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Why TokuMX Replication Differs from MongoDB Replication

 | March 24, 2014 |  Posted In: Tokutek, TokuView

MongoDB replication has some great features. As I discussed in my last post, MongoDB’s crash safety design is very elegant. In addition to that, MongoDB has automatic failover, parallel slave replication, and prefetch threads on secondaries. The latter, as Mark Callaghan points out, is similar to “InnoDB fake changes”, a feature that has helped Facebook […]

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My Favorite MongoDB Replication Feature: Crash Safety

 | March 18, 2014 |  Posted In: Tokutek, TokuView

At an extremely high level, replication in MongoDB and MySQL are similar. Both databases have exactly one machine, the primary (or master), that accepts writes from clients. With a single transaction (or atomic operation, in MongoDB’s case), the tables and oplog (or binary log in MySQL) are modified to reflect the change. The log captures […]

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What’s new in TokuMX 1.4, Part 3: Optimized updates

 | February 19, 2014 |  Posted In: Tokutek, TokuView

We just released version 1.4.0 of TokuMX, our high-performance distribution of MongoDB. There are a lot of improvements in this version (release notes), the most of any release yet. In this series of blog posts, we describe the most interesting changes and how they’ll affect users. In TokuMX 1.4.0, we improved performance by making two […]

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What’s new in TokuMX 1.4, Part 2: Partitioned oplog

 | February 18, 2014 |  Posted In: Tokutek, TokuView

We just released version 1.4.0 of TokuMX, our high-performance distribution of MongoDB. There are a lot of improvements in this version (release notes), the most of any release yet. In this series of blog posts, we describe the most interesting changes and how they’ll affect users. In MongoDB, the replication oplog is a capped collection, […]

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Introducing TokuMX 1.4: Major improvements to MongoDB sharding and replication

 | February 13, 2014 |  Posted In: Tokutek, TokuView

Today we are thrilled to announce the availability of the latest release (1.4.0) of TokuMX, our high-performance distribution of MongoDB. For those of you just joining us, TokuMX is an open-source distribution of MongoDB that shares much of the code, and all of the driver protocols, data model, and programming interface with MongoDB, but which […]

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Q&A: Geographical disaster recovery with Percona Replication Manager

 | December 10, 2013 |  Posted In: High-availability, MySQL

My December 4 webinar, “Geographical disaster recovery with  Percona Replication Manager (PRM),”  gave rise to a few questions. The recording of the webinar and the slides are available here, and I’ve answered the questions I didn’t have time to address below. Q1: Hi, I was wondering if corosync will work in cloud environment. As far as […]

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