Passing pgbench opts manually.

Author: arssher

devops/pgbench_run.yml

@@ -1,6 +1,5 @@
 ### Run pgbench benchmark.
-# Controlling vars: tmstmp (true/false), tname, clients, t (true/false),
-# seconds, xacts
+# Controlling vars: tmstmp (true/false), tname, pgbench_opts
 
 
 # set global var to use in all plays, oh my
@@ -20,10 +19,7 @@
 
 - hosts: workers
   vars:
-    clients: 1
-    seconds: 5
-    xacts: 100
-    t: False
+    pgbench_opts: ""
   environment:
     PATH: "{{ pg_dst }}/bin:{{ ansible_env.PATH }}"
 
@@ -32,17 +28,10 @@
     command: >
       psql -p {{ pg_port }} -U {{ ansible_user }} -c "VACUUM;"
 
-  - name: run pgbench -T {{ seconds }}
+  - name: run pgbench --report-latencies --no-vacuum {{ pgbench_opts }}
     shell: >
       pgbench -p {{ pg_port }} --report-latencies --no-vacuum
-      -c {{ clients }} -T {{ seconds }} 2>&1 > "{{ test_id }}.out"
-    when: not ( t | bool )
-
-  - name: run pgbench -t {{ xacts }}
-    shell: >
-      pgbench -p {{ pg_port }} --report-latencies --no-vacuum
-      -c {{ clients }} -t {{ xacts }} 2>&1 > "{{ test_id }}.out"
-    when: t | bool
+      {{ pgbench_opts }} 2>&1 > "{{ test_id }}.out"
 
   - name: clear log dir
     local_action: file path="res/{{ test_id }}/" state=absent

devops/readme.txt

@@ -59,7 +59,7 @@ nodes': ansible-playbook -i inventory_ec2/ psql.yml --limit 'workers' -e "cmd='\
 Create, fill and shard pgbench tables:
 ansible-playbook -i inventory_ec2/ pgbench_prepare.yml -e "scale=10 nparts=3 repfactor=0"
 Run pgbench test:
-ansible-playbook -i inventory_ec2/ pgbench_run.yml -e "tmstmp=false tname=test seconds=30"
+ansible-playbook -i inventory_ec2/ pgbench_run.yml -e 'tmstmp=false tname=t pgbench_opts="-c 1 -T 5"'
 Run pgbench on single worker (to estimate shardman overhead):
 ansible-playbook -i inventory_ec2/ pgbench_single.yml -e "scale=10 tmstmp=false tname=test t=false clients=8 seconds=15"