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How Resources are Shared in the SLES 11 Priority Scheduler - comment by sghanw

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Hi Carrie,
 
I have one doubt we are on TD 14.10 and SLES11, currently if a query is running on Step 7 which usually takes 30min to complete and if DBA team manually change workload of that query from Batch long ( low priority Timeshare )  to Batch Short ( SLG Tier 1) to complete it faster, will the change reflect immediately during the long running step  7 and the query will start receiving CPU & IO on high priority for that ongoing step as accordance to that newly assigned workload  ?  I do see change in Workload from Batch-Long to Batch Short in ViewPoint for that particular step but execution wise the step took same time. ( System was busy during that time but queires with low priority workloads were running on it)
 
  Can you please explain on it ?  
 
 


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