Storage System Performance Specifications

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This page illustrates IOPS under various conditions for Unified Communications applications. This area is under construction. Check back frequently for updates.

Contents

Unified Communications Manager

This section provides the IOPS data for a Cisco Unified Communications Manager system under load. These values are per active VM OVA. Which VM OVAs are active, and how many are active simultaneously, depends on how the CUCM cluster nodes are setup with respect to service activation, redundancy groups, etc. (see www.cisco.com/go/ucsrnd for details).

CUCM storage access is on average 93-98% sequential writes with an IO block size of 4 kilobytes.

  • Active call processing: As a reference, the following steady state IOPS were observed at various loads (expressed in Busy Hour Call Attempts):
  • 10K BHCA produces ~ 35 IOPS
  • 25K BHCA produces ~ 50 IOPS
  • 50K BHCA produces ~ 100 IOPS
  • 100K BHCA produces ~ 150 IOPS
  • Software upgrades during business hours generate 800 to 1200 IOPS in addition to steady state IOPS.
  • CDR/CMR via CDR Analysis and Reporting (CAR)
    • CUCM sending CDR/CMR to the external billing server does not incur any additional IOPS.
    • Enabling CAR continuous loading results in around 300 IOPS average on the system.
    • Scheduled uploads are around 250 IOPS for Publisher's VM only.
  • Trace collection is 100 IOPS (occurs on all VMs for which tracing is enabled).
  • Nightly backup (usually Publisher's VM only) is 50 IOPS.

Cisco Emergency Responder

100 IOPS is a good typical value to plan around. Otherwise use values for Cisco Unified Communications Manager above (they will be conservatively high).

Cisco Intercompany Media Engine

Use values for Cisco Unified Communications Manager above (they will be conservatively high).

Cisco Unity Connection

Summary of IOPS for Unity Connection

IOPS Type 1vCPU 2vCPU 4vCPU 7vCPU
Avg Total 78.66 129.01 217.89 201.73
Peak Total 760.99 714.06 867.88 773.70
Avg Read 5.90 19.60 45.67 9.53
Peak Read 601.84 469.46 693.21 526.22
Avg Write 72.77 109.40 172.22 192.20
Peak Write 247.14 293.51 371.97 413.50


TelePresence Applications

For Cisco TelePresence Manager and Cisco TelePresence Multipoint Switch: 100 IOPS is a good typical value to plan around. Otherwise use values for Cisco Unified Communications Manager above (they will be conservatively high).

Unified Presence

The CUP 1000 user OVA generates about 60 IOPS during steady-state. Expect similar peaks as CUCM during backups and upgrades.

Cisco Unified Attendant Consoles

This section provides the IOPS data for Cisco Unified Attendant Consoles (using Enterprise Attendant Console to produce heaviest load). Load test and average operations are represented. These tests use the published OVA template for Cisco Unified Attendant Consoles.

LOAD TESTING

IOPS (Read)
IOPS (Write)

Min Max Average
Min Max Average Operating Conditions
Cisco Unified Attendant Console Server 0 1013.605 0.442
0 1112.87 12.121 5,000 calls per hour, 25 concurrent operators, continuous LDAP sync, full logging
Upgrade 0 320.006 3.691
0 105.001 10.341 Major upgrade
AVERAGE OPERATIONS

IOPS (Read)
IOPS (Write)

Min Max Average
Min Max Average Operating Conditions
Cisco Unified Attendant Console Server 0 11.6 0.092
0 561.05 10.82 Synchronized directory, cached BLF, minimum online changes
Upgrade 0 107.001 5.751
0 50 3.57 Minor upgrade



Cisco Customer Collaboration/Contact Center

Cisco Contact Center Enterprise

The SAN must be able to handle the following Unified CCE application disk I/O characteristics.

 

The data below is based on CCE 8.5(3) running on Windows Server 2008 R2 Enterprise  

Unified CCE Component IOPS Disk Read KBytes / sec Disk Write KBytes / sec Operating Conditions
Peak Avg. 95th Pct Peak Avg. 95th Pct Peak Avg. 95th Pct.
Router 27 14 19 619 11 12 436 246 313 12,000 agent;100 CPS, ECC: 5 scalars @ 40 bytes each; 200 Reporting users at max query load
Logger 3662 917 1793 12821 735 11571 38043 2777 11832
HDS 1017 321 693 2748 250 2368 19351 1441 3879
Router 118 11 13 1681 14 5 971 66 172 8,000 agents;60 CPS; ECC:5 scalars @ 40 bytes each; 200 Reporting users at max query load
Logger 1614 502 1065 6137 341 4993 30379 558 5911
HDS 1395 165 541 1995 186 1776 12525 1299 2965


The data below is based on CCE 8.0(2) running on Windows Server 2003 R2

Unified CCE Component IOPS Disk Read KBytes / sec Disk Write KBytes / sec Operating Conditions
Peak Avg. 95th Pct. Peak Avg. 95th Pct. Peak Avg. 95th Pct.


Router 20 8 10 520 30 180 400 60 150 8,000 agents; 60 cps; ECC: 5 scalars @ 35 bytes each; No reporting.
Logger 1,000 600 700 4,000 600 2,500 12,000 3,000 7,000
HDS 1,600 1,000 1,100 600 70 400 6,000 2,000 3,800
Agent PG 125 40 70 300 5 20 2,000 1,200 1,500 2,000 agents, 15 cps


HDS 3,900 2,500 3,800 75,000 30,000 50,000 9,500 2,200 5,800 8,000 agents; 60 cps; 200 reporting users at max query load; ECC: 5 scalars @ 35 bytes each.
ROGGER 610 360 425 2,700 400 1,600 7,500 2,150 4,300 4,000 agents; 30 cps; ECC: 5 scalars @ 35 bytes each


Cisco Contact Center Express/IPIVR IOPS

The following table lists the IOPS numbers for Unified Contact Center Express/IPIVR.

IOPS Type 2vCPU
IOPS Avg per VM 150
IOPS Max spike per VM 1500


Workforce Optimization (WFO) IOPS

The following table lists the IOPS numbers for Cisco Unified Workforce Optimization 8.5(2) onward. 

Workforce Optimization Component IOPS (Read) IOPS (Write) Operating Conditions
QM 8.5.2 Base Server 4 2 Idle
4 12 Recording 300 concurrent calls
11 38 During recording upload
QM 8.5.2 Recording Server 1 2 Idle
74 187 Recording 300 concurrent calls
102 71 During recording upload



Cisco MediaSense

The following table lists the IOPS numbers for Cisco MediaSense partitions.

Media Partitions
IOPS Specifications

Average IOPS for non-media partitions

1700 ops/sec
Average IOPS for media partitions 50 ops/sec
Average bandwidth for non-media partitions 7300 kbytes/sec
Average bandwidth for media partitions 1000 kbytes/sec


Cisco Finesse 

The following table lists the IOPS numbers for Cisco Finesse.

IOPS Type IOPS Specification
Max IOPS 160
95th percentile 150



Cisco Unfied Email Interaction Manager and Web Interaction Manager

EIM-WIM component IOPS Disk Read KBytes / sec Disk Write KBytes / sec
Peak 95th Pct. Avg. Peak 95th Pct. Avg. Peak 95th Pct. Avg.
Application Server 11.7 3.21 1.55 51 1 0.726 103 19 8.32
File Server 43.65 25.23 14.36 189 2 2 1769 1025.9 446
Database Server 736.9 552 263.31 35450 23184 3903 5737 2872 1625
Messaging Server 9.15 2.71 1.47 57 1 0.7 88 15.1 8
Services Server 11.15 3.155 1.53 55 1 0.73 1.89 17 9
Web Server 11.2 3.36 1.43 55 1 0.8 173 21 10.24
Cisco Media Blender 12.25 7.45 5.51 47 0 0.516 384 289 177.47

 

Cisco Unified Intelligence Center

  • CPU usage (average) should not exceed 60% for the ESXi Server and for each of the individual processors, and for each VM.
  • Memory usage (average) should not exceed 80% for the ESXi Server and for each of the VMs.
  • VM snapshots are not supported in production since they have significant impact on system performance.
  • The SAN must be able to handle the following Cisco Unified Intelligence Center application disk I/O characteristics.
  • Enable hyper threading on all ESXi servers.


The following table lists the IOPS numbers for Cisco Unified Intelligence Center.

Details
Write (Kilobytes/Sec)
Read (Kilobytes/Sec)
IOPS
Maximum
7758.00
466.00
781.40
95 Percentile
6446.30
433.10
628.34
Average 
5727.44
74.32
460.17
Minimum 
4897.00
0.00
288.75


Cisco Customer Voice Portal 

The following table lists the IOPS numbers for Cisco Unified Customer Voice Portal.

IOPS Summary: (Unit in Number, Data are Blade-based)

CVP Server component Average MAX 95th Percentile
Call Server/VXML Servers 380 1536 797
Reporting Server 692 3403 2024
Operation Server NA (Insignificant) NA NA



 

 

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