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10 Newer Entries Showing entries 31 to 40 of 87 10 Older Entries

Displaying posts with tag: Blog (reset)

COLLABORATE Social Media Hour – Tue 4/24 1-2p Exhibit Hall (IOUG Booth)
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At Collaborate, and on the Web, come on and join us and F2F with the tech-saavy! COLLABORATE Social Media Hour  Tues, 4/24, 1–2 pm Exhibit Hall-IOUG Booth There’s no 140 character limit for this meet up! Stop by the IOUG … Continue reading →

just switched from wordpress to serendipity
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Today I switched my blog from wordpress to serendipity, because I was dissatisfied about the quality of some wordpress plugins. Serendipity apparently provides a smaller range of plugins with a higher quality. This site will be under construction for the next time and I will not publish the tutorials and howtos from my old blog.

This site is still under cunstruction …
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This site will be under construction for the next time.

Moved to a new hosting provider
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Again, I have moved to a new hosting provider after my free-tier with Amazon EC2 expired.  As usual I was looking for a good VPS provider with a decent price, providing good support and in particular a provider supporting FreeBSD, my favorite OS for server (for desktop I still prefer GNU/Linux.)

This time I have carefully reviewed many options and have finally settled with …

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Working with ScaleBase and NOSQL
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There is a huge amount of buzz around NOSQL, and we at ScaleBase are happy to see companies making the move to NOSQL. Despite what some people might think, we consider it a blessed change. It is time for applications to stop having a single data store – namely a relational database (probably Oracle) – and start using the best tool for the job.

In the last couple of years, since NOSQL technologies broke into our world, a lot of experience has been gathered on how to use them. Mainly, we see NoSQL technologies used for one of the following scenarios:

  • Queries that require a very short response time
  • Storing data without a well-defined …
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ScaleBase achieves 180K NO-TPM DBT2 results on Amazon RDS
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ScaleBase Releases Database DBT2 Performance Results

Technology achieves unprecedented transaction speed for a MySQL database at a low cost

 

Boston, Mass., December 12, 2011ScaleBase, Inc. today announced the results of its MySQL database benchmark, based on the industry-standard DBT-2 test. ScaleBase has achieved an unmatched 180,000 Transactions per Minute – the highest result for a MySQL database – while running on an Amazon RDS …

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Making the case for Database Sharding using a Proxy
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There are several ways to implement sharding in your application. The first and by far the most popular, is to implement it inside your application. It can be implemented as part of your own Data Access Layer, database driver, or an ORM extension. However, there are many limitations with such implementation, which drove us, at ScaleBase, to look for an alternative architecture.

As the above diagram shows, ScaleBase is implemented as a standalone proxy. There are several benefits to using such an architecture.

First and foremost, since the sharding logic is not embedded inside the application, third party applications can be used, be …

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What Makes a Schema good for Sharding
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The ScaleBase Analysis tool gives a schema a grade between 1 and 100 for being “sharding compatible”. It’s a neat feature, but many ask me how the grade is calculated. Well – here goes.

First of all, a good schema is one that is easy to shard. Database Normalization is usually a good thing when sharding. It means that finding the sharding key is easy, relationships between tables are clear, and the queries themselves are usually much simpler. So we try to give a grade on how well the schema is normalized.

After the sharding configuration is determined (see …

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How do you know when to shard your database?
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We at ScaleBase talk about sharding so much, it’s difficult for us to see why someone wouldn’t want to shard. But just because we’re so enthusiastic about our transparent sharding mechanism, it doesn’t mean we can’t understand the very basic question, “When do I shard?”
Well, it’s not the most difficult question to answer. I’ll keep it short: if your database exceeds the memory you have on a single machine, you should shard. If you hit I/O, your performance suffers, and sharding will assist.
Why? That’s easy to explain.
Databases in general (and MySQL is no exception) try to cache data. Because accessing memory is so much …


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Your web platform runs on an Oracle database? You must be Nuts! Part 3
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This is the third blog post in a series designed to assist companies who wish to migrate their code from Oracle to MySQL. You can read the previous post here.

I went over some of the difficult topics you’ll face when migrating from Oracle to MySQL. However, I left out the topic of database scalability (after all – this is a ScaleBase blog).

Oracle users are used to having a very clear scalability path. You start with an Oracle Standard edition, and if your budget allows, you increase hardware …

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10 Newer Entries Showing entries 31 to 40 of 87 10 Older Entries

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