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Computer Science > Databases

arXiv:2401.11162 (cs)
[Submitted on 20 Jan 2024]

Title:Extending Polaris to Support Transactions

Authors:Josep Aguilar-Saborit, Raghu Ramakrishnan, Kevin Bocksrocker, Alan Halverson, Konstantin Kosinsky, Ryan O'Connor, Nadejda Poliakova, Moe Shafiei, Taewoo Kim, Phil Kon-Kim, Haris Mahmud-Ansari, Blazej Matuszyk, Matt Miles, Sumin Mohanan, Cristian Petculescu, Ishan Rahesh-Madan, Emma Rose-Wirshing, Elias Yousefi
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Abstract:In Polaris, we introduced a cloud-native distributed query processor to perform analytics at scale. In this paper, we extend the underlying Polaris distributed computation framework, which can be thought of as a read-only transaction engine, to execute general transactions (including updates, deletes, inserts and bulk loads, in addition to queries) for Tier 1 warehousing workloads in a highly performant and predictable manner. We take advantage of the immutability of data files in log-structured data stores and build on SQL Server transaction management to deliver full transactional support with Snapshot Isolation semantics, including multi-table and multi-statement transactions. With the enhancements described in this paper, Polaris supports both query processing and transactions for T-SQL in Microsoft Fabric.
Comments: 12 pages, 12 Figures
Subjects: Databases (cs.DB)
Cite as: arXiv:2401.11162 [cs.DB]
  (or arXiv:2401.11162v1 [cs.DB] for this version)
  https://doi.org/10.48550/arXiv.2401.11162

Submission history

From: Josep Aguilar Saborit [view email]
[v1] Sat, 20 Jan 2024 07:58:47 UTC (689 KB)
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