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24 lines
662 B
TeX
24 lines
662 B
TeX
\section{Comparison with Alternatives}
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\begin{table}[h]
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\centering
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\caption{Replication approaches}
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\begin{tabular}{@{}lcccc@{}}
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\toprule
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Approach & RPO & RTO & Complexity & Cost \\
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\midrule
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PVC snapshots & hours & minutes & low & low \\
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PostgreSQL streaming & 0 & seconds & high & high \\
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\textbf{WAL to S3} & \textbf{1\,s} & \textbf{seconds} & \textbf{low} & \textbf{low} \\
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CockroachDB & 0 & 0 & very high & very high \\
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\bottomrule
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\end{tabular}
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\end{table}
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WAL-to-S3 replication provides the best tradeoff for Zoo's
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requirements: near-zero RPO, fast recovery, minimal operational
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complexity, and compatibility with the Base/SQLite-per-org
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architecture.
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