From 9c2e0b81d5143c421cb1c36437841cd556ad410e Mon Sep 17 00:00:00 2001
From: Doug Szumski <doug@stackhpc.com>
Date: Tue, 25 Sep 2018 11:03:16 +0000
Subject: [PATCH] Support configuring Monasca Persister performance
On a single node deployment, the Monasca persister can
limit the rate at which Monasca can persist metrics to
InfluxDB. Increasing the thread count can remove this
bottle neck.
Partially-Implements: blueprint monasca-roles
Change-Id: I763a5ae6aa8c8ab3bf766ab5b58c386da74a188b
---
ansible/roles/monasca/defaults/main.yml | 1 +
.../roles/monasca/templates/monasca-persister/persister.conf.j2 | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/ansible/roles/monasca/defaults/main.yml b/ansible/roles/monasca/defaults/main.yml
index a95acc25a3..8e80bdb5ea 100644
--- a/ansible/roles/monasca/defaults/main.yml
+++ b/ansible/roles/monasca/defaults/main.yml
@@ -123,6 +123,7 @@ monasca_periodic_notifications_period: 60
# the total number of threads across all instances of a service does not
# exceed the Kafka topic partition count.
monasca_log_pipeline_threads: 2
+monasca_metric_pipeline_threads: 2
####################
# Docker
diff --git a/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2 b/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
index 2610c5b49f..ac0681a4dd 100644
--- a/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
+++ b/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
@@ -17,7 +17,7 @@ num_processors = 1
[kafka_metrics]
uri = {{ monasca_kafka_servers }}
topic = {{ monasca_metrics_topic }}
-num_processors = 1
+num_processors = {{ monasca_metric_pipeline_threads }}
[zookeeper]
uri = {{ monasca_zookeeper_servers }}