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Announcing TokuMX v2.0

Posted On September 30, 2014 | By Tim Callaghan | 3 comments

Today we released TokuMX v2.0, the latest version of Tokutek's high-performance MongoDB distribution. Highlights of this new release are as follows: Fast updates that can boost the speed of updates to unindexed fields by more than 10x. Ark elections making replication trustworthy and more ops-friendly. Smaller oplog entries made possible…

Fast Updates : Coming Soon in TokuMX v2.0

Posted On September 29, 2014 | By Tim Callaghan | 0 comments

Coming in TokuMX v2.0 is a feature we’re calling “Fast Updates”. Fast updates permit certain update operations to bypass the read-modify-write behavior that most databases require (including MongoDB and the current release of TokuMX). In this blog I’ll cover how Fast Updates work by describing a simple schema and workload,…

TokuDB Read Free Replication : Details and Use Cases

Posted On September 25, 2014 | By Tim Callaghan | 0 comments

The biggest innovation in TokuDB v7.5 is Read Free Replication (RFR). I blogged a few days ago posting a benchmark showing how much additional throughput can be achieved on a replication slave, while at the same time lowering the read IO operations to almost zero. The official documentation on the…

TokuDB v7.5 Read Free Replication : The Benchmark

Posted On September 23, 2014 | By Tim Callaghan | 0 comments

New to TokuDB® v7.5 is a feature we're calling "Read Free Replication" (RFR). RFR allows TokuDB replication slaves to process insert, update, and delete statements with almost no read IO. As a result, the slave can easily keep up with the master (no lag) as well as brings all the…

TokuMX 2.0 preview and bug hunt

Posted On September 22, 2014 | By Tim Callaghan | 6 comments

TokuMX 2.0 is coming at the end of this month, and it’s going to be the most innovative release of TokuMX since our first release last June.  Version 2.0 represents the realization of many of our engineering aspirations from when we started the TokuMX project, and we’re all eager to…

Announcing TokuDB v7.5: Read Free Replication

Posted On September 18, 2014 | By Tim Callaghan | 1 comments

Today we released TokuDB® v7.5, the latest version of Tokutek's storage engine for MySQL and MariaDB. I'll be publishing two blogs next week to go into more details about our new "Read Free Replication", but here are high level descriptions of the most important new features. Read Free ReplicationTokuDB replication…

Explaining Ark Part 4: Fixing Majority Write Concern

Posted On August 7, 2014 | By Zardosht Kasheff | 0 comments

This is the fourth post in a series of posts that explains Ark, a consensus algorithm we’ve developed for TokuMX and MongoDB to fix known issues in elections and failover. The tech report we released describes the algorithm in full detail. These posts are a layman’s explanation. This post assumes…

An Updated Description of Clustering Keys for TokuDB

Posted On August 6, 2014 | By Rich Prohaska | 0 comments

Covering indexes can result in orders of magnitude performance improvements for queries. Bradley's presentation on covering indexes describes what a covering index is, how it can effect performance, and why it works. However, the definition of a covering index can get cumbersome since MySQL limits the number of columns in a…

New TokuMX Meetup Groups Formed

Posted On August 1, 2014 | By Dave Rosenlund | 0 comments

Tokutek is pleased to announce the formation of two new TokuMX Bay Area Meetup Groups, as well as each group's inaugural meet up event. These groups are for anyone who's interested in delivering high-performance big data applications built with the world's most popular NoSQL solution, MongoDB. Join Tokutek team members,…

Explaining Ark Part 3: Why Data May Be Lost on a Failover

Posted On July 30, 2014 | By Zardosht Kasheff | 0 comments

This is the third post in a series of posts that explains Ark, a consensus algorithm we’ve developed for TokuMX and MongoDB to fix known issues in elections and failover. The tech report we released last week describes the algorithm in full detail. These posts are a layman’s explanation. In…