache':
@@ -29,21 +31,28 @@
# Larger TX queue len for 10Gbps+
interface::txqueuelen { $name:
- interface => $facts['interface_primary'],
+ interface => $iface_primary,
len => 10000,
}
# Max for bnx2x/BCM57800, seems to eliminate the spurious rx drops under
heavy traffic
interface::ring { "${name} rxring":
- interface => $facts['interface_primary'],
+ interface => $iface_primary,
setting => 'rx',
value => 4078,
+ }
+
+ # Disable LRO to avoid merging important headers for flow control and such
+ interface::offload { "${iface_primary}-lro":
+ interface => $iface_primary,
+ setting => 'lro',
+ value => 'off',
}
# RPS/RSS to spread network i/o evenly. Note this enables FQ as well,
# which must be enabled before turning on BBR congestion control below
interface::rps { 'primary':
- interface => $facts['interface_primary'],
+ interface => $iface_primary,
qdisc => 'fq flow_limit 300 buckets 8192 maxrate 1gbit',
before => Sysctl::Parameters['cache proxy network tuning'],
}
--
To view, visit https://gerrit.wikimedia.org/r/379801
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Gerrit-MessageType: merged
Gerrit-Change-Id: If88406ffc061eedab624533275493b181fff3fb2
Gerrit-PatchSet: 11
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: BBlack <bbl...@wikimedia.org>
Gerrit-Reviewer: BBlack <bbl...@wikimedia.org>
Gerrit-Reviewer: Ema <e...@wikimedia.org>
Gerrit-Reviewer: Giuseppe Lavagetto <glavage...@wikimedia.org>
Gerrit-Reviewer: jenkins-bot <>
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