Tag Archives: MongoDB

April 24 Webinar – MongoDB Clusters: Tips,...

Posted on by Amanda Jordan

As you scale, one of the challenges is optimizing your clusters and mitigating operational risk. Proper preparation can result in significant savings and reduced downtime.
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SPEAKER: Jon Tobin, Tokutek and Vinay Joosery, Severalnines
DATE: Thursday, April 24th
TIME:

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How TokuMX Secondaries Work in Replication

Posted on by Zardosht Kasheff

As I’ve mentioned in previous posts, TokuMX… replication differs quite a bit from MongoDB’s replication. The differences are large enough such that we’ve completely redone some of MongoDB’s existing algorithms. One such area is how secondaries apply oplog data

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On TokuMX Oplog, Tailable Cursors, and Concurrency

Posted on by Zardosht Kasheff

In a post last week, I described the difference in concurrency behavior between MongoDB’s oplog and TokuMX’s… oplog. In short, here are the key differences:

MongoDB protects access to the oplog with a database level reader/writer lock, whereas TokuMX

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On TokuMX (and MongoDB) Replication and...

Posted on by Zardosht Kasheff

In my last post, I describe the differences between a TokuMX oplog entry and a MongoDB oplog entry. One reason why the entries are so different is that TokuMX supports multi-statement and multi-document transactions…. In this post, I

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Comparing a TokuMX and MongoDB Oplog Entry

Posted on by Zardosht Kasheff

As I mentioned in my last post…, TokuMX replication is completely incompatible with MongoDB replication. Replica sets (and sharded clusters, but that is for another blog) must be either entirely TokuMX or entirely MongoDB. This is by design. While

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Why TokuMX Replication Differs from MongoDB...

Posted on by Zardosht Kasheff

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,

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My Favorite MongoDB Replication Feature: Crash...

Posted on by Zardosht Kasheff

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

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March 5 Webinar: Which MongoDB Distribution Should...

Posted on by Amanda Jordan

It may be easy to choose a NoSQL database, but do you know which distribution is best for you? Which will perform better? Which will scale further? Look before you leap.
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SPEAKER: John Schulz
DATE: Wednesday, March 5th

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What’s new in TokuMX 1.4, Bonus Part 6:...

Posted on by Leif Walsh

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

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What’s new in TokuMX 1.4, Part 5: Faster...

Posted on by Leif Walsh

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

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