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Atlassian Exceeds 99.9999% of Availability Using Sidecars and Highly Fault-Tolerant Design
Atlassian recently published how it exceeded 99.9999% of availability with its Tenant Context Service. Atlassian achieved this high availability by implementing highly-autonomous client sidecars, able to proactively shield themselves from complete AWS region failures. Sidecars query multiple services concurrently to accomplish this goal and ensure that requests are entirely isolated internally.
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Google Introduces Zero-ETL Approach to Analytics on Bigtable Data Using BigQuery
Recently, Google announced the general availability of Bigtable federated queries, with BigQuery allowing customers to query data residing in Bigtable via BigQuery faster. Moreover, the querying is without moving or copying the data in all Google Cloud regions with increased federated query concurrency limits, closing the longstanding gap between operational data and analytics.
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MongoDB Atlas Serverless Instances and Data API Now Generally Available
At the recent MongoDB World 2022 conference, MongoDB announced that serverless instances for Atlas and Data API are now generally available. The new managed serverless option introduces a tiered pricing, with automatic discounts on daily usage.
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Google Updates its Cloud MemoryStore with Read Replicas, RDB Snapshots, and Flushless Updates
Recently, Google announced a few updates for its Cloud MemoryStore, a fully-managed in-memory store compatible with open-source Redis. These updates are generally available (GA) Read Replicas, RDB (Redis database) snapshots in preview, and the launch of the flushless update for basic tier instances.
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Couchbase Mobile 3 Brings New C and Kotlin APIs, Simplified Administration
NoSQL database maker Couchbase has released Couchbase Mobile 3, its edge-ready mobile database, introducing a new C API to embed Couchbase Lite on embedded platforms, Kotlin support on Android, a new administration REST API, and security enhancements.
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Google Introduces Autoscaling for Cloud Bigtable for Optimizing Costs
Cloud Bigtable is a fully-managed, scalable NoSQL database service for large operational and analytical workloads on the Google Cloud Platform (GCP). And recently, the public cloud provider announced the general availability of Bigtable Autoscaling, which automatically adds or removes capacity in response to the changing demand for applications allowing cost optimizations.
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Migrating Neo4j Graph Schemas with Neo4j Migrations
Neo4j Labs has released Neo4j Migrations, a database migration and refactoring tool that offers version control for relational databases. Inspired by FlywayDB, the tool supports migrations based on Cypher statements or Java. Triggering the migrations is possible via the CLI, Maven plugin, or a Spring Boot starter.
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Airbnb Open Sources Ottr: a Serverless Public Key Infrastructure Framework
Airbnb announced that it has open-sourced Ottr, a serverless public key infrastructure framework developed in-house. Ottr handles end-to-end certificate rotations without the use of an agent. Ottr's primary design goal is to be a scalable and configurable serverless framework on AWS with little operational overhead or reliance on enrollment protocols.
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How Pinterest Scaled up Its Ad-Serving Architecture
On the Pinterest Engineering Blog, Nishant Roy wrote about their strategy to overcome a scaling problem with their ad corpus. Their existing solution had hit its scaling limit, but further growth was necessary. Its redesign offloaded the ad index to a key-value store and optimised garbage collection in their Go applications to increase their ad corpus size by a factor of 60.
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ZippyDB: the Architecture of Facebook’s Strongly Consistent Key-Value Store
Facebook Engineering recently published how it built its general-purpose key-value store, known as ZippyDB. ZippyDB is Facebook's biggest key-value store, which has been in production for more than six years. It offers flexibility to applications in terms of tunable durability, consistency, availability, and latency guarantees.
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Microsoft Warns Customers about a Critical Vulnerability in Azure Cosmos DB
Azure Cosmos DB is a globally-distributed and fully-managed NoSQL database service. Recently, Microsoft warned thousands of its Cosmos DB customers of a vulnerability that exposes their data. A flaw in the service could grant a malicious actor access keys to steal, edit or delete sensitive data.
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AWS Announces the General Availability of Amazon MemoryDB for Redis
Recently, AWS announced the general availability of Amazon MemoryDB for Redis, a new Redis-compatible, durable, in-memory database. The new database service is intended for applications that require microsecond read and single-digit millisecond write performance with data durability and high availability.
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Google Cloud Improves SLA for Bigtable and Adds New Security Features
Google Cloud has recently raised the availability SLA for Bigtable instances up to 99.999%, matching the SLA for Firestore and Cloud Spanner. The data storage system introduced as well two new security features for enterprise workloads, customer-managed encryption keys (CMEK) and data access audit logs.
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Amazon Adds Global Clusters to DocumentDB
Amazon recently announced support for global clusters on DocumentDB, the document-oriented database compatible with MongoDB.
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Google Provides a Peek into the Architecture of Colossus - Its Storage Foundation
In a recent post, Google provided a glimpse into the architecture of Colossus. Colossus underpins Google's scalable storage system, which serves both its Google Cloud offerings and Google's own globally available services such as YouTube, Google Drive, and Gmail. Five separate components compose Colossus - the client library, curators, metadata database, file servers, and custodians.
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