Autoscaling Publishers in AWS

This series of blog posts presents in detail the setup of Tridion Publishers autoscaling as implemented for Amazon Web Services (AWS) infrastructure.

Originally, I was inspired by Julian's post about Using AWS to Scale SDL Web Publishers. I used this post to have an initial setup and then I completed it with more features like license management and more monitoring.

These are the steps that I took:

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Running sp_updatestats on AWS RDS database

Part of the maintenance tasks that I perform on a MSSQL Content Manager database is to run stored procedure sp_updatestats . exec sp_updatestats However, that is not supported on an AWS RDS instance. The error message below indicates that only the sa account can perform this: Msg 15247 , Level 16 , State 1 , Procedure sp_updatestats, Line 15 [Batch Start Line 0 ] User does not have permission to perform this action. Instead there are several posts that suggest using UPDATE STATISTICS instead: https://dba.stackexchange.com/questions/145982/sp-updatestats-vs-update-statistics I stumbled upon the following post from 2008 (!!!), https://social.msdn.microsoft.com/Forums/sqlserver/en-US/186e3db0-fe37-4c31-b017-8e7c24d19697/spupdatestats-fails-to-run-with-permission-error-under-dbopriveleged-user , which describes a way to wrap the call to sp_updatestats and execute it under a different user: create procedure dbo.sp_updstats with execute as 'dbo' as...

I Have Gone Dark

Maybe it's the Holidays, but my mood has gone pretty dark. That is, regarding the look and feel of my computer and Tridion CME, of course. What I did was to dim the lights on the operating system, so I installed Placebo themes for Windows 7 . I went for the Ashtray look -- great name :) My VM looks now like this: But, once you change the theme on Windows, you should 'match' the theme of your applications. Some skin easily, some not. The Office suite has an in-built scheme, which can be set to Black , but it doesn't actually dim the ribbon tool bars -- it looks quite weird. Yahoo Messenger is skinnable, but you can't change the big white panels where you actually 'chat'. Skype is not skinnable at all. For Chrome, there are plenty of grey themes. Now i'm using Pro Grey . But then I got into changing the theme of websites. While very few offer skinnable interfaces (as GMail does), I had to find a way to darken the websites... Enter Stylish -- a pl...

REL Standard Tag Library

The RSTL is a library of REL tags providing standard functionality such as iterating collections, conditionals, imports, assignments, XML XSLT transformations, formatting dates, etc. RSTL distributable is available on my Google Code page under REL Standard Tag Library . Always use the latest JAR . This post describes each RSTL tag in the library explaining its functionality, attributes and providing examples. For understanding the way expressions are evaluated, please read my post about the Expression Language used by REL Standard Tag Library . <c:choose> / <c:when> / <c:otherwise> Syntax: <c:choose> <c:when test="expr1"> Do something </c:when> <c:when test="expr2"> Do something else </c:when...

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