Enforcement Priority: Soft, Hard, or Just Window-Dressing? - comment by carrie
Geeta, I think I also mentioned this in an earlier response to you on Automated Demotions on the Appliance: What are Query Milestones?, the Appliance platform does not have workloads like TASM, and...
View ArticleAutomated Demotions on the Appliance: What are Query Milestones? - comment by...
Thank you for your comments and suggestions Carrie. I will do.
View ArticleEnforcement Priority: Soft, Hard, or Just Window-Dressing? - comment by...
Yes Carrie, i just visited your comments on my previous questions. Sorry might be i rephrased the question diferently here. Once again thank you for your time on my questions.
View ArticleCPU Limits at Multiple Levels - comment by SANJI
I apologize for not being clear. I'll repost my uderstanding under the appropriate blog.. Thank you so much for taking time to answer. Sincere Regards Sanjeev
View ArticleEntering and Exiting a TASM State - comment by SANJI
Hello Carrie.. I wanted to confirm if my understanding (from my previous question regarding the priority schemes) is near correct. Priority schemes can essentially be set for different states. For...
View ArticleAutomated Demotions on the Appliance: What are Query Milestones? - comment by...
Hi Carrie, I am just asking this to know what is the worst case scenario it leads to if i keep one or couple of workload definitions in to RP0? I heard many times that RP0 is strictly intended for...
View ArticleEntering and Exiting a TASM State - comment by carrie
Sanjeev, Your understanding is correct. Thanks, -Carrie
View ArticleAutomated Demotions on the Appliance: What are Query Milestones? - comment by...
Hi Geeta, You can use RP0 for user-assigned work if you wish. The recommendation to avoid using RP0 is made because it's usually seen as cleaner to keep internal activity that runs very lightly in...
View ArticleHow to Calculate Your Max Number of Usable AMP Worker Tasks - comment by...
Hi Carrie, Thank you so much for the nice explanation on AWT. reading your blog my almost my doubts are getting cleared. I have one question, If i want to increase the AMP/AWT max limit =100 ( from...
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Determining Precedence Among TASM Planned Environments - blog entry by carrie
Most Teradata systems support different processing windows, each which has a somewhat different set of business priorities. From 8 AM to 12 noon the most important work may be the Dashboard...
View ArticleHow to Calculate Your Max Number of Usable AMP Worker Tasks - comment by carrie
Das, Changing the number of AMP worker tasks per AMP requires the modification of an internal DBS Control setting called MaxAMPWorkerTasks. It will require a database restart. Because it is an...
View ArticleAutomatic Throttles in Teradata 14.0 and 14.10 - comment by VP186001
Carrie, I've recently been assigned a task of setting up TASM on a raw box. Is there a list of prerequisites (e.g.enabling certain DBScontrol parameters, running DIP etc.) which need to be...
View ArticleAutomatic Throttles in Teradata 14.0 and 14.10 - comment by carrie
Review the Viewpoint Configuration Guide to make sure that the system has been correctly configured in Viewpoint and so the Viewpoint data collectors can detect the database version. Other than that,...
View ArticleStatistics collection recommendations – Teradata 14.0 - comment by...
Is there a consenus on the age of statsitics that should be recollected, assuming < 10% change? I have seen a number of references to Age of Collection but no discussion of the appropriate Age.
View ArticleStatistics collection recommendations – Teradata 14.0 - comment by carrie
Hi Andrew, Age, or the passage of time, is a less accurate way of determining when statistics need recollecting compared to using the percent of change as a threshold. Some tables may change a lot...
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Statistics Threshold Functionality 101 - blog entry by carrie
An earlier blog post focused on simple steps to get started using the Teradata 14.10 Automated Statistics Management (AutoStats) feature. One of the new capabilities that AutoStats relies on when it...
View ArticleStatistics collection recommendations – Teradata 14.0 - comment by mani.atkuri
Hi Carrie, In our environment, before applying compression we are dropping statistics and after applying compression using alter on the table we are recollecting the statistics. However this is a time...
View ArticleNew opportunities for statistics collection in Teradata 14.0 - comment by...
Thanks, it was immensly useful.
View ArticleStatistics collection recommendations – Teradata 14.0 - comment by carrie
That will work for you. When you copy statistics, any statistics history records that have been accumulated are retained. When you get on Teradata Database 14.0 you want to be cautious about...
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