openstack/devstack
Code Issues Proposed changes

attempt to cut api workers in half

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One of the key reasons for the large number of API_WORKERS was that
mysql would block API workers, so would start rejecting work. Now with
the python mysql driver we should be eventlet aware, and life should
be good.

Let's see if this works.

Change-Id: Iaf8730a4dcdc30ef390795bfb5fb73ec3cd665fe
This commit is contained in:
Sean Dague 2015-09-23 10:36:53 -04:00
parent f560df36cc
commit 1ce19ab76d
2 changed files with 3 additions and 1 deletions
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2
lib/nova
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@ -607,6 +607,8 @@ function create_nova_conf {
iniset $NOVA_CONF DEFAULT osapi_compute_workers "$API_WORKERS"
iniset $NOVA_CONF DEFAULT ec2_workers "$API_WORKERS"
iniset $NOVA_CONF DEFAULT metadata_workers "$API_WORKERS"
# don't let the conductor get out of control now that we're using a pure python db driver
iniset $NOVA_CONF conductor workers "$API_WORKERS"
iniset $NOVA_CONF cinder os_region_name "$REGION_NAME"

2
stackrc
View File

@ -631,7 +631,7 @@ SERVICE_PROTOCOL=${SERVICE_PROTOCOL:-http}
# the memory used where there are a large number of CPUs present
# (the default number of workers for many services is the number of CPUs)
# Also sets the minimum number of workers to 2.
API_WORKERS=${API_WORKERS:=$(( ($(nproc)/2)<2 ? 2 : ($(nproc)/2) ))}
API_WORKERS=${API_WORKERS:=$(( ($(nproc)/4)<2 ? 2 : ($(nproc)/4) ))}
# Service startup timeout
SERVICE_TIMEOUT=${SERVICE_TIMEOUT:-60}