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Is Zero downtime even possible on RDS?
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Join 29,000 others and follow Sean Hull on twitter @hullsean. Oh RDS, you offer such promise, but damn it if the devil isn’t always buried in the details. Diving into a recent project, I’ve been looking at upgrading RDS MySQL. Major MySQL upgrades can be a bit messy. Since the entire engine is rebuilt, queries […]

Understanding reservations, concurrency, and locking in Nova
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Imagine that two colleagues, Alice and Bob, issue a command to launch a new virtual machine at approximately the same moment in time. Both Alice’s and Bob’s virtual machines must be given an IP address within the range of IP addresses granted to their project. Let’s say that range is 192.168.20.0/28, which would allow for a total of 16 IP addresses for virtual machines [1]. At some point during the launch sequence of these instances, Nova must assign one of those addresses to each virtual machine.

How do we prevent Nova from assigning the same …

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Best Howto posts on Scalable Startups
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Join 28,000 others and follow Sean Hull on twitter @hullsean. MySQL slow query on RDS If you run MySQL as your backend datastore is there one thing you can do to improve performance across the application?. Those SQL queries are surely key. And the quickest way to find the culprits is to regularly analyze your […]

5 reasons to move data to Amazon Redshift
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Join 28,000 others and follow Sean Hull on twitter @hullsean. Amazon is rolling out new database offerings at a rapid clip. I wondered Did MySQL and Mongodb just have a beautiful baby called Aurora? That was last month. Another that’s been out for a while is the data warehouse offering called RedShift. 1. old-fashioned SQL […]

Did MySQL & Mongo have a beautiful baby called Aurora?
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Amazon recently announced RDS Aurora a new addition to their database as a service offerings. Here’s Mark Callaghan’s take on what’s happening under the hood and thoughts from Fusheng Han. Amazon is uniquely positioned with RDS to take on offerings like Clustrix. So it’s definitely worth reading Dave Anselmi’s take on Aurora. Join 28,000 others […]

Today’s startups: assemble at your own risk
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I was talking with Todd Hoff recently over at High Scalability about a trend I’ve seen of late. ME: I really liked this post by Zoli Kahan from Clay.io.  AWS, cloudflare, docker, haproxy, mysql, mongo, memcache, ansible.  They use just about every technology being talked about these days.   Todd: Yah, that’s why I asked […]

Is automation killing old-school operations?
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Join 27,000 others and follow Sean Hull on twitter @hullsean. I was shocked to find this article on ReadWrite: The Truth About DevOps: IT Isn’t Dead; It’s not even Dying. Wait a second, do people really think this? Truth is I have heard whispers of this before. I was at a meetup recently where the […]

Which tech do startups use most?
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Leo Polovets of Susa Ventures publishes an excellent blog called Coding VC. There you can find some excellent posts, such as pitches by analogy, and an algorithm for seed round valuations and analyzing product hunt data. He recently wrote a blog post about a topic near and dear to my heart, Which Technologies do Startups […]

Howto automate MySQL slow query analysis with amazon RDS
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If you’ve used relational databases for more than ten minutes, I hope you’ve heard of slow queries. Those are those pesky little gremlins that are slowing down your startup, and preventing scalability you so desperately need. Luckily there’s a solution. What I’ve found is if I send a report to developers every week, it keeps […]

If you use MySQL in the Amazon cloud, you need to ask yourself this question
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Join 25,000 others and follow Sean Hull on twitter @hullsean. Are you serious about backups? If you’re just using Amazon EBS snapshots, that may not be sufficient. There’s a good chance it won’t protect you against your next data loss. That’s why I like to have a few different types of backups Also: 5 more […]

Showing entries 1 to 10 of 74 10 Older Entries

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