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Showing entries 1 to 30 of 57 Next 27 Older Entries

Displaying posts with tag: twitter (reset)

Compile at CentOS 6.5 the new MySQL webscalesql-5.6.17 branch by Facebook, Google, LinkedIn, and Twitter
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http://webscalesql.org/

yeah , big buzz around that one :)

So I decided to check the install process:

1. Clone the repo from

root@webscalesql-5.6.clean:[Mon Mar 31 11:37:11][~]$ cd /opt/
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:15][/opt]$ mkdir installs
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:17][/opt]$ cd installs/
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:19][/opt/installs]$ git clone https://github.com/webscalesql/webscalesql-5.6.git
Initialized empty Git repository in /opt/installs/webscalesql-5.6/.git/
remote: Counting objects: 30397, done.
remote: Compressing objects: 100% (12678/12678), done.
remote: Total 30397 (delta 18716), reused
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Calvin Sun on MySQL at Twitter, Percona Live 2014 and Facebook
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Twitter’s Calvin Sun

Twitter’s Calvin Sun (@Calvinsun2012) is looking forward to the fast-approaching Percona Live MySQL Conference and Expo this April 1-4 in Santa Clara, Calif. He’ll be speaking, yes, but he’s also looking forward to learning from his peers – particularly those at Facebook. Both companies, he explained, are in the rather unique positions of unprecedented rapid growth and ever-expanding performance demands.

Calvin is a senior engineering manager at Twitter, where he manages MySQL development. Prior to that, he managed the InnoDB team at Oracle. Calvin also worked for

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Percona Live MySQL Conference and Expo 2014: Things I’m looking forward to
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The Percona Live MySQL Conference and Expo 2014 is just two months away. I’m very excited about this year’s event which continues our tradition of open technical discussions and inviting all parties to the table.

We have a great amount of technical talks from Oracle – I’m especially excited about future-focused talks shedding some light about what to expect in MySQL 5.7 and beyond. This content is best covered by developers actually designing the system and writing the code. We also have great coverage of MySQL

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A sneak peek at the Percona Live MySQL Conference & Expo 2014
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Percona founder and CEO Peter Zaitsev delivers the opening keynote at Percona Live 2013 in Santa Clara, Calif.

MySQL gurus from Oracle, Facebook, Google, LinkedIn, Twitter, Yelp (and more) have submitted papers and will speak at the third annual Percona Live MySQL Conference and Expo 2014 in sunny Santa Clara, California this coming April 1-4.

If you attended last April’s Percona Live MySQL Conference and Expo – and/or last month’s Percona Live London 2013 conference – then you understand the value of learning from some of the world’s best and brightest system

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Percona Live MySQL Conference and Expo 2013: It feels like 2007 again
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I actually don’t remember exactly whether it was in 2006, 2007 or 2008 — but around that time the MySQL community had one of the greatest MySQL conferences put on by O’Reilly and MySQL. It was a good, stable, predictable time.

Shortly thereafter, the MySQL world saw acquisitions, forks, times of uncertainly, more acquisitions, more forks, rumors (“Oracle is going to kill MySQL and the whole Internet”) and just a lot of drama and politics.

And now, after all this time some 6 or 7 years later, it feels like a MySQL Renaissance. All of the major MySQL players are coming to the

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Other MySQL branch code sizes
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Continuing on from my previous posts, MySQL code size over releases and MariaDB code size I’ve decided to also look into some other code branches. I’ve used the same methodology as my previous few posts: sloccount for C and C++ code only.

There are also other branches around in pretty widespread use (if only within a single company). I grabbed the Google, Facebook and Twitter patches and examined them too, along with Percona Server 5.1 and 5.5.

Codebase LoC (C, C++) +/- from MySQL Google v4 patch 5.0.37 970,110 +26,378 (from MySQL 5.0.37) MySQL@Facebook 1,087,715 +15,768  [Read more...]
[Plus] readers choice 2012 : It’s time to vote!
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Oh yes, 2012 was an incredible year for the MySQL Community!
That’s why I would like to change the rules this year and I would like to offer you a new survey for this [Plus] reader’s choice 2012.

Community users, bloggers and events made the whole community last year, tell us how you used this community?
It will only take 5 minutes of your precious time, votes will be closed Jan. 31.

Vote for what you used! (with your heart, again…)

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

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How I use twitter to follow the MySQL Community
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Here is a perfect post to read during your holidays :-)
There are many ways to get news on the internet : blogs, rss feeds, facebook, linkedin, twitter…
What I want to talk about here is how I use twitter to follow the MySQL Community and how I stay up to date of the latest news.
I use twitter only for focus on the MySQL news and the MySQL community, that’s why I would like to share this experience with you.

Step 1 : Choose your friends

Q: What is the most complicated with Twitter ?
A: Read all the tweets that we receive every day

Of course it can be complicated and that takes a long long time…
That’s why you must choose who is your best friends carefully.

Except for the MySQL rock stars, I advise you to use TweetStats before to






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Tech Messages | 2012-05-11
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A special extended edition of Tech Messages for 2011-09-21 through 2012-05-11:

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 →
Twitter, Facebook MySQL trees online – pushing MySQL forward
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Just yesterday, I’m sure many saw Twitter opensourcing their MySQL implementation. It is based on MySQL 5.5 and the code is on Github.

For reference, the database team at Facebook has always been actively blogging, and keeping up their code available on Launchpad. Its worth noting that the implementation there is based on MySQL 5.0.84 and 5.1.

At Twitter, most of everything persistent is stored in MySQL – interest graphs, timelines, user data and those precious tweets themselves! At Facebook, its pretty similar – all user interactions like likes, shares, status updates, requests, etc. are

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Twitter bug found!
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Some days ago while I’m looking for what are saying about a mysql.com server down I found a twitter bug:

Is not a big deal, to repeat this bug you must follow these steps:

1. Find any term, in this case “mysql.com” then in results looking for a word that have the search term as a part of them (ex dev.mysql.com) and select the a part or entire word:

2. Press Ctrl + C,  some HTML codes appear from nowhere:

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What have I been up to lately?
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Despite my best intentions, I haven't posted on this blog for a while, which is a shame! I've become busy writing on so many other places since I moved into my new role in the Oracle Linux product management team in April. I've learned a lot and I am feeling quite at home here! The team is excellent and very nice to work with — I am slowly getting the "Big Picture".

But even though I've been neglecting this blog, there are a lot of things that are publicly visible and document some of my activites:

I've created two podcasts for the Oracle Linux podcasts:   [Read more...]
451 CAOS Links 2011.08.23
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Engine Yard acquires Orchestra. Red Hat considers NoSQL move. And more.

# Engine Yard announced a definitive agreement to acquire Orchestra, bringing PHP expertise to the Engine Yard platform.

# Red Hat’s CEO indicated the company is interested in a NoSQL or Hadoop acquisition.

# Gluster announced Apache Hadoop compatibility in the next GlusterFS release.

# Microsoft signed an agreement with China Standard Software Co (CS2C) to support CS2C

  [Read more...]
451 CAOS Links 2011.08.12
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Couchbase raises $14m. AppFog raises $8m. Much ado about Percona Live MySQL Conference and Expo. And more.

# Couchbase raised $14m in series C funding for its NoSQL database.

# AppFog raised $8m series B funding for its PHP-based platform-as-a-service.

# Percona announced its plans to host a Percona Live MySQL Conference and Expo on April 10-12, effectively replacing the O’Reilly MySQL Conference and Expo.

# The announcement sparked some rumblings of discomfort around the MySQL community with Giuseppe Maxia and

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451 CAOS Links 2011.08.05
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Google and Microsoft trade patent claims. Actuate announces Q2 results. And more.

# Google accused Microsoft, Oracle, Apple and other companies of organising a hostile patent campaign against Android. That prompted Microsoft executives to claim that Microsoft invited Google to be involved in the CPTN purchase of Novell’s patents. However, Google explained that joining CPTN might have decreased its ability to defend itself against potential patent claims.

# Actuate announced its Q2

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Real-time streaming data aggregation
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Dear Kettle users,

Most of you usually use a data integration engine to process data in a batch-oriented way.  Pentaho Data Integration (Kettle) is typically deployed to run monthly, nightly, hourly workloads.  Sometimes folks run micro-batches of work every minute or so.  However, it’s lesser known that our beloved transformation engine can also be used to stream data indefinitely (never ending) from a source to a target.  This sort of data integration is sometimes referred to as being “streaming“, “real-time“, “near real-time“, “continuous” and so on.  Typical examples of situations where you have a never-ending supply of data that needs to be processed the instance it becomes available are JMS (Java Message Service), RDBMS log sniffing, on-line fraud

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451 CAOS Links 2010.10.08
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Patents! Patents! Patents! Canonical’s perfect 10. And more.

Follow 451 CAOS Links live @caostheory on Twitter and Identi.ca, and daily at Paper.li/caostheory
“Tracking the open source news wires, so you don’t have to.”

# Google responded to Oracle’s claims that its Android OS infringes copyrights and patents related to Java.

# Matt Asay evaluated the various patent claims against Android and its related devices.

# Microsoft licensed smartphone patents from ACCESS Co and a subsidiary of Acacia Research.

# Glyn Moody assessed what Microsoft’s


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Open Query on Twitter/Identi.ca
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Open Query now has its own @openquery account on Twitter and Identi.ca so you can conveniently follow us there for announcements and tips – and also ask us questions! All OQ engineers can post/reply. The OQ site front page also tracks this feed.

Previously I was posting from my personal @arjenlentz account with #openquery hashtag, but that’s obviously less practical.

OpenSQL Camp Europe: Time to cast your votes!
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If you wonder why there hasn't been an update from me for quite a while — I just returned from two months of paternal leave, in which I actually managed to stay away from the PC most of the time. In the meanwhile, I've officially become an Oracle employee and there is a lot of administrative things to take care of... But it feels good to be back!

During my absence, Giuseppe and Felix kicked off the Call for Papers for this year's European OpenSQL Camp, which will again take place in parallel to FrOSCon in St. Augustin (Germany) on August

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ODTUG Kaleidoscope 2010: Best Practices
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Updated: 29-Jun-2010, 30-Jun-2010.

For me, ODTUG Kaleidoscope 2010 started on Friday with the ACE Directors briefing. Best practices topic was touched there slightly and I twitted about it. I decided that the feedback deserves a blog post so I’m simply quoting the conversation here. If you have anything to add, you know where to find the comment box.

alexgorbachev:
best practices should be forbidden or rather renamed to blue-prints #
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Analyze online behavior with MySQL and PHP
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A useful feature of statistical systems in social networking backend's is the analysis of when members are mostly, or better said, in average online. Imagine, that we have a database table to store DATETIME-timestamps of when users logged in, which could look like this:

Read the rest »

Not Only NoSQL!! Uber Scaling-Out with SPIDER storage engine
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The history tells that a single RDBMS node cannot handle tons of traffics on web system which come from all over the world, no matter how the database is tuned. MySQL has implemented a master/slave style replication built-in for long time, and it has enabled web applications to handle traffics using a scale-out strategy. Having many slaves has been suitable for web sites where most of traffics are reads. Thus, MySQL's master/slave replication has been used on many web sites, and is being used still.

However, when a site grow large, amount of traffic may exceed the replication's capacity. In such a case, people may use memcached. It's an in-memory, very fast and well-known KVS, key value store, and its read throughput is far better than MySQL. It's been used as a cache for web applications to store 'hot' data with MySQL as a back-end storage, as it can reduce

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Log Buffer #182, a Carnival of the Vanities for DBAs
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This is the 182nd edition of Log Buffer, the weekly review of database blogs. Make sure to read the whole edition so you do not miss where to submit your SQL limerick!

This week started out with me posting about International Women’s Day, and has me personally attending Confoo (Montreal) which is an excellent conference I hope to return to next year. I learned a lot from confoo, especially the blending nosql and sql session I attended.

This week was also the Hotsos Symposium. Doug’s

  [Read more...]
451 CAOS Links 2010.03.02
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Novell’s Q1. The future of OpenSolaris. And more.

Follow 451 CAOS Links live @caostheory on Twitter and Identi.ca

“Tracking the open source news wires, so you don’t have to.”

# Novell reported Linux platform revenue of $37.5m in Q1, up 6.4%.

# Internet.com reported that Novell’s Linux business broke even as Microsoft deal revenues fade.

# As the H reported Oracle exec Dan Roberts confirmed that OpenSolaris has a future at Oracle.

# Citrix acquired Paglo, launched GoToManage service.

# StatusNet launched StatusNet

  [Read more...]
Getting started with Cassandra
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With the motivation from today’s public news on Twitter’s move from MySQL to Cassandra, my own skills desire following in-depth discussions at last November’s Open SQL Camp to consider Cassandra and yesterday’s discussion with a new client on persistent key-value store products, today I download installed and configured for the first time. Not that today’s news was unexpected, if you follow the Twitter Engineering Open Source projects you would have seen Cassandra as well as other products being used or evaluated by Twitter.

So I went from

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When it Comes to Tweets, the Key is Location, Location, Location!
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When you only have 140 characters to get your message across, you have to depend a lot on context. For Twitter, a big part of that context has become location. Knowing where someone is tweeting from can add a lot of value to the experience, and it's Raffi Krikorian's job to integrate location into Twitter. Raffi will be talking about this and other location-related topics at the upcoming Where 2.0 conference. We began by asking him how Twitter determines location, and whether it will always be an opt-in option.

Raffi Krikorian: I think part of it is based around the philosophy of Twitter itself. We only publish information that you've explicitly given to us on a tweet-by-tweet basis. So for location on your tweets, it's all opt-in. You have to give us that location

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#songsincode on Twitter, SongsInCodeDB
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Looking at twitter #songsincode (just search on #songsincode tag), it appears a large chunk of geeky/nerdy world has come to a halt while spending the day expression song titles in code. So far we’ve seen most programming languages as well as CSS and SQL come by. I think it’s a nice example of how “the collective” can become very creative. My favourite SQL ones so far (by @john_chr): SELECT * FROM walk WHERE gait LIKE '%EGYPTIAN%'

Update: a good friend of mine, Steve Thorne (@Jerub), wanted to set up a site for this, so we hacked one up: SongsInCodeDB.

Four short links: 14 August 2009
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  • Page2Pub -- harvest wiki content and turn it into EPub and PDF. See also Sony dropping its proprietary format and moving to EPub. Open standards rock. (via oreillylabs on Twitter)
  • SQL Pie Chart -- an ASCII pie chart, drawn by SQL code. Horrifying and yet inspiring. Compare to PostgreSQL code to produce ASCII Mandelbrot set. (via jdub on Twitter and Simon Willison)
  • How
  •   [Read more...]
    Four short links: 7 August 2009
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  • Defragging the Stimulus -- each [recovery] site has its own silo of data, and no site is complete. What we need is a unified point of access to all sources of information: firsthand reports from Recovery.gov and state portals, commentary from StimulusWatch and MetaCarta, and more. Suggests that Recovery.gov should be the hub for this presently-decentralised pile of recovery data.
  • Memetracker -- site accompanying the research written up by the New York Times as Researchers at Cornell, using powerful computers and clever algorithms, studied the news cycle by looking for repeated phrases and tracking their appearances on 1.6
  •   [Read more...]
    Showing entries 1 to 30 of 57 Next 27 Older Entries

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