high_scalability high_scalability-2008 high_scalability-2008-370 knowledge-graph by maker-knowledge-mining

370 high scalability-2008-08-18-Forum sort order


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Source: html

Introduction: G'day, I noticed the default sort order for the forum is to show the posts with the most replies first. That seems a bit odd for a forum. Would it not make sense to show the posts with the most recently replies first? It is possible to re-sort the forum threads that way by clicking on the "Last post" header (twice). It would seem like a more sensible default. I've checked and I see the same behaviour as both a registered (logged in) and anonymous user. Cheers - Callum .


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1 G'day, I noticed the default sort order for the forum is to show the posts with the most replies first. [sent-1, score-1.732]

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3 It is possible to re-sort the forum threads that way by clicking on the "Last post" header (twice). [sent-4, score-1.018]

4 I've checked and I see the same behaviour as both a registered (logged in) and anonymous user. [sent-6, score-0.853]


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Introduction: G'day, I noticed the default sort order for the forum is to show the posts with the most replies first. That seems a bit odd for a forum. Would it not make sense to show the posts with the most recently replies first? It is possible to re-sort the forum threads that way by clicking on the "Last post" header (twice). It would seem like a more sensible default. I've checked and I see the same behaviour as both a registered (logged in) and anonymous user. Cheers - Callum .

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Introduction: Seems as though anonymous users can edit old posts w/o any authentication. This post was loaded with spam/porn links. Now it is not. /anonymous

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Introduction: I'm moving this from the forum section to the front page. Just FYI, any registered user can Submit a Link to this blog. You don't have to use the forums. In The Architectures You've Always Wondered About track at the Qcon conference, Second Life, eBay, Yahoo, LinkedIn and Orbitz presented how they dealt with different aspects of their applications, such as scalability. There were quite a few lessons that I learned that day that I thought were worth sharing.

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Introduction: You may have noticed something is a little a different when visiting HighScalability today: We've Moved! HighScalability.com has switched hosting services to Squarespace.com. House warming gifts are completely unnecessary. Thanks for the thought though. It's been a long long long process. Importing a largish Drupal site to Wordpress and then into Squarespace is a bit like dental work without the happy juice, but the results are worth it. While the site is missing a few features I think it looks nicer, feels faster, and I'm betting it will be more scalable and more reliable. All good things. I'll explain more about the move later in this post, but there's some admistrivia that needs to be handled to make the move complete: If you have a user account and have posted on HighScalability before then you have a user account, but since I don't know your passwords I had to make new passwords up for you. So please contact  me and I'll give you your password so you can login and change it.

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Introduction: I have some experience with a very large OLTP system that is 7+ TB in size and performs very well for 30K+ concurrent users. It is built using Intersystems Cache based on the very old but very scalable MUMPS platform. Why don't I see more discussions about archiectures such as these in this forum? I am curious why this platform scales so much better then the typical RDBMS.

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Introduction: G'day, I noticed the default sort order for the forum is to show the posts with the most replies first. That seems a bit odd for a forum. Would it not make sense to show the posts with the most recently replies first? It is possible to re-sort the forum threads that way by clicking on the "Last post" header (twice). It would seem like a more sensible default. I've checked and I see the same behaviour as both a registered (logged in) and anonymous user. Cheers - Callum .

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Introduction: You may have noticed something is a little a different when visiting HighScalability today: We've Moved! HighScalability.com has switched hosting services to Squarespace.com. House warming gifts are completely unnecessary. Thanks for the thought though. It's been a long long long process. Importing a largish Drupal site to Wordpress and then into Squarespace is a bit like dental work without the happy juice, but the results are worth it. While the site is missing a few features I think it looks nicer, feels faster, and I'm betting it will be more scalable and more reliable. All good things. I'll explain more about the move later in this post, but there's some admistrivia that needs to be handled to make the move complete: If you have a user account and have posted on HighScalability before then you have a user account, but since I don't know your passwords I had to make new passwords up for you. So please contact  me and I'll give you your password so you can login and change it.

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Introduction: It's being reportedYahoo bought Tumblr for $1.1 billion. You may recallInstagram was profiled on HighScalabilityand they were also bought by Facebook for a ton of money. A coincidence? You be the judge.Just what is Yahoo buying? The business acumen of the deal is not something I can judge, but if you are doing due diligence on the technology then Tumblr would probably get a big thumbs up. To see why, please keep on reading...With over 15 billion page views a month Tumblr has become an insanely popular blogging platform. Users may like Tumblr for its simplicity, its beauty, its strong focus on user experience, or its friendly and engaged community, but like it they do.Growing at over 30% a month has not been without challenges. Some reliability problems among them. It helps to realize that Tumblr operates at surprisingly huge scales: 500 million page views a day, a peak rate of ~40k requests per second, ~3TB of new data to store a day, all running on 1000+ servers.One of the common patt

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Introduction: Om proposes one solution to the Twitter Problem is to limit followers to three square meals a day. The reasonable idea being that lower limits should mean fewer scaling problems. And as a kicker raising those limits is a good way to raise much needed revenue. Scoble thinks users should consume without limit and will drive to another buffet if all-you-can-eat privileges are revoked. The reasonable idea being that if an internet service can't solve internet scale problems then there's not much use for it. Dave says comp power users a top floor suite and shower them with free passes to the buffet. Let the good times roll! The reasonable idea being that power users help create popular restaurants, er, services in the first place and limiting them starves users and starved users won't come back. So, should web services like Twitter be a buffet, a fixed eight course fine dining experience, a small plate restaurant, a family style joint, or a vending machine? Or

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Introduction: G'day, I noticed the default sort order for the forum is to show the posts with the most replies first. That seems a bit odd for a forum. Would it not make sense to show the posts with the most recently replies first? It is possible to re-sort the forum threads that way by clicking on the "Last post" header (twice). It would seem like a more sensible default. I've checked and I see the same behaviour as both a registered (logged in) and anonymous user. Cheers - Callum .

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Introduction: A lot of sites hosted in San Francisco are down because of at least 6 back-to-back power outages power outages. More details at laughingsquid . Sites like SecondLife, Craigstlist, Technorati, Yelp and all Six Apart properties, TypePad, LiveJournal and Vox are all down. The cause was an underground explosion in a transformer vault under a manhole at 560 Mission Street. Flames shot 6 feet out from the manhole cover. Over PG&E; 30,000 customers are without power. What's perplexing is the UPS backup and diesel generators didn't kick in to bring the datacenter back on line. I've never toured that datacenter, but they usually have massive backup systems. It's probably one of those multiple simultaneous failure situations that you hope never happen in real life, but too often do. Or maybe the infrastructure wasn't rolled out completely. Update: the cause was a cascade of failures in a tightly couples system that could never happen :-) Details at Failure Happens: A summary of the power

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Introduction: MySQL Expert Ronald Bradford explains how one key way to improve the scalability of a MySQL server, and undoubtedly nearly every other server, is to eliminate unnecessary SQL , saying  the most efficient way to improve an SQL statement is to eliminate it : The MySQL kernel can only physically process a certain number of SQL statements for a given time period (e.g. per second). Regardless of the type of machine you have, there is a physical limit. If you eliminate SQL statements that are unwarranted and unnecessary, you automatically enable more important SQL statements to run. There are numerous other downstream affects, however this is the simple math. To run more SQL, reduce the number of SQL you need to run. Ronald shows how to use  mk-query-digest  to look at query execution times and determine which ones can be profitably whacked.  Related Articles Quora: What are the best methods for optimizing PHP/MySQL code for speed without caching?

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