Slides for talk at IMT Atlantique / STACK on 2022-06-23 #333

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talk.pdf: talk.tex assets/consistent_hashing_1.pdf assets/consistent_hashing_2.pdf assets/consistent_hashing_3.pdf assets/consistent_hashing_4.pdf assets/garage_tables.pdf talk.pdf: talk.tex assets/consistent_hashing_1.pdf assets/consistent_hashing_2.pdf assets/consistent_hashing_3.pdf assets/consistent_hashing_4.pdf assets/garage_tables.pdf assets/deuxfleurs.pdf
pdflatex talk.tex pdflatex talk.tex
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\usepackage{multirow} \usepackage{multirow}
\usetheme{boxes} \usetheme{boxes}
\usepackage{graphicx} \usepackage{graphicx}
\usepackage{adjustbox}
%\useoutertheme[footline=authortitle,subsection=false]{miniframes} %\useoutertheme[footline=authortitle,subsection=false]{miniframes}
%\useoutertheme[footline=authorinstitute,subsection=false]{miniframes} %\useoutertheme[footline=authorinstitute,subsection=false]{miniframes}
\useoutertheme{infolines} \useoutertheme{infolines}
@ -54,6 +55,56 @@
Matrix channel: \texttt{\#garage:deuxfleurs.fr} Matrix channel: \texttt{\#garage:deuxfleurs.fr}
\end{frame} \end{frame}
\begin{frame}
\frametitle{Who we are}
\begin{columns}[t]
\begin{column}{.2\textwidth}
\centering
\adjincludegraphics[width=.4\linewidth, valign=t]{assets/alex.jpg}
\end{column}
\begin{column}{.6\textwidth}
\textbf{Alex Auvolat}\\
PhD at Inria, team WIDE; co-founder of Deuxfleurs
\end{column}
\begin{column}{.2\textwidth}
~
\end{column}
\end{columns}
\vspace{1em}
\begin{columns}[t]
\begin{column}{.2\textwidth}
~
\end{column}
\begin{column}{.6\textwidth}
\textbf{Quentin Dufour}\\
PhD at Inria, team WIDE; co-founder of Deuxfleurs
\end{column}
\begin{column}{.2\textwidth}
\centering
\adjincludegraphics[width=.5\linewidth, valign=t]{assets/quentin.jpg}
\end{column}
\end{columns}
\vspace{2em}
\begin{columns}[t]
\begin{column}{.2\textwidth}
\centering
\adjincludegraphics[width=.5\linewidth, valign=t]{assets/deuxfleurs.pdf}
\end{column}
\begin{column}{.6\textwidth}
\textbf{Deuxfleurs}\\
A non-profit self-hosting collective,\\
member of the CHATONS network
\end{column}
\begin{column}{.2\textwidth}
\centering
\adjincludegraphics[width=.7\linewidth, valign=t]{assets/logo_chatons.png}
\end{column}
\end{columns}
\end{frame}
\begin{frame} \begin{frame}
\frametitle{Our objective at Deuxfleurs} \frametitle{Our objective at Deuxfleurs}
@ -191,6 +242,14 @@
\end{center} \end{center}
\end{frame} \end{frame}
\begin{frame}
\frametitle{Overview}
\begin{center}
\only<1>{\includegraphics[width=.45\linewidth]{assets/garage2a.drawio.pdf}}%
\only<2>{\includegraphics[width=.45\linewidth]{assets/garage2b.drawio.pdf}}%
\end{center}
\end{frame}
\begin{frame} \begin{frame}
\frametitle{Garage is \emph{location-aware}} \frametitle{Garage is \emph{location-aware}}
\begin{center} \begin{center}
@ -271,26 +330,18 @@
} }
\end{frame} \end{frame}
\begin{frame}
\frametitle{Storing and retrieving files}
\begin{center}
\only<1>{\includegraphics[width=.45\linewidth]{assets/garage2a.drawio.pdf}}%
\only<2>{\includegraphics[width=.45\linewidth]{assets/garage2b.drawio.pdf}}%
\end{center}
\end{frame}
\begin{frame} \begin{frame}
\frametitle{Garage's internal data structures} \frametitle{Garage's internal data structures}
\centering \centering
\includegraphics[width=.75\columnwidth]{assets/garage_tables.pdf} \includegraphics[width=.75\columnwidth]{assets/garage_tables.pdf}
\end{frame} \end{frame}
\begin{frame} %\begin{frame}
\frametitle{Garage's architecture} % \frametitle{Garage's architecture}
\begin{center} % \begin{center}
\includegraphics[width=.35\linewidth]{assets/garage.drawio.pdf} % \includegraphics[width=.35\linewidth]{assets/garage.drawio.pdf}
\end{center} % \end{center}
\end{frame} %\end{frame}
\begin{frame} \begin{frame}
\frametitle{Garage is \emph{coordination-free}:} \frametitle{Garage is \emph{coordination-free}:}
@ -305,13 +356,6 @@
$\to$ less sensitive to higher latencies between nodes $\to$ less sensitive to higher latencies between nodes
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\frametitle{Impact on performances}
\begin{center}
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\end{center}
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\begin{frame} \begin{frame}
\frametitle{Consistency model} \frametitle{Consistency model}
\begin{itemize} \begin{itemize}
@ -322,6 +366,13 @@
\end{itemize} \end{itemize}
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\end{center}
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\begin{frame} \begin{frame}
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\end{frame} \end{frame}
\begin{frame} \begin{frame}
\frametitle{Get Garage now!} \frametitle{Aerogramme data model}
\begin{center} \begin{center}
\includegraphics[width=.3\linewidth]{../../logo/garage_hires.png}\\ \only<1>{\includegraphics[width=.4\linewidth]{assets/aerogramme_datatype.drawio.pdf}}%
\only<2->{\includegraphics[width=.9\linewidth]{assets/aerogramme_keys.drawio.pdf}\vspace{1em}}%
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\visible<3->{Aerogramme encrypts all stored values for privacy\\
(Garage server administrators can't read your mail)}
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\frametitle{Different deployment scenarios}
\begin{center}
\only<1>{\includegraphics[width=.9\linewidth]{assets/aerogramme_components1.drawio.pdf}}%
\only<2>{\includegraphics[width=.9\linewidth]{assets/aerogramme_components2.drawio.pdf}}%
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\begin{frame}
\frametitle{A new model for building resilient software}
\begin{itemize}
\item Design a data model suited to K2V\\
{\footnotesize (see Cassandra docs on porting SQL data models to Cassandra)}
\vspace{1em}
\begin{itemize}
\item Use CRDTs or other eventually consistent data types (see e.g. Bayou)
\vspace{1em}
\item Store opaque binary blobs to provide End-to-End Encryption\\
\end{itemize}
\vspace{1em}
\item Store big blobs (files) in S3
\vspace{1em}
\item Let Garage manage sharding, replication, failover, etc.
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Research perspectives}
\begin{itemize}
\item Write about Garage's global architecture \emph{(paper in progress)}
\vspace{1em}
\item Measure and improve Garage's performances
\vspace{1em}
\item Discuss the optimal layout algorithm, provide proofs
\vspace{1em}
\item Write about our proposed architecture for (E2EE) apps over K2V+S3
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Where to find us}
\begin{center}
\includegraphics[width=.25\linewidth]{../../logo/garage_hires.png}\\
\vspace{-1em} \vspace{-1em}
\url{https://garagehq.deuxfleurs.fr/}\\ \url{https://garagehq.deuxfleurs.fr/}\\
Matrix channel: \texttt{\#garage:deuxfleurs.fr} \url{mailto:garagehq@deuxfleurs.fr}\\
\texttt{\#garage:deuxfleurs.fr} on Matrix
\vspace{2em} \vspace{1.5em}
\includegraphics[width=.09\linewidth]{assets/rust_logo.png} \includegraphics[width=.06\linewidth]{assets/rust_logo.png}
\includegraphics[width=.2\linewidth]{assets/AGPLv3_Logo.png} \includegraphics[width=.13\linewidth]{assets/AGPLv3_Logo.png}
\end{center} \end{center}
\end{frame} \end{frame}