Adaptive Overlays for Shared Stream Processing Environments

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Adaptive Overlays for Shared Stream Processing Environments

HPL-2007-178 (R.1) Adaptive Overlays for Shared Stream Processing Environments - Papaemmanouil, Olga; Basu, Sujoy; Banerjee, Sujata
Keyword(s): stream processing, overlay, quality-of-service
Abstract: Large-scale overlays has become a powerful paradigm for deploying stream processing applications in wide-area environments. The dynamic nature of these systems makes it difficult to guarantee the Quality of Service (QoS) requirements of each application. In this work we present a framework for distr ...
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data::stream::bulk::chunked

Data::Stream::Bulk::Chunked(3pm)			User Contributed Perl Documentation			  Data::Stream::Bulk::Chunked(3pm)

NAME

       Data::Stream::Bulk::Chunked - combine streams into larger chunks

VERSION

       version 0.11

SYNOPSIS

	 use Data::Stream::Bulk::Chunked;

	 Data::Stream::Bulk::Chunked->new(
	     stream	=> $s,
	     chunk_size => 10000,
	 );

DESCRIPTION

       This is a stream which wraps an existing stream to give more items in a single block. This can simplify application code which does its own
       processing one block at a time, and where processing larger blocks is more efficient.

ATTRIBUTES

       stream
	   The stream to chunk. Required.

       chunk_size
	   The minimum number of items to return in a block. Defaults to 1 (which does nothing).

METHODS

       get_more
	   See Data::Stream::Bulk::DoneFlag.

	   Returns at least "chunk_size" items. Note that this isn't guaranteed to return exactly "chunk_size" items - it just returns multiple
	   full blocks from the backend. Also, the final block returned may have less than "chunk_size" items.

AUTHOR

       Yuval Kogman <nothingmuch@woobling.org>

COPYRIGHT AND LICENSE

       This software is copyright (c) 2012 by Yuval Kogman.

       This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

perl v5.14.2							    2012-02-14					  Data::Stream::Bulk::Chunked(3pm)

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