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The Distributed SQL Blog

YSQL Architecture: Implementing Distributed SQL in YugabyteDB
October 25, 2018
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Distributed SQLHow It WorksPostgreSQLYugabyteDB

YSQL Architecture: Implementing Distributed SQL in YugabyteDB

In this post, we will look at the architecture of YSQL, the PostgreSQL-compatible distributed SQL API in YugabyteDB. We will also touch on the current state of the project and the next steps in progress. Here is a quick overview:

  • YugabyteDB has a common distributed storage engine that powers both SQL and NoSQL
  • For supporting NoSQL apps, YugabyteDB is designed for low latency, sub-millisecond reads and massive write scalability. It can handle millions of requests and many TBs of data per node with linear scalability and high resilience.

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Apache Cassandra: The Truth Behind Tunable Consistency, Lightweight Transactions & Secondary Indexes
October 22, 2018
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ACID TransactionsApache CassandraHow It Works

Apache Cassandra: The Truth Behind Tunable Consistency, Lightweight Transactions & Secondary Indexes

ACID transactions were a big deal when first introduced formally in the 1980s in monolithic SQL databases such as Oracle and IBM DB2. Popular distributed NoSQL databases of the past decade including Apache Cassandra initially focused on “big data” use cases that did not require such guarantees and hence avoided implementing them altogether. Our post, “A Primer on ACID Transactions: The Basics Every Cloud App Developer Must Know” details the various types of ACID transactions (single key,

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Google Spanner vs. Calvin: Is There a Clear Winner in the Battle for Global Consistency at Scale?
October 11, 2018
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ACID TransactionsCockroachDBGoogle SpannerHow It Works

Google Spanner vs. Calvin: Is There a Clear Winner in the Battle for Global Consistency at Scale?

Prof. Daniel Abadi, lead inventor of the Calvin transaction management protocol and the PACELC theorem, wrote a thought-provoking post last month titled “NewSQL database systems are failing to guarantee consistency, and I blame Spanner”. The post takes a negative view of software-only Google Spanner derivative databases such as YugabyteDB and CockroachDB that use Spanner-like partitioned consensus for single shard transactions and a two phase commit (2PC) protocol for multi-shard (aka distributed) ACID transactions.

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YugabyteDB 1.1 New Feature: Public IPs to Simplify Multi or Hybrid Cloud Database Deployments
October 2, 2018
By
How It WorksHow ToYugabyteDB

YugabyteDB 1.1 New Feature: Public IPs to Simplify Multi or Hybrid Cloud Database Deployments

Welcome to another post in our ongoing series that highlights new features from the latest 1.1 release announced last week. Today we are going to look at the importance of public IP addresses and hostnames in simplifying multi-cloud and hybrid cloud deployments.

In modern cloud deployments, servers often have a combination of private IP addresses (used in the private LAN and often the IP address of the network interface on the server),

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YugabyteDB 1.1 New Feature: Document Data Modeling with the JSON Data Type
September 26, 2018
By
Apache CassandraCommunity NewsHow It WorksMongoDBYugabyteDB

YugabyteDB 1.1 New Feature: Document Data Modeling with the JSON Data Type

Welcome to another post in our ongoing series that highlights new features from the latest 1.1 release announced last week. Today we are going to look at document data modeling using the native JSON data type available in YugabyteDB’s Cassandra compatible YCQL API. Note that this data type is specific to YugabyteDB and is not part of the standard Cassandra Query Language (CQL).

With YugabyteDB’s native JSON support,

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YugabyteDB 1.1 New Feature: Speeding Up Queries with Secondary Indexes
September 25, 2018
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Apache CassandraCommunity NewsHow It WorksMongoDBYugabyteDB

YugabyteDB 1.1 New Feature: Speeding Up Queries with Secondary Indexes

Welcome to another post from our ongoing series where we highlight a new feature from the latest 1.1 release! Today we are going to look at secondary indexes.

Defining Secondary Indexes

A database index is a data structure that improves the speed of data retrieval operations on a database table. Typically, databases are very efficient at looking up data by the primary key. A secondary index can be created using one or more columns of a database table,

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Technical Deep Dive into YugabyteDB 1.1
September 21, 2018
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Apache CassandraCommunity NewsCompany NewsPerformance BenchmarksPostgreSQLYugabyteDB

Technical Deep Dive into YugabyteDB 1.1

We announced the general availability of YugabyteDB 1.1 earlier this week. You can download the latest version for your OS or use our default container image as documented in our Quick Start page.

YugabyteDB is an open source database for high performance applications that require ACID transactions and multi-region data distribution. By combining transactional NoSQL and distributed SQL in a single database, YugabyteDB eliminates the need for multiple databases.

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Ravi Murthy: Starting a New Chapter with YugaByte
September 19, 2018
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Community NewsCompany News

Ravi Murthy: Starting a New Chapter with YugaByte

In case you missed the announcement, Ravi Murthy has joined YugaByte as our VP of Engineering. Read on to learn more about his experiences leading the teams who managed the explosive growth of applications and data at Facebook, plus what’s next at YugaByte!

After almost 7 years at Facebook, I am super-excited to start in my new role as YugaByte’s VP of Engineering. This post provides a brief history of my career through the years,

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