Merge ~hloeung/launchpad-mojo-specs:lp-git into launchpad-mojo-specs:master

[Haw Loeung]

lp-git: Apply William's suggested HAproxy tuning

These changes were made per ~IS-Outage to fix intermittent issues with LP git over the weekend.

[Barry Price (barryprice)]

LGTM +1

review: Approve

[Guruprasad (lgp171188)]

LGTM 👍

review: Approve

diff --git a/lp-git/bundle.yaml b/lp-git/bundle.yaml
index 31ba72f..a4e9f89 100644
--- a/lp-git/bundle.yaml
+++ b/lp-git/bundle.yaml
@@ -141,6 +141,7 @@ applications:
       default_timeouts: "queue 20000, client 3600000, connect 5000, server 3600000"
       enable_monitoring: True
       global_default_dh_param: 2048
+      global_maxconn: 50000
       global_stats_socket: True
       monitoring_allowed_cidr: "{{ monitoring_allowed_cidr }}"
       monitoring_stats_refresh: 3600
@@ -158,7 +159,8 @@ applications:
             - <FE> stick-table type string size 100 expire 15m store conn_cur
             - <FE> http-request track-sc0 path if global_connlimit !unrestricted_networks
             - <FE> http-request deny deny_status 503 if global_connlimit { sc0_conn_cur ge 10 } !unrestricted_networks
-            - maxconn 250
+            - <FE> timeout http-keep-alive 5000
+            - maxconn 4000
 {%- if not devel %}
             - 'rspadd Strict-Transport-Security:\ max-age=15768000'
 {%- endif %}