VMS Server Sizing

By: Sean Patton, Published on May 25, 2018

Specifying the right sized PC/server for VMS software is one of the most important yet difficult decisions in IP video surveillance. In the past manufacturers designed and certified that a specific appliance 'box' would support a specific number of cameras (e.g., 4, 8, 16, etc.). Of course, the simplicity came with limited flexibility for expansion.

With VMS software being widely deployed on 'regular' PCs/servers, integrators need to properly specify the right ones. If your machine is not powerful enough for your cameras, you can face all sorts of painful issues and difficult to troubleshoot problems.

The good news is, fundamental guidelines exist to help select the right hardware.

Inside, we explain many of the factors to consider, including:

  • New Technology Impact
  • Key hardware drivers (CPU, RAM)
  • Server Cost Differentials
  • Maximum Throughput
  • Throughput Calculations
  • Bits versus Bytes
  • Smart Codec Impact
  • H.265 Impact
  • GPU Processing
  • Multicast Support
  • Multiple NIC Support
  • Manufacturer Specifications

********** *** ***** ***** PC/server *** *** ******** is *** ** *** most ********* *** ********* decisions ** ** ***** surveillance. ** *** **** manufacturers ******** *** ********* that * ******** ********* 'box' ***** ******* * specific ****** ** ******* (e.g., *, *, **, etc.). ** ******, *** simplicity **** **** ******* flexibility *** *********.

**** *** ************* ****** ********** '*******' ***/*******, *********** need ** ******** ******* the ***** ****. ** your ******* ** *** powerful ****** *** **** cameras, *** *** **** all ***** ** ******* issues *** ********* ** troubleshoot ********.

*** **** **** **, fundamental ********** ***** ** help ****** *** ***** hardware.

******, ** ******* **** of *** ******* ** consider, *********:

  • *** ********** ******
  • *** ******** ******* (***, RAM)
  • ****** **** *************
  • ******* **********
  • ********** ************
  • **** ****** *****
  • ***** ***** ******
  • *.*** ******
  • *** **********
  • ********* *******
  • ******** *** *******
  • ************ **************

[***************]

New ********** ******

***** ********** ************ ** the **** * ***** will **** ** ****** on *********** *** ****** of ******* **** * server *** *******. ******* that ****** ** *** higher ********** *** ******** the ****** ** ******* required. ***** ******, *.*** streaming *******, *** *** offloading *** ******** *** channels *** ******.

Key ******** *******

*** ****** *********** ** most ********* ** *** and ***, ******** ********* how **** ***** *** be ********* *** ******* and *********. ******-***** ****** detection ***** **** ******** processor **** ************* *** needs ** ** ***** into ******* **** ******** server ********.  ***** ************ vary ********* ** *** specific *** ****, *** the ********* ** * consensus ** **** ****** manufacturer **************:

  • ***** *******, ~*-** *******: Dual-core **********, **** ** Intel **** * *** e6850 ** **** **-*****, 4GB ***
  • ***-**** *******, ~**-** *******: Quad-core *********, **** ** Core **-*****, *** ***
  • ***** *******, ~**+ *******: 6-core ********** **** ** Xeon ** ****** ** Core **-*****, ** ** RAM

**** ********* *** *** configuration ******* *** ** restricted ** **** ****** in ***-***** ******* **** as **** ** **. For ********, **** * Duo *** ** ********** are ********* **** ***** in ******* ***, ***** Xeons *** ** ***** in ****-*** ************ *** servers.

Server *****

******* *** ********* *** available **** **** ****** and ********* ****** ** the ***-$*** *** *****, whereas ***/*** ********** ***. Small ******* *** ** run ** *****-******* *** lower **** *******, ***********, and **** ****-** ********, in *** ***** ** ~$500-1,000 ***. ***-***** ******* normally **** **** ****** workstations ** ***** **** servers, ~$*,***-*,***. ***** ******* may **** ******** ***** this *****, ********* ** configuration *** ******* ****. $6,000-10,000 ** **** ** common *** **** ****** counts, *** ** *** increase ** ***, *** speed, *** *** ******** of ****** ****** ** hard ***** ****, ********* power ********, *** ******** NICs ***** ******** ** this *****.

********** ********* ***** ** one ** *** ****** costs ******** ** ****** sizing. ********** ***** **** one ** *** **** generally **** ***** $*** USD ** *** **** of * ******. **** cost *********, *******, ** the ***** ****** ** processor ***** *** ******** cores *** *******, ** the **** **** * six **** *.** *** Xeon ********* ** ***** core *.** *** *** be $***-***.

Importance ** ******* **********

*** **** ** ********** what *** ********* ******* throughput ** *** ****** will **. ** *** calculate **** ***** **** based ** ******* ****** throughput, ** ***** ***** well ***** *** ******* for ***** ******* ** time, ********* ** ******* packets *** **** ** video. **** *********** **** oversize * ****** ** 10-20% ******* ** **** concern.

Total ******* ********** ************

**** ********** *******, ***** maximum ********** ******** ** the **** ******** ******. Throughput ** *** ***** amount ** ********* ****** into *** *** *** machine (*.*., ** **/*, 80Mb/s, ***.)

***** *** *** ******* which *** ****** ****:

  • *** ********** ** ********* cameras: *** ******** *** bitrate ** ******* ********* is ******** *** ******* component ** ***** **********. This *** ** ** simple ** *********** *** number ** ******* ** the ****** ****, *.*., twenty ***** ******* **** a ****** **** ** 4Mbps **** = ** Mbps *****. *******, **** using ******** *******, ***** must **** **** ******* each ******'****** ************* ***********, *** *******. If ******* ***** ***** 6-8 **/* ** *****, when ***** *********, **** may ****** ******** ** underspecified ******. *** *** to ****** **** ** using ******* **** ******* maximum *** ***** (*** *** ****** ** using ***).
  • *** ****** ** ********** clients: *** ****** ****** taken **** ******* ** throughput ************ ** ********** clients. **** ** *********** the ******** *********** ** perform, ***** ****** ******* which *** ***** ********, at *** ***** **** multiple ***** *** ******* to *** ****** *** view ******* ******* ** cameras. ** ****, ** budget ******, ********** ****** be ********** *** *** worst ****, **** *** largest ****** ** ******* connected ******* *** ******* simultaneously. ********** *** ** measured ** ******* ****, with *** ******** ***** via *** *** ******, if **'* *********, ** seen ** **** ******* from * *** ******:

client throughput

*** ******'* ***** ********** is *** *** ** these *** *******. ** a ****** **** (**) 1080p ******* **** * Mb/s *******, *** *** clients ******* *** ******* (80 **** *****) ****** be ********* ** ****** 120 ****. ***** ************ are ******** ** *** architecture. **** **** ******* the ****** ** ******** to *** ****** ******, without ******* *** ****** through *** ******, ****** nothing ** ********** ************. Others **** ********* ******* from ******* ** **** to ******* **** *** camera ** *** ****-******, i.e., ** * *****-****** view. ***** ****** ******* how ***** ******* ****** throughput **** ***** *** provider.

**** ****** *****

** ******* ***** ********* bits *** *****. **** cameras ****** ***** ********** using **** *** ****** but **** *** ******* specify ***** ****** **** using ***** *** ******. 8 **** = * byte, ** ** * manufacturer ********** ****/* **********, that ** ***** ** 320 **/* ** ****** streams.

Smart ***** ******

** **** *****,***** ********** ******* ******** *************, from ~**% ** * minimum ** ****** ****** to **% ** **** in *** ****** ******. While ***** ********** ****** average system ****, ******: ******* must ***** ** ***** to *********** ***********.

*** *******, ** *** average ******* ** ~** Kb/s *** ****** *** to ***** ******, *** bandwidth ****** ** ~*** Kb/s, this ****** ********** ****** be **** ** ********* server **** *** ****** **********. Failing ** ******* *** this ********* ********* *** result ** ******* ******** frames ***** ***** ****.

H.265 ******

** ******** ** ***** codecs, *.*** ******* ******* ******** to *.*** *** ******, with **-**% ********** ******. However, ***** ********** *** generally "**** ****", ******* of ******* ** ******/********** levels ** ** ***** codecs. ******* ** ****, the ******* ****** ******* when ***** ***** ****** are *** ******* **** using ******* (***-*****) *.***.

***** ****** **** **** that *.*** ******* **** increase CPU (***/** ***) **** when ***** ******-**** ****** detection. ******* *.*** ** more ********* ********* ** decode **** *.***, **** hardware ******** **** ****** and **** ******, ***** these ******* *** ****** detection *** ****** *** ****. Users ****** ** ***** of **** **** ****** systems *** ******** ***** H.264 *** ****** ********* where ********* (***-*********) ******* are **** *** ********.

GPU ********** *******

********** ******-***** ********* (*********** streams, ****** *********, ***** analytics, ***) ** *** resources ** ******* ** compared ** *** ******* for *** ********** ******* in ****** ********.

**** *** ******* ** this *********** ******** ********** ***** Motion *********** *** ******, ***** Intel ** ****** *** resources. *** ******* ****** a *********** ******** (**% - **%) ** *** load **** ********** ** the ******'* ******* ***** GPU.

** ********** *********** (**) or **** ******** ********* become **** ****** ** the ***** ******** ********, we ****** **** *** resource ************ **** ****** much **** ********.

Multicast ******* ******* ******

********* ******** ** * VMS ******** *** ****** the ************ ** *** total ********** ********* ** a ******.

* *** **** ******** multicasting, **** * ******** configured *******, **** ****** Client ******** ** ******* viewing ******* ******** **** the ******* ******* ******, instead ** **** *** server. *** ****** **** calculations **** **** **** to ******* *** *** incoming ******* **** *** camera, *** ******** ******* will **** ** *** the ***** **** *** recorded. **** *** *** potential ** **** *********** resources ** **** ******** client ************ *** **** have * ********** ****** on ******* ***** **** viewing ** *******.

Multiple *** *******

**** ************ **** ******* cameras ** ** ********* in *** ** **** isolated **** ******** **** viewing ****** ***. ** other ****-************ ************, * secondary *** *** ** required *** ********/****** *************. In **** ** ***** situations ******** * ******/*********** solution **** *** ******* expansion **** *** ******** support ******** ************* ****** the ****** ********* ****** and *** ********.

Manufacturer **************

**** ********** ** *****, the ****** **** ********* factor ** ************ ***************. Users ********** ******* ***** do *** **** *** minimum ************ *** ***** given ********** *** **** challenges **** ******* **** support ** ****** *****. If ** ********** ** willing ** ****** *** potential **** ** ***** an "************" (********* ** specifications) ****** *** *** configurations ***** ** ***** project ******* *** **********, they *** ** **** to **** **** **** from * ***** *******. For ***** ******* ** play ** ****, ******** strictly ** ************ *************** at * ******* ** recommended.

*** *** ***** *************** are ************ ****** ******* manufacturers. **** **** ***** some ** ***** *** specified ** ********** ****, others *** **** ******* to * ****** ** cameras *** ******. **** varies ** ************, *** users ****** ****** ***** these *******:

  • ********: ******** ***** *** configurations ** *********** ************ *******, **** *** ****** streaming *********** ******* ** to **** ****, *** ACC *********** ********** ** to *******.
  • *****: ***** ***** ****** (and ******) *************** ** the ***************** ***** *** ***** server ******** ********. ***** ****** *** listed ** 50-250 ****, *** ***-*** Mbps. *************** *** ***** for ******* *** ********* configurations.
  • *******: ****** ************ *** given *** *******, ***********, and ****-*********** ************** *********'* *************. ** ******** ***** are ***** *** **** Performance ***** ** **** supported ******* *** *** of ***** *********** ********** at ** ** *,******* read (**** ******* ************ output).
  • *********: ****** ************ *** listed *** *** *** High-End ******* *********** *************. ********** *********** ***** from ***-*** ******* ********** up ** ******* ***** / ******* ******, *** High-End ******* ********** ** to ******* ***** / 400Mbps ****** ******* ***********.
  • *********: ********* ******** ******** ***** ******* ******* hardware *************** **** ******* ******. No ********** *********** ** specifications *** ********* *** listed.

******* ***** *************** **** work *** * ***** configuration, **** **** ******** for ********* ****** ** variances, ************ ******** *********** may ** *************. *******, there ** ****** ****** to ****-****** ******** *************** to **** *** ***** project, ** ******* ** general *************** *** ******* throughput ******. ***** ****** also ******* ******* ***** recommendations *** **-**-****, ** call **** ******* *** pre-sales **********, ** **** any ******* ***********, ***** specs *** ****** ******** at *** ****, ******* notice.

 

 

Comments (16)

****,

**** ******* ** ****** sizing.  **** ***** ******* we *** ** ******* the ***** ****** ********* (VMD) *** *** ****** and *** *** ******* do **** ******** *** send *** ****** ** the ********* ******.  **** has * ******** ********* in *** ****** ** CPU ********** ***** (*** thus ****) *** **** need *** *** ******.

******* ***** ******-**** ***, the ****** ****** ** most ********** ** *** I/O *********.  *** **** of **** ******, **** technology, *** **** ********** selection *** *********.

*** ****** ****** * received **** ********* ** server */* ********** ******** 15,000 *** *** **** drives.  ***** *** *** available ** *** ** capacity.  ** **** *** LSI **** ***** **** battery ****** ** *****.  Milestone ********** ******* *** drives ** * **** 10 ***.  **** **** our *** **** ********** does *** ***** **** than ** ****** ** a **** *** (** have * ** *** server).  ***** *** ** other ******* (******* ****) not ** *** ****** RAID **** ******.  **** all **** ****, * have **** *** ********* Husky ******* *** **** drives *** * ***** in * **** * configuration ** * ** a *** ********* :-).

* ***** ****** **** to **** ******'* ********** using ****** ** ****** hard ****** **** *** old *** **** ****** drives.  ** ***** * performance ********* *** ** any ** *** ***** management ****** ******** ********* take ********* ** ****** 4K ****** ****** *** improved ****/***** ***********?

**** * ** **** for ***** ***** ********, but ****** * ******* 6 ******, ** ******* too *****, * ***** then ** ***** *** RAID *.  **** ** is ***** (***********-****) *** more ******* *** **** to ********.  * ***** recommend ****** ******** **** RAID * (*** **********, faster ******) **** ** use **** **.  *** is ****?  **** **** 10, *** *** **** half **** ****** *** your ***** ****, *** is **** ***, **.  You *** **** *** of *** ***** **** of ****** *** **** bye ** *** **** data.  **** * ****** on **** * *** has *** ******** ******* of ***.  *** ****** of ****** ****** ******* is ** ****** ********* is **** ****** (**'* not ******) *** * think **'* ** *** late **'* ** ***** 30's ** ******.

** ****** ****** ** less ***** *********** *** more ***** *********.  *********** could ** ***** *** it **** ** *****, SSD ***** ***** **** larger *****.

**** *********?

* ******* *** **** well ******* ******* ******** to ****** *****. **** sizing ******* ** ***** a ********** ** ***** camera ***** ***** ****** count?  *.* *** **** a ****** ****** ***** fixed ****** *** * multi ****** ***** ******.  

**** ** ***** **** by ***********, *** ** you ********* * ***** a *** **** ***** min ***** ******* **** or ***** ********** *** server ***/** *********** ****?

*** ****** *** ***** imager ******* ******* * different **** ** * server.  *** ******* * use ** ******* **** is ** *******...

* ****** ****** ****** (NOT *********, *** ***..**** a ***** ******* ***) will ******* *** **** to * ****** **** like * ****** ** 'tractor-trailer-trucks' ********** ***** ***** to *** ***********.  ** the ***********, *** ******* is ******** *** *** he ****.

*** *****-****** **** **** twist.... *** ***** ** now ***** **** ******** trailers ****** ******** **** a *****, ** **** it *******, *** ******** have ** ** ********* before **** *** ** unloaded.  **** **** **** to *** ****** ******... CPU, ******, ******* ** when * *** ***** types ** ****, * suggest ** ***** ******** any ********* ********* *** each ***.   ** ******** also **** **** **** category (**** **** *** type).

* **** ******* ****** based ** ****** ***** is **** ****** *** an ****** ***** ******.

** ** ****** ***** to **** **********, ***, scene **********, ***** ****** amount *** ****** ******* (compression) ** ** **** to **** * ****** at * ****** ************** based ** *********.   *** IPVM **** ****** ********** doing **-**** ********* ************ with ****** ******* *** the **** ******** *******. 

**** ** **** **** the ******* ****** *** RAID ** **** **********, followed ** *** ********* performance ******** (******** *** use ** ******** ****).   RAID6 ** *** **** protection ******* **** ** typically ******* *** **** speed.   ***** ** **** popular ******* ** ******** a ****** *** ** everything (**********, ********, **** Speed) ** **** ** you ***'* **** **** arrays *** ***** (*** to ******* ***** **** *** larger *** ***** ** long, *** **** ** minimize *** ********* ** a *** ***** ***** bad ***** *** ***** is **********).

** **** ****** (**** a *** ** ******** details), *** **** ** be ********* **** *** number ** *******, *** mainly **** *** ********** and ********* ***** (***** is ********* * ******* of *** *******). *** you *** ** ** accurate ************ **** ****, and ** **** ******* out, ********* ** *** camera ****/***** *** *** VMS ******, ***** **** be ********** ******** ************.

**** **** ******** ****** up *** ** *** more ********* ***** ** creating * ******-******** *************. In **** ****, ** an **********, * *** minimum ************** ** ****** a ******** ***** ** see ** ***** ** a **** ** **** vendor * ******** ***** be ******* *******. *** server **** *** ******* should ********* ** **** to ******* *** ********** and ********* ** *** system *** ********** ** providing, **** ******** ********** of ****** *** *** want ** **** ***. I've *** ********* *** specifications **** ******* * 30 *** ****-************ ***** to ******* **** *** server *** ********* *** required *****, **** ******** percentage **** ***** ** the ******. ** ** integrator ** ****** ** with *** **** ** smart ***** *******, *** is ******** * *** amount ** ******, ****** another ********** **** ******** H264 *** ******** * higher ****** ** ******, with * ********* *** that ** ***** ** perform ****** **** *********/****** detection, **** *** *** integrators **** **** ******. 

*** **** ***** ****** is ** ****** ************ what *** ************, ****** manufacturer, % ** ******, etc ** *** **** a ******** ****** ****** to *** *** *** bid.

***** *** **** *** Sean..

* ********** *** ****** you *** ******, ****** to ******* ******-******** ************** *** the ********* ** **** hard **** ** *** not ******* * *** manufacture ** ****** ***********. Also * **** ***** offered ** *** * potential ****** *** ** come ** **** ***** preparing ***** ******** ** test *******. 

*** ***** ** *** allowed ** ** ** present * ******* **** and **** * ******** vendor *** ***** **** the ***** ** *******. Even **** **** ****, usually **** * *** 10 ******* * ***** say, ******* **** * am ******* ** *** some ******.  * **** your *********** **** *** specs *** **** *** feel **** **** ****** to ******** **** ******-******** *** that **** ****** *** FAR, **** ****** ****** to *** **** * need.

* ***** ** ***** be * ***** ******* for **** ** ***** a ******* ******-******** ** vms/cctv *** **** * year *** *** **** sides (********* *** ***********) provide ************ ********. *** that ***** **** ** a *** ***** *** IPVM ** *****.

**** *** ***** * few ******** ***** *** RFP *******....**** *** ***.   Look *** ***** *** under *** '********'.   ** of **** ****, ***** are ** ** ****.

*** **** ** ***** exactly, **** *** **** important ** **** ***** of *** *****.  *** as * *********** *** me ** ** *** user ****** ***** *** common ********, ******* ** is *** ** *** most *********** ******.. 

***...** *********** ** **** is... ** ***** *****'* completely ****** ********* * posed ****** *****.

******** ******** ***********(***** ** **********, ***, analytics ** ***) **** lists ** ******* *** and/or ***. ** ***** those ** ** *****://***.************.***/ ** match **** ** ***** CPU (****) ****** ***** they **** ******* ******* CPU's.

* ***** * **** indication *** *** ** a *** ** *** light **** ****** **** wise.

* ********** ***** *** a *** ** ********* but ** *** ******

 

*** ****** *********** ** most ********* ** *** and ***

 

***

 

**** ********** *******, ***** maximum ********** ******** ** the **** ******** ******. Throughput ** *** ***** amount ** ********* ****** into *** *** *** machine (*.*., ** **/*, 80Mb/s, ***.)

 

*** ** *** *** rated *** *********?

 

* **** **** ******* *****://**.*********.***/****/****************

 

*** ****** ** *** specs ** **** ********* *****://***.*****.***/********/******/*****-****-**-****-*********-**-*****-*-**-***-

 

**** * ********* ******** of **.***/* **** ***** 37,000Mbps *****?

 

**** ********* ** ** I *** *** ****** 4000 *** ******* ** 30 *** *** ***** not *** **** ********* out.

 

 

* ** * **** at **** *** * know ****** ** **** this **** *** *** up.

 

**** ** * *******?

 

*** * ** *** have *** ***** ** system ** ****, **** trying ** ********** *** to *** ***** ** specing *** ***** ****** for ****** ********.

** ***** *** * way ** ****** **** video *** ****** ** hardware *** ******, **** yes, *** ***** ******* 4000 ******* ** **** processor. =)

*************, ** **** *****, you *** ***** ******* in * ******* ** Linux ********* ****** ***** is ***** ** ******* the ******* *** ****** "bottlenecks".

**** ** *** ******** like*** ************** *** *** ** gaming ******. ************* (** fortunately) **'** *** *** trying ** **** ****** at ******, ** ************ would **** ******* ********** for ***** ************. **** best *** ** ** follow *** *** ************'* recommendations *** **** **** their *****/******* ** ****** server **************.

***** *****. ****** ****.

*** **** ** *** are ********* ** *** and ***  ****** **** UI4 ******** *** ** is ********** *** *** statement "**** ********* ** DW * *** *** around **** *** ******* at ** *** *** still *** *** **** processor ***." ** ********** invalid, *** ****** ** servers ******** ** ***** on *** **** **** of ********** ********** 

**, **** ** * good ******** ** **** is ****** ** *****. And *** *** *********** are *******. *** **** to *** **** **** carefully. ** *** ** not ********** *** *********** you *** ****** * projection ***, *** *** well *** ***** **** use *** ******* ******** to ***** ***** ********, it ** ***** ** be *********.

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