Disk Sizing Calculator
Available/required resources
System
Memory
Compute Nodes
VMs per Compute Node
Component
Num. of services covered
Retention
Period
Defaults
Minimums
Vertica(monitoring/ metering)
45
30
Logging
7
7
Message queue (Kafka)
0.17
0.042
Log storage (elastic search)
7
7
Audit
0
0
API/Core Services
Networking (Neutron)
Swift
MMLB
MySQL/RabbitMQ
Disk Requirement Rates ( GB per day)
Num. of services on cluster:
Filesystem
Used by
Subcomponents
base requirement
Compute Node
Virtual Machines per Compute Node
Service
System
Memory
Comments
/
60
/var/crash
1
/var/log
logging
0.2
0.1
/var/lib/mysql
monitoring, core services
0
0
0
0
60
x
x
current default value
/var/lib/rabbitmq
logging, core services
0
0
0
0
0.4
/var/vertica
MM
0
0
0
0
0
/var/kafka
MML
0
0
0
0
metering/monitoring
0
0
1.3
logging
0
0
0.4
0
0.2
/var/lib/elasticsearch
LB
0
0
0
0
logging
0.15
0.1
BURA
10
/var/lib/zookeeper
monitoring, logging, metering
0
0
0
0
1
/var/audit
logging
0
0
0
0
x
x
disabled by default
/var/lib/glance/work_dir
glance
0
0
0
0
0
disabled by default
Entry Scale
Entry Scale MML
Mid Scale