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'''Sawzall''' is a procedural [[Domain specific language|___domain-specific]] [[programming language]], used by [[Google]] to process large numbers of individual [[log file|log]] records. Sawzall was first described in 2003,<ref>Rob Pike, Sean Dorward, Robert Griesemer, Sean Quinlan. [http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.com/sv//archive/sawzall-sciprog.pdf Interpreting the Data: Parallel Analysis with Sawzall]</ref> and the szl runtime was open-sourced in August 2010.<ref>[http://code.google.com/p/szl/ Sawzall's open source project at Google Code].</ref> However, since the [[MapReduce]] table aggregators have not been released,<ref name="open-source-scope"/> the open-sourced runtime is not useful for large-scale data analysis of multiple log files off the shelf. Sawzall has been replaced by Lingo (logs in [[Go (programming language)|Go]]) for most purposes within Google.<ref>{{cite web|url=http://www.unofficialgoogledatascience.com/2015/12/replacing-sawzall-case-study-in-___domain.html|title=Replacing Sawzall|date=2015-12-04|access-date=2018-06-18}}</ref>
==Motivation==
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