forked from Deuxfleurs/garage
Add slide on consistency
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2 changed files with 30 additions and 20 deletions
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@ -168,18 +168,10 @@
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\centering
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\only<1>{
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\includegraphics[width=.55\columnwidth]{img/consistent_hashing_1.pdf}
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}
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\only<2>{
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\includegraphics[width=.55\columnwidth]{img/consistent_hashing_2.pdf}
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}
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\only<3>{
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\includegraphics[width=.55\columnwidth]{img/consistent_hashing_3.pdf}
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}
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\only<4>{
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\includegraphics[width=.55\columnwidth]{img/consistent_hashing_4.pdf}
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}
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\only<1>{\includegraphics[width=.55\columnwidth]{img/consistent_hashing_1.pdf}}%
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\only<2>{\includegraphics[width=.55\columnwidth]{img/consistent_hashing_2.pdf}}%
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\only<3>{\includegraphics[width=.55\columnwidth]{img/consistent_hashing_3.pdf}}%
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\only<4>{\includegraphics[width=.55\columnwidth]{img/consistent_hashing_4.pdf}}%
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\end{frame}
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\begin{frame}
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@ -188,13 +180,32 @@
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\includegraphics[width=.85\columnwidth]{img/garage_tables.pdf}
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\end{frame}
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\begin{frame}
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\frametitle{Modèles de cohérence}
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Garage utilise un modèle de cohérence relativement faible :
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\vspace{1em}
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\begin{itemize}
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\item Objets répliqués 3 fois, quorum de 2 pour les lectures et les écritures\\
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$\to$ cohérence \textbf{``read your writes''}
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\vspace{1em}
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\item<2-> Types de donnée CRDT + mécanisme d'anti-entropie\\
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$\to$ cohérence \textbf{à terme} (eventual consistency)
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\vspace{1em}
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\item<3-> Cela s'applique pour chaque fichier individuellement :\\
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pas de linéarisabilté ou de cohérence causale entre les opérations\\
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sur des fichiers différents
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\vspace{1em}
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\item<4-> \textbf{Avantage :} convient bien à un déploiement géodistribué (multi-datacenter)
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\end{itemize}
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\end{frame}
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\begin{frame}
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\frametitle{Rust : retour d'expérience}
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Garage est entièrement écrit en Rust !
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\begin{columns}
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\begin{column}{0.5\textwidth}
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\begin{column}{0.55\textwidth}
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Garage est entièrement écrit en Rust !
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\vspace{2em}
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\textbf{Points forts :}
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@ -209,17 +220,15 @@
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\vspace{.5em}
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\item Un écosytème de librairies très complet:
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serialisation, async/await, http, ...
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\vspace{.5em}
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\end{itemize}
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\end{column}
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\begin{column}{0.5\textwidth}
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\begin{column}{0.45\textwidth}
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\begin{centering}
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\includegraphics[width=0.55\columnwidth]{img/rustacean-flat-happy.png}
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\hspace{2em}\includegraphics[width=0.55\columnwidth]{img/rustacean-flat-happy.png}
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\end{centering}
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\vspace{1em}
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\vspace{2em}
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\textbf{Points faibles :}
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\vspace{.5em}
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\begin{itemize}
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@ -227,6 +236,7 @@
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\vspace{.5em}
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\item Compliqué à apprendre
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\end{itemize}
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\vspace{2em}
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\end{column}
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\end{columns}
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