2025.1.0
Configure and manage the use of Accelerator after it is installed.
View new features for Accelerator 2025.1.0.
Discover the available Altair Accelerator guides.
Discover Accelerator functionality with interactive tutorials.
Basic tasks in Accelerator, including submitting jobs, tracking job information, and analyzing and solving common problems.
Accelerator documentation is available in HTML and PDF format.
Accelerator has two main commands, nc and ncmgr.
Accelerator stores historical information about jobs in a relational database. As of version 2015.09, the database is fully integrated and managed as part of Accelerator. This section provides an overview of the components that run and manage the database.
Preemption is the process of reserving or revoking resources from other jobs in order to help "important jobs" finish quickly.
Altair Accelerator includes a subsystem for managing computing resources. This allows the design team to factor in various constraints regarding hardware and software resources, as well as site policy constraints.
This is a usage guide for the Resource Data Service (RDS), an alternative service for managing License resources and License-first scheduling in Accelerator.
The Streaming Data Service (SDS) publishes a time series data stream that can be consumed by existing Kafka systems and compatible reporting tools to monitor VOV projects.
To ensure the correct and repeatable behavior of the tools, the environment must be controlled. This chapter explains how VOV supports multiple reusable environments.
If the directory "tasks" exist in the Server Working Directory, the server calls the vovliveness script once per minute.
The UNIX utility crontab is used to perform regularly scheduled tasks such as retracing an entire project each night or storing a back-up of the trace every Saturday. vovcrontab is a VOV utility that simplifies the creation of cron rules for a project. Directions are provided in this section.
The program vovgetnetinfo is used with Accelerator and Monitor to fill in information about the hosts. vovgetnetinfo is to be run periodically from the scripts created by the vovcrontab command.
A utility related to vovgetnetinfo is vovinfo, which performs the same function as vovsh -s netinfo, but with a smaller binary. This binary can only get host and process information, and does not have Tcl/TK or the VTK API.
vovsh -s netinfo
This section describes how to use the command line and find all processes that are not currently managed by Accelerator. VOV can use a vovtasker to collect information about all processes from all hosts in a farm.
Job fostering is the processes of artificially consuming a job slot on a tasker in order to represent an externally running job or process.
The vovselect command provides a way to retrieve specific data from the vovserver, with filtering done on the server side. This method is differs from some of the VTK calls, which get all data and require processing on the client side to get the data of interest.
This section provides instructions to change the software version on which Accelerator runs.
This daemon vovfilerd replaces older daemons like vovisilond, vovnetappd and vovregulatord. Also the utility vovfiler_setup is no longer needed. The visualization of the filer information is now done either via the vovfilerd.cgi page or via the utility vovfilerdgui.
This chapter provides information about deprecated features that are still supported. This information is provided should you see older commands in use after a software upgrade or migrating to a newer Accelerator.
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