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Robert L Davis

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Past:

Website:Twitter:

LinkedIN:See me at:

P.M. SQL Server Master Certification Program at MicrosoftSr. Database Administrator at Microsoftwww.SQLSoldier.com @SQLSoldierwww.linkedin.com/in/robertldavis SQL Saturday 265, Portland, OR (11/16/2013)

http://www.sqlsoldier.com/http://www.linkedin.com/in/robertldavishttp://www.linkedin.com/in/robertldavishttp://twitter.com/SQLSoldierhttp://feeds.feedburner.com/Sqlsoldierhttp://www.linkedin.com/in/robertldavishttp://www.sqlsoldier.com/

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10 SQL components dont play well together Database Engine, Analysis Services, and SSISPackages are resource hogsEach one will try to use as many resources as it canThey dont care what the other needs Recommendation: separate components to differentservers

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9 File placement still mattersSeparate files to different drives for bestperformance

BackupDirDataDir

LogDirTempDir

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8 Backup the encryption keysSSRS stores data encrypted in ReportServerdatabase

Data source accounts and passwordsReport subscription recipients

Key can be recreated but encrypted data will be lostImport to other SSRS instances to create a farm

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7 Warm the cache in SSASRun a pre-defined set of queriesUse the WITH CACHE statement to pre-load acommonly used slice of a cube

WITH CACHE AS '([Sales Territory].[Sales TerritoryRegion].Members)'SELECT

{[Sales Territory].[Sales Territory Region]. Members } ON COLUMNS,

{[Measures].[Order Count]} ON ROWSFROM [Adventure Works];

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6 Paging file matters in SSASMore RAM > large paging file > out of memoryerrorsSSAS uses RAM if it canIf available RAM is low, SSAS will use the paging fileIf out of RAM and paging file space, out of memoryerrors may occur

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5 Tune parallelism for high CPU serversThreadPool\Query\Maxthreads

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4 Use partitioned viewsOlder, static data in partitioned tableNewer, changing data in stand-alone tableCombine with a partitioned view

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3 Load balancing SSAS > ClusteringHardware or Software load balancingAllows you to process cubes one at a timeprogrammatically without downtimeScalable to many servers

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2 Dont give SSRS users database access Used stored credentials of a non-user domainservice account

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1 Back up your databasesSSAS databases should be backed up tooUse SSMS to create backup script in XMLASchedule via a SQL job

< Backup xmlns = "http://schemas.microsoft.com/analysisservices/2003/engine ">

< Object >< DatabaseID > Adventure Works DW 2012

< File > E:\MSSQL\OLAP\BAK\Adventure Works DW

2008R2.abf < AllowOverwrite > true

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1 Things All BI Administrators Should KnowRobert L Daviswww.sqlsoldier.com | @SQLSoldier

http://www.sqlsoldier.com/http://twitter.com/SQLSoldierhttp://twitter.com/SQLSoldierhttp://twitter.com/SQLSoldierhttp://www.sqlsoldier.com/