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Displaying posts with tag: cassandra (reset)

Real-Time Replication from MySQL to Cassandra
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Earlier this month I blogged about our new Hadoop applier, I published the docs for that this week (http://docs.continuent.com/tungsten-replicator-3.0/deployment-hadoop.html) as part of the Tungsten Replicator 3.0 documentation (http://docs.continuent.com/tungsten-replicator-3.0/index.html). It contains some additional interesting nuggets that will appear in future blog posts.

The main part of that functionality that performs the actual applier for Hadoop is based around a JavaScript applier engine – there will eventually be docs for that as part of the Batch Applier content (

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New MySQL features, related technologies at Percona Live London
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The upcoming Percona Live London conference, November 11-12, features quite a number of talks about the latest MySQL features and related technologies. There will be a lots of talks about the new MySQL 5.6 features:

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Sending the query to the data
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It’s common wisdom that large-scale database systems require distributing the data across machines. But what seems to be missing in a lot of discussions is distributing the query processing too. By this I mean the actual computation that’s performed on the data.

I just had a conversation with Peter Zaitsev yesterday that helped make concrete some thoughts I’ve been having about Cassandra for a while. Because Cassandra doesn’t allow you to really do any computation in the data (aggregating, evaluating expressions, and so on), if you’re going to use it for truly Big data, you’re going to fetch enormous amounts of data across the network. Sure, you’re distributing the storage and retrieval across many machines — but you’re locating your data far

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On Oracle NoSQL Database –Interview with Dave Segleau.
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“We went down the path of building Oracle NoSQL database because of explicit request from some of our largest Oracle Berkeley DB installations that wanted to move away from maintaining home grown sharding implementations and very much wanted an out of box technology that can replicate the robustness of what they had built “out of [...]
What technologies are you running alongside MySQL?
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In many environments MySQL is not the only technology used to store in-process data.

Quite frequently, especially with large-scale or complicated applications, we use MySQL alongside other technologies for certain tasks of reporting, caching as well as main data-store for portions of application.

What technologies for data storage and processing do you use alongside MySQL in your environment? Please feel free to elaborate in the comments about your use case and experiences!

Note: There is a poll embedded within this post, please visit the site to participate in this post's poll.

The post

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On PostgreSQL. Interview with Tom Kincaid.
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“Application designers need to start by thinking about what level of data integrity they need, rather than what they want, and then design their technology stack around that reality. Everyone would like a database that guarantees perfect availability, perfect consistency, instantaneous response times, and infinite throughput, but it´s not possible to create a product with [...]
MHA & MariaDB Cassandra Interoperability talks
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Together with Sergei Petrunia, we talked about MariaDB Cassandra Interoperability. Sergei has done wonderful work here and I plan to showcase more Cassandra integration going forward. It’s worth noting that Elena came up with the benchmarks for this talk as well.

MariaDB Cassandra Interoperability from Colin Charles

Later, I gave a talk on MHA. Competing in a timeslot with

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Introducing Data Fabric Design for Commodity SQL Databases
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Extract from THE SCALE-OUT BLOG by Robert Hodges (CEO, Continuent)http://scale-out-blog.blogspot.com Data management is undergoing a revolution. Many businesses now depend on data sets that vastly exceed the capacity of DBMS servers. Applications operate 24x7 in complex cloud environments using small and relatively unreliable VMs. Managers need to act on new information from those systems in
Impressions of FOSDEM 13
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FOSDEM 13 is now over, I am on my way home and I would like to share some thoughts sparkled by the intense atmosphere that I have lived in these two days in Brussels.

I have to admit, I was tempted to skip FOSDEM this year: the last 3 weeks have been crazily busy and I travelled a lot, leaving my family alone for too long. But now I am glad I made the effort.
For once, I will leave the comments around the MySQL talks to others, I am sure there will be posts on the matter. In this post I want to cover some of the non-MySQL talks and discussions I have attended and heard. Of course the topics that have been discussed are still relevant for MySQL and for the future of the MySQL ecosystem.
First of all, the number of attendees was impressive. The organisers claim there were more than 5,000 open source enthusiasts,



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Impressions of FOSDEM 13
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FOSDEM 13 is now over, I am on my way home and I would like to share some thoughts sparkled by the intense atmosphere that I have lived in these two days in Brussels. I have to admit, I was tempted to skip FOSDEM this year: the last 3 weeks have been crazily busy and I travelled a lot, leaving my family alone for too long. But now I am glad I made the effort.  

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Showing entries 1 to 10 of 45 10 Older Entries

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