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• Batch Processing
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Batch processing
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Batch processing is execution of a
series of programs ("jobs") on a
computer without manual
intervention.
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Batch processing
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This operating environment is termed
as "batch processing" because the
input data are collected into batches
of files and are processed in batches
by the program.
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Batch processing History
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There were a variety of reasons why batch
processing dominated early computing
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Batch processing History
As computing in general becomes
more pervasive in society and in the
world, batch processing is unlikely to
lose its significance.
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Batch processing Modern systems
Despite their long history, batch
applications are still critical in most
organizations in large part because
many common business processes are
amenable to batch processing
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Batch processing Modern systems
High volume batch processing places
particularly heavy demands on system and
application architectures as well
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Batch processing Modern systems
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Scripting languages became popular as they
evolved along with batch processing.
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Batch processing Batch window
The problem is not usually that the
computer system is incapable of
supporting concurrent online and batch
work, but that the batch systems
usually require access to data in a
consistent state, free from online
updates until the batch processing is
complete.
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Batch processing Databases
Batch processing is also used for
efficient bulk database updates and
automated transaction processing, as
contrasted to interactive online
transaction processing (OLTP)
applications. The extract, transform,
load (ETL) step in populating data
warehouses is inherently a batch
process in most implementations.
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Batch processing Images
Batch processing is often used to
perform various operations with digital
images such as resize, convert,
watermark, or otherwise edit image
files.
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Batch processing Conversions
Batch processing may also used for
converting computer files from one format
to another. For example a batch job may
convert proprietary and legacy files to
common standard formats for end-user
queries and display.
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Batch processing Notable batch scheduling and execution environments
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UNIX utilizes cron and at facilities to allow
for scheduling of complex job scripts.
Windows has a job scheduler. Most highperformance computing clusters use batch
processing to maximize cluster usage.
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Batch processing Notable batch scheduling and execution environments
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The IBM mainframe z/OS Operating
System / platform has arguably the
most highly refined and evolved set of
batch processing facilities owing to its
origins, long history, and continuing
evolution, and today such systems
commonly support hundreds or even
thousands of concurrent online and
batch tasks within a single Operating
System image
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Time-sharing - Batch processing
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Batch processing methodologies evolved
to decrease these "dead periods" by
queuing up programs so that as soon as
one program completed, the next would
start.
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Time-sharing - Batch processing
To support a batch processing
operation, a number of comparatively
inexpensive card punch or paper tape
writers were used by programmers to
write their programs "offline"
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Time-sharing - Batch processing
Programmers at the universities
decried the behaviors that batch
processing imposed, to the point that
Stanford students made a short film
humorously critiquing it
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Timesharing - Batch processing
To support a batch processing
operation, a number of comparatively
inexpensive card punch or paper tape
writers were used by programmers to
write their programs offline
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Timesharing - Batch processing
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Kropotchev Silent Film], 1967, This
student-produced film from Stanford
University is a humorous spoof of the
trials and tribulations of a college
hacker condemned to use batch
processing
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Transaction processing system - Batch processing
Batch processing is execution of a
series of programs (jobs) on a
computer without manual
intervention. Several transactions,
called a batch are collected and
processed at the same time. The
results of each transaction are not
immediately available when the
transaction is being entered; there is a
time delay.
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Scheduling (production processes) - Scheduling in the Batch Processing Environment
Most of the constraints and restrictions
described by PinedoM. Pinedo, 2002, pp 1422. are applicable in batch processing. The
various operations in a recipe are subject to
timing or precedence constraints that
describe when they start and or end with
respect to each other. Furthermore, because
materials may be perishable or unstable,
waiting between successive operations may
be limited or impossible. Operation
durations may be fixed or they may depend
on the durations of other operations.
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Glass production - Batch processing system (batch house)
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Batch processing is
one of the initial
steps of the glassmaking process
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GNU TeXmacs - Batch processing
It is possible to use TeXmacs as a
batch processing|batch processor
(which is LaTeX's usual operation
mode), using Xvfb|X virtual
framebuffer to avoid opening
unwanted windows while processing.
For example, the command
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