HP Web Jetadmin Software Instrukcja Użytkownika Pobierz pdf (Strona 3)

considering the system specifications for hosting the application, it is important to understand how the

software will be used.

For example, the software can be hosted for:

 One user: a desktop host with the minimum system requirements is typically sufficient.

 Multiple users requiring occasional access: a host providing the recommended hardware and

software should be used.

 A business-critical team such as the helpdesk: a server-class host with extra memory and perhaps

dual processors should be considered. IT should be involved with the implementation to determine

the best hosting practices.

HP strongly recommends using a dual processor host with at least 2 GB of memory. While this is

above the minimum required hardware specified, commercial implementations of the software

function much better on server-class hosts. Disk system performance is also critical to the software

performance. Much of the disk activity is tied to HP Web Jetadmin’s interaction with an SQL database

instance. High-performance storage speeds up these operations and helps the application run much

better.

Concurrent user login

HP Web Jetadmin is architected for multiple-user access, and supports 15 or more concurrent

connections while maintaining high performance. Of course, application usage makes the

performance at each client vary somewhat depending on client load and the hardware hosting the

application. The hardware and software requirements should be considered when the application is

to be loaded with multiple, simultaneous user connections. For example, if one user performs a device

discovery for all devices in the enterprise while another user establishes groups and generates reports,

HP Web Jetadmin may exhibit slow performance on a slower host. System resources, network

bandwidth, and other factors impact software performance under these conditions. For information on

background tasks and task management, see “HP Web Jetadmin task scheduling” and “HP Web

Jetadmin task management,” beginning on page 12.

Application performance

HP Web Jetadmin, like many other applications, processes large amounts of data while allowing

users to work productively. When clients view device lists or access device configuration or status

details, HP Web Jetadmin uses CPU bandwidth on multiple device data retrieval. In addition, the

application collates and communicates device information back to multiple client sessions. An

observant administrator using tools like the Microsoft® Performance Monitor can view the result of this

background processing. Here are some characteristics

about performance and HP Web Jetadmin software:

 During background task executions, the application

may consume a high percentage of the host’s

processor for short time periods. This is normal.

 System processor consumption may be pronounced

on host systems that meet only the minimum hardware

requirements.

 System processor consumption may be pronounced on single host systems that are running both

the HP Web Jetadmin application and the client application on the same host.

 Performance gains can be realized with HP Web Jetadmin running on multiple processor systems.

RAM paging is a process that Windows® uses when it runs out of RAM (memory). When HP Web

Jetadmin runs on a host that has run out of RAM and the host has begun RAM paging, the application

may respond very slowly. The user interface (UI) and most applications on the host will be sluggish.

Steps can be taken to address this problem:

Best practice

Scale the platform to meet your

HP Web Jetadmin use model. For

example, reporting on thousands of

devices drives processor and resource

utilization.

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