\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Louis Cribbins}
\pdfinfo{
  /Title (elasticsearch-for-sql-people.pdf)
  /Creator (Cheatography)
  /Author (Louis Cribbins)
  /Subject (ElasticSearch For SQL People Cheat Sheet)
}

% Lengths and widths
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\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\definecolor{FootBackground}{HTML}{666666}
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\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{ElasticSearch For SQL People Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Louis Cribbins} via \textcolor{DarkBackground}{\uline{cheatography.com/58382/cs/15441/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Louis Cribbins \\
  \uline{cheatography.com/louis-cribbins} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 10th April, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{1.59264 cm} x{3.38436 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Equivalent Terms}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{SQL}} & {\bf{ElasticSearch}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Database & Index \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Table & Type \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Row & Document \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Column & Field \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.74655 cm} x{4.23045 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Definitions (?)}}  \tn
% Row 0
\SetRowColor{LightBackground}
Index & Collection of one or more shards \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Shard & Apache Lucene Instance \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Cluster} & One or more nodes \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
Nodes & Server instances \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{Routing} & A way to control what shard a document goes to (used for performance) \tn 
% Row Count 8 (+ 3)
% Row 5
\SetRowColor{white}
\seqsplit{Segment} & Internal lucene data block \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.84149 cm} x{3.13551 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Resilience \& Scalability}}  \tn
% Row 0
\SetRowColor{LightBackground}
Shard(s) & One Primary, N Replicas \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Index & Made of one or more shards \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Cluster & Made of one or more nodes \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Nodes & A single server in a cluster \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Shard & Logical partition of an index across the nodes in a cluster \tn 
% Row Count 9 (+ 3)
% Row 5
\SetRowColor{white}
Replica & Number of copies of the primary shards in a cluster \tn 
% Row Count 12 (+ 3)
% Row 6
\SetRowColor{LightBackground}
Total shards in cluster & = primary shards * (replica count + 1) \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
Shards per node & = Total shards in cluster / \# of nodes \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.43873 cm} x{2.53827 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Things Handled By}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{ElasticSearch}} & {\bf{Apache Lucene}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Node management & Searching \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Shard management & Indexing \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Health monitoring & Stemming \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Parallelizing Work & Serialized Workload \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.34379 cm} x{3.63321 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Parent-Child vs Nested}}  \tn
% Row 0
\SetRowColor{LightBackground}
Sharding & Children reside in Parent's shard \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{Parent-Child} & Cheap to update, slow to query \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Nested & Cheap to query, slow to update \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.43873 cm} x{2.53827 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Crud Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
PUT \seqsplit{server/index/type/ID} JSON & Creates doc from JSON using ID \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
POST server/index/type JSON & Creates doc from JSON and generates ID \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
POST \seqsplit{server/index/type/ID/\_update} JSON & Updates part of the document matching on ID \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
GET \seqsplit{server/index/type/ID} & Retrieves doc matching ID \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
DELETE \seqsplit{server/index/type/ID} & Deletes doc matching ID \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.05965 cm} p{0.4577 cm} x{2.05965 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Search Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
GET \seqsplit{server/index/type/\_search}?q=XXX & \seqsplit{Simple} & Search index\textbackslash{}type with query XXX \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
POST \seqsplit{server/index/type/\_search} JSON & \seqsplit{Complex} & Search index\textbackslash{}type with query in JSON \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.29402 cm} x{3.68298 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Big Ideas}}  \tn
% Row 0
\SetRowColor{LightBackground}
Forward Index & Maps a document to a set of words \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Inverted Index & Maps a word to a set of documents \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Stemming & Converting a word to it's root, ie raining -\textgreater{} rain \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Synonyms & Converts a word to an appropriate equivalent, ie Sunday -\textgreater{} weekend \tn 
% Row Count 9 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Lucene uses an {\emph{Inverted Index}} to find documents so quickly.}} \newline {\bf{Lucene uses {\emph{stems}} for it's indexes and search terms to increase hit ratio for searches.}} \newline {\bf{Lucene uses {\emph{synonyms}} to increase hit ratio for searches.}}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}