Comments on: Twitter Downtime – Assetbar to the Rescue? http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/ Opinionated Web 2.0 News and Commentary Tue, 16 Mar 2010 15:58:59 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: proxy promotion http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/comment-page-1/#comment-52036 proxy promotion Mon, 13 Apr 2009 23:54:38 +0000 http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/#comment-52036 Good Idea! Twitter can be hard to live without lol Good Idea! Twitter can be hard to live without lol

]]> By: Free Proxy http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/comment-page-1/#comment-51996 Free Proxy Thu, 26 Mar 2009 04:35:12 +0000 http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/#comment-51996 I am not a big twitter fan so don't use it much often but they seems to have solved their DB problem as back in 07, there uptime was 96% ! I am not a big twitter fan so don't use it much often but they seems to have solved their DB problem as back in 07, there uptime was 96% !

]]> By: Curt Monash http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/comment-page-1/#comment-48541 Curt Monash Sun, 10 Feb 2008 12:27:19 +0000 http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/#comment-48541 Their proposal will never work. That's because you need something like CEP (Complex Event Processing -- think Coral8 or StreamBase) to meet the throughput needs. Writing to a database and immediately querying doesn't work in real-time. http://www.texttechnologies.com/2008/02/09/scalable-twitter/ has a detailed write-up, supported by http://www.dbms2.com/2008/01/16/twitter-could-easily-be-made-reliable/ Their proposal will never work. That’s because you need something like CEP (Complex Event Processing — think Coral8 or StreamBase) to meet the throughput needs. Writing to a database and immediately querying doesn’t work in real-time.

http://www.texttechnologies.com/2008/02/09/scalable-twitter/ has a detailed write-up, supported by http://www.dbms2.com/2008/01/16/twitter-could-easily-be-made-reliable/

]]> By: Leonidas http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/comment-page-1/#comment-48534 Leonidas Sat, 09 Feb 2008 18:44:40 +0000 http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/#comment-48534 Wow, Twitter scalability problems aren't caused by RoR, what a shocker, NOT!! Glad to be getting that message out. Wow, Twitter scalability problems aren’t caused by RoR, what a shocker, NOT!! Glad to be getting that message out.

]]> By: ron k jeffries http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/comment-page-1/#comment-48533 ron k jeffries Sat, 09 Feb 2008 17:48:17 +0000 http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/#comment-48533 Twitter needs to do something. It has become almost ususable due to slowness and downtime. when will Google/Jaiku wake up? Twitter needs to do something. It has become almost ususable due to
slowness and downtime.

when will Google/Jaiku wake up?

]]> By: Alan Wilensky http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/comment-page-1/#comment-48525 Alan Wilensky Fri, 08 Feb 2008 22:38:28 +0000 http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/#comment-48525 Ah..now I see that assetbar is rethinking the database....good luck guys. Ah..now I see that assetbar is rethinking the database….good luck guys.

]]> By: Alan Wilensky http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/comment-page-1/#comment-48524 Alan Wilensky Fri, 08 Feb 2008 22:30:39 +0000 http://www.lastpodcast.net/2008/02/08/twitter-downtime-assetbar-to-the-rescue/#comment-48524 MySql write saturates at 400 writes a second, no matter how you cluster it, without some really arcane acceleration workarounds. What makes these guys think that they have the answer? They are just as likely to trash themselves as help Twitter or its users. Twitter is down now, again, even after the NTT move; they need to migrate to a new, non RDBMS data persistence architecture - painful, yes. Essential, yes. MySql write saturates at 400 writes a second, no matter how you cluster it, without some really arcane acceleration workarounds.

What makes these guys think that they have the answer? They are just as likely to trash themselves as help Twitter or its users.

Twitter is down now, again, even after the NTT move; they need to migrate to a new, non RDBMS data persistence architecture – painful, yes. Essential, yes.

]]>