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10 Newer Entries Showing entries 61 to 70 of 112 10 Older Entries

Displaying posts with tag: Database Management (reset)

MySQL Database Monitoring Best Practices
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The MySQL database is a crucial part of a wide variety of products, particularly web applications. Naturally, it is very important to monitor the health status of MySQL.  However, there is constant disagreement on which of the many MySQL status variables provide the best overview on MySQL health status and indicate that something is not right with a server.

It certainly depends on what your application does – tuning read performance is different than optimizing write operations and everything changes when you have a cluster. The average user can use small subset of variables while advanced user want to get more detailed picture …

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101 Tips to MySQL Tuning and Optimization
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MySQL is a powerful open-source database.  With more and more database driven applications, people have been pushing MySQL to its limits.  Here are 101 tips for tuning and optimizing your MySQL install.  Some tips are specific to the environment they are installed on, but the concepts are universal.   I have divided them up into several categories to help you with getting the most out of MySQL:

 

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Who/What to acquire next
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Well as predicted, with Aster Data recently being picked up by Teradata most of the key new generation MPP distributed analytics vendors have been acquired (Aster Data, Vertica, Netezza & Greenplum).  This had to happen and was expected to happen.  The MPP Analytics startup “revolution” is over and these technologies will now be integrated into the mainstream.

So …

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What’s hot in Big Data startups?
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There are so, so many big data platforms in play at the moment it can be confusing for developers to know where to start.  For startups it used to be simple, MySQL, but dust clouds were created when all the NoSQL platforms started to crash the party 18 months or so ago.  But I do see the dust begin to settle and we are starting to see some market “leaders” appear.  A very unscientific approach is to list the technologies I hear about in the “big data startup” world on a daily basis.  These are, in no particular order:

  • MySQL - yes it is still very much hanging in there despite the Oracle acquisition.  MySQL …
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Some NoSQL Myths
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I have been busy travelling recently but thought I would jot down a couple of NoSQL myths that are fresh in my head from my recent discussions.

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The problem with a full box of big data tools
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NoSQL”, for lack of better name, is a generic term that describes any data management system that does not use SQL as a query interface.  Generally this means any data management system that is non-relational, but the term also has also been stretched as far to include the boundaries of what constitutes a data management system at all (such as Hadoop).

Early on (a couple of years back in NoSQL time) when the term was coined I think the positioning was much more aggressive, but more recently this has …

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Big Data innovation marches on
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With IBM intending to acquire Netezza the predicted consolidation in the distributed analytics market is well underway.  Recent deals include EMC/Greenplum Teradata/Kickfire and now IBM/Netezza.  A good breakdown of this deal is on Curt’s blog.  There is still more to go of course with one of the crown jewels, Vertica, still ripe for …

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Was Stonebraker right?
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Back in 2008 Stonebraker & DeWitt published a paper and associated blog post titled “MapReduce: A major step backwards”.  Their key points being Map Reduce is:

  1. A giant step backward in the programming paradigm for large-scale data intensive applications
  2. A sub-optimal implementation, in that it uses brute force instead of indexing
  3. Not novel at all — it …


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VLDB 2010
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I will be at VLDB 2010 next week.  If anyone on this blog is attending and wants to catch up to discuss start ups and innovation in DB, NoSQL, Big Data etc drop me a line and I will try to meet up.

Riptano for Cassandra
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Cassandra is one of the most interesting NoSQL platforms at the moment.  And by most interesting what I really mean is the most clearly justifiable.  Some NoSQL platforms offer new data models, improved query interfaces and/or good single node performance through relaxed consistency models.  As a database guy however, the justification for throwing out the RDBMS baby and bathwater is still difficult at this point as NoSQL platforms tend to be highly focused in one aspect of data management, and very immature in all other areas.  Cassandra is somewhat different as it is more mature …

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10 Newer Entries Showing entries 61 to 70 of 112 10 Older Entries

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