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Previous 30 Newer Entries Showing entries 31 to 60 of 101 Next 30 Older Entries

Displaying posts with tag: cloud computing (reset)

Top 3 Questions From Clients
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1. This page or area of the website is very slow, why?

There are a lot of components that make up modern internet websites, and a lot of places to get stuck in the mud.  Website performance starts with the browser, what caching it is doing, their bandwidth to your server, what the webserver is doing (caching or not and how), if the webserver has sufficient memory, and then what the application code is doing and lastly how it is interacting with the backend database.

With all this complexity, it's no wonder so many sites struggle.  Typically these types of analysis start with some load testing, to stress test your setup, so you can watch for leaks.  Then

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Specialty Technology Consultant – New York Scalability Consultant – MySQL & EC2 Scalability
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Amazon EC2 and cloud computing offer great promise for startups to ramp up their online presence quickly.  Navigate those challenges with an strong partner.  We bring 20 years experience to the table with each new client.

  • Scaling Web Applications
  • MySQL High Availability in Amazon EC2
  • Amazon Multi-AZ Deployments
  • Amazon RDS Deployments
  • Migrating to Amazon EC2
  • Migrating to MySQL
  • Managing Backups and Disaster Recovery in the Cloud
  • Horizontal Scalability of MySQL on EC2
  • Horizontal Scalability on Cloud Hosted Servers
  • Evaluating Cloud Providers
  • Evaluating MySQL
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Open Source Enables the Cloud
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With the fast growth of virtualized data centers, and companies like Google, Amazon and Facebook, it's easy to forget how much is built on open-source components, aka commodity software.  In a very real way open-source has enabled the huge explosion of commodity hardware, the fast growth of the internet itself, and now the further acceleration through cloud services, cloud infrastructure, and virtualization of data centers.

Your typical internet stack and application now stands on the shoulders of tens of thousands of open source developers and projects.  Let's look at a few of them.

1. Operating System - Linux

The commodity hardware craze would never have happened without the help of an open-source operating system to run on it.  Linux is an old story now, nonetheless everything else stands on it's shoulders.

2. Multi-purpose

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8 Questions to ask an AWS Expert
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If you're headhunting a cloud computing expert, specifically someone who knows Amazon Web Services (AWS) and EC2, you'll want to have a battery of questions to ask them to assess their knowledge.  As with any technical interview focus on concepts and big picture.  As the 37Signals folks like to say "hire for attitude, train for skill".  Absolutely!

1. Explain Elastic Block Storage?  What type of performance can you expect?  How do you back it up?  How do you improve performance?

EBS is a virtualized SAN or storage area network.  That means it is RAID storage to start with so it's redundant and fault tolerant.  If disks die in that RAID you don't lose data.  Great!  It is also virtualized, so you can provision and allocate storage, and attach it to your server with various API

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Resilient Services – Resilient Infrastructure – Site Reliability Engineer
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Modern internet infrastructure are complex.  Components and services are prone to failure.  Resiliency involves building redundancy, best practices and processes into your architecture to make you able to bend and not break.

  • Migrating to cloud service providers
  • Rearchitecting and refactoring applications to scale
  • Scaling the database tier - MySQL and Oracle
  • Building redundancy into every layer
  • Deploying object caches - memcache
  • Deploying page caches - varnish
  • Migrating to Innodb - transactional storage engine
  • Infrastructure design
  • Infrastructure automation
  • Disaster Recovery
  • Business Continuity with cloud deployments

Call or Skype us in New York City +1-212-533-6828

7 Ways to Troubleshoot MySQL
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MySQL databases are great work horses of the internet.  They back tons of modern websites, from blogs and checkout carts, to huge sites like Facebook.  But these technologies don't run themselves.  When you're faced with a system that is slowing down, you'll need the right tools to diagnose and troubleshoot the problem.  MySQL has a huge community following and that means scores of great tools for your toolbox. Here are 7 ways to troubleshoot MySQL.

1. Use innotop

Innotop is a great tool for MySQL which despite the name monitors MySQL generally as well as InnoDB usage.  It's fairly easy to install, just download the perl script. Be sure to include a [client] section to your local users .my.cnf file (you have one don't you?).  Inside that section, place one line with "user=xyz" and one line with "password=abc".

If you're concerned that

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5 Ways to Avoid EC2 Outages
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1. Backup outside of the Cloud

Some of the high profile companies affected by Amazon's April 2011 outage could have recovered had they kept a backup of their entire site outside of the cloud.  With any hosting provider, managed traditional data center or cloud provider, alternate backups are always a good idea.  A MySQL logical backup and/or incremental backup can be copied regularly offsite or to an alternate cloud provider.  That's real insurance!

2. Use alternate regions and availability zones

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MySQL Consulting – MySQL Services – MySQL Expert
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Call or SKYPE us in New York City: +1-212-533-6828

MySQL in the Cloud

  • Deploying MySQL in the Cloud
  • Cloud Security considerations for databases
  • Deploying in multiple Availability Zones
  • Deploying in multiple regions
  • Deploying MySQL with multi-az
  • Horizontal scalability in the cloud
  • MySQL spinup scripts
  • Deploying Amazon RDS
  • Evaluating RDS
  • Evaluating MySQL in the cloud
  • EBS Performance considerations
  • Tuning MySQL parameters in the cloud
  • Backup types & options
  • Mitigating against cloud server failure
  • Vertical scalability & MySQL on EC2

MySQL Consulting and Services

  • Backup & recovery
  • MySQL master master replication
  • MySQL replication & horizontal
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3 Ways to Boost Cloud Scalability
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Deploying in the Amazon cloud is touted as a great way to achieve high scalability while paying only for the computing power you use. How do you get the best scalability from the technology?

1. Use Auto-scaling

Auto-scaling is a unique feature of cloud computing and Amazon's EC2 offering. Setup a load balancer and a couple of webservers for your application as you normally would. Design your webserver based on a template AMI that you'll reuse over and over. Then setup auto-scaling and set thresholds based on the traffic you forecast. When a threshold is passed, AWS will spinup a new instance of your webserver, and roll it into the load balancer pool

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Summary of Blog Posts for Week of July 11
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I hope everyone is enjoying summertime, at least in the northern hemisphere. I’m about to head out to the pool, but before I go, here is a summary of this week’s blog posts.

1. Introduction to Perl interface for Monitis API
Monitis announces a simple way to access its API through Perl, a high-level, general-purpose, interpreted, dynamic programming language. This post demonstrates some examples for using the API with Perl and describes some of the benefits of the programming language. The source can be found on our Github page.

2. 101 Tips to


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When can I have a big server in the cloud?
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I was at a conference recently talking with a Major Cloud Hosting Provider and mentioned that for database servers, I really want large instances, quite a bit larger than the largest I can get now. The lack of cloud servers with lots of memory, many fast cores, and fast I/O and network performance leads to premature sharding, which is costly. A large number of applications can currently run on a single real server, but would require sharding to run in any of the popular cloud providers’ environments. And many of those applications aren’t growing rapidly, so by the time they outgrow today’s hardware we can pretty much count on simply upgrading and staying on a single machine.

The person I was talking to actually seemed to become angry at me, and basically called me an idiot. This person’s opinion is that no one should be

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The easy way to manage virtual/cloud images: from the outside with userdata and runurl scripts
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In March I posted a series of blog posts on my paternity leave MepSQL project, which I called MepSQL. There was still one piece created in the MepSQL buildsystem that I didn't publish or blog about. Since it is generally useful, I wanted to generalize and polish it and publish it separately. I finally had that done last week, when I also found that somebody else, namely alestic.com already published a similar solution 2 years ago. So yesterday I ported my BuildBot setup to use that system instead and am happy to publish it at the Open DB Camp 2011 in Sardinia.

Ok, so let's go back a little... What is the

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Wrap-up of 2011 MySQL Conference
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Two themes emerged at this week's MySQL conference: Mix your relational database with less formal solutions and move to the cloud. Naturally, the event included many other talks of a more immediate practical nature: data warehousing and business intelligence, performance (both in MySQL configuration and in the environment, which includes the changes caused by replacing disks with Flash), how to scale up, and new features in both MySQL and its children. But everyone seemed to agree that MySQL does not stand alone.

The world of databases have changed both in scale and in use. As Baron Schwartz said in his broad-vision keynote, databases are starting to need to handle petabytes. And he criticized open source database options as having poorer performance than proprietary ones. As for use,

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What VMware's Cloud Foundry announcement is about
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I chatted today about VMware's Cloud Foundry with Roger Bodamer, the EVP of products and technology at 10Gen. 10Gen's MongoDB is one of three back-ends (along with MySQL and Redis) supported from the start by Cloud Foundry.


If I understand Cloud Foundry and VMware's declared "Open PaaS" strategy, it should fill a gap in services. Suppose you are a developer who wants to loosen the bonds between your programs and the hardware they run on, for the sake of flexibility, fast ramp-up, or cost savings. Your choices are:

An IaaS (Infrastructure as a Service) product, which hands you an emulation of


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Going from MariaDB to MepSQL BuildBot setup and using EC2LatentBuildSlave to save money
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This is the third post in a series about developing the MepSQL build system. In the previous posts we chose BuildBot running in the Amazon EC2 cloud. In this post we actually get a closer look at how the packages are being built (to be followed by even closer looks in later posts :-)

One of the things missing when you fork MySQL is the build system. (The other main missing component being the manual.) It is possible for anyone to compile MySQL from source, but the actual build system (scripts, testing, etc) used by MySQL itself is not public. The same is true for the automated testing. MariaDB uses the open source

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Open Source Cloud Computing Training at Scale 9x
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This Friday at SCaLE 9x in Los Angeles, CA there will be a special build an open source cloud day teaching users how to use technologies from Cloud.com, OpenStack, Opscode and Zenoss to deploy, configure, manage and monitor



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Why to choose a cloud service, and which one
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This is the second part in a series of posts about how the MepSQL packages were built. In part 1 I evaluated OpenSuse Build System and Launchpad PPA and ended up concluding that running your own BuildBot system is the best choice, as those public services didn't provide any facility to test their packages.

This brings us to the next topic: As I don't possess any servers, should I buy one (or more) or should I try out the cloud services? If yes, should I use Amazon EC2 or something else?

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Why clouds and web services will continue to take over computing
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Series

What are the chances for a free software cloud?

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Defining clouds, web services, and other remote computing
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Series

What are the chances for a free software cloud?

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CAOS Theory Podcast 2010.12.10
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Topics for this podcast:

*Oracle, Java, the Apache Software Foundation and open source
*An update on some open source database and data management players
*CorraTech grows with support for open source application alternatives
*Red Hat-Makara acquisition analysis and impact
*Linux kernel report shows strong support, but what now for Novell?

iTunes or direct download (29:31, 5.1MB)

CAOS Theory Podcast 2010.11.12
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Topics for this podcast:

*Our latest CAOS Special Report – Control and Community
*Red Hat releases RHEL 6
*Symbian and Oracle highlight community challenges
*The latest on government adoption of OSS from GOSCON
*Open core issue continues, now with Linux and evil twins

iTunes or direct download (31:02, 8.5MB)

Four short links: 26 October 2010
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  • 12 Months with MongoDB (Worknik) -- every type of retrieval got faster than their old MySQL store, and there are some other benefits too. They note that the admin tools aren't really there for MongoDB, so "there is a blurry hand-off between IT Ops and Engineering." (via Hacker News)
  • Dawn of a New Day -- Ray Ozzie's farewell note to Microsoft. Clear definition of the challenges to come: At first blush, this world of continuous services and connected devices doesn’t seem very different than today. But those who build, deploy and manage today’s websites understand viscerally that fielding a truly continuous service is incredibly difficult and is only achieved by
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    Open source in the clouds and in the debates
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    We continue to see more evidence of the themes we discuss in our latest CAOS special report, Seeding the Clouds, which examines the open source software used in cloud computing, the vendors backing open source, the cloud providers using it and the impact on the industry.

    First, as usual, we are seeing consistencies between our own research — which indicates open source is a huge part of today’s cloud computing offerings from major providers like Amazon, Google, Rackspace, Terremark and VMware — and that of code analysis and management vendor Black Duck. In its analysis of code that runs the cloud, Black Duck also found a preponderance of open source pieces, in many cases the same projects we profile in our report.

    Indeed, open source software is an

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    Cloud systems vs. NoSQL email with tons of questions
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    I had an email after my webinar on NoSQL/SQL for Oracle Development Tools User Group last week (http://www.odtug.com/apex/f?p=500:1:0) from an attendee that was chock full of some questions. I decided to answer them to clarify with this fellow NoSQL and Cloud Systems. I'm pretty happy with my answers. I'd be glad for any thoughts from people about my replies.

    Here are my responses (the fellow's name is also Patrick):

    Patrick,

    You are welcome! Thank you for attending. I put that together a bit hasty but thought it was a good topic to be covering as there are so many organizations that are considering such an architecture.

    Patrick Francois wrote:
    > Hi,
    >
    > Thank you for the NoSQL Webinar!
    > Not an easy theme. ..kind of "wide open".
    > I have recently also tried getting more












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    Is OpenStack Cloud Computing Rocket Science?
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    There’s a real explosion of cloud platforms and management tools, it seems you can’t swing a dead cat without hitting one these days. In the commercial proprietary solutions space you have – CA’s 3Terra AppLogic, Enomaly, Nimbula, RightScale. In open source there are Eucalyptus



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    Judgment day for open source at Oracle
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    There are signals of continued problems and dysfunction — namely lack of support, organization and communication — in the OpenSolaris community. This follows on a deterioration of the OS leadership and support since Oracle bought Sun Microsystems, including the elimination of OpenSolaris CDs, one of the things that made the open source version of Solaris more like Linux.

    We had speculated on the fate of Sun open source software under Oracle and while we acknowledged Oracle’s participation in, contribution and commitment to and opportunity from open source software, we

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    A review of Cloud Application Architectures by George Reese
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    Cloud Application Architectures

    Cloud Application Architectures. By George Reese, O’Reilly 2009. (Here’s a link to the publisher’s site).

    This is a great book on how to build apps in the cloud! I was happy to see how much depth it went into. It’s short — 150 pages plus some appendixes — so I was expecting it to be a superficial overview. But it isn’t. It is thorough. And it is also obviously built on his own experience building very specific applications that he uses to run his business — he

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    Cloud Lock-in
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    I wrote this post for the Zenoss community blog today, on cloud lock-in today. Rather than cross-posting I’ll just give you the lead in and you can read it there if you like.

    2010 is definitely the year of the cloud, The IT world is abuzz with the benefits of cloud computing and rightfully so. Cloud computing, the logical extension of



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    Under-provisioning: the curse of the cloud
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    A common problem I see people running into when using a cloud computing service is the trap of under-provisioning. There’s a chain effect that leads to this result: 1) people don’t understand how virtualization works, and therefore 2) they don’t realize how much of a computing resource they’re really buying, so 3) they assume they are entitled to more than they really are, and 4) they under-provision. A few other causes and effects come into play here, too. For example, the choice to use the cloud is sometimes founded on economic assumptions that frequently turn out to be wrong. The cloud service looks more economically attractive than it really is, due to under-provisioning.

    Let’s get back to this idea that people under-provision. How do I know that’s happening? I’ll use anecdotal evidence to illustrate.

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    CAOS Theory Podcast 2010.04.16
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    Topics for this podcast:

    *The latest in VC funding for open source
    *VMware’s SpringSource buys cloud messenger Rabbit
    *Open source monitoring vendors’ key cloud partnershps
    *Oracle moves ahead, back on MySQL, OpenSolaris

    iTunes or direct download (25:38, 7MB)

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