Database Optimization & Maintenance Tim Richard

2013 ECM Training Conference#dbwestECM Agenda SQL Configuration OnBase DB Planning Backups Integrity Optimization Tips and Recommendations

2013 ECM Training Conference#dbwestECM SQL Server: Databases Five system databases on a SQL Server instance – master – model – msdb – TempDB – Resource database

#dbwestECM System Database Recommendations Pre-size TempDB and the transaction log Create multiple files for TempDB Resist shrinking the database

#dbwestECM SQL Server Configuration Parallelism Memory TempDB – Create multiple files ODBC drivers – Verify client version vs. server – Verify most recent version

2013 ECM Training Conference#dbwestECM Agenda SQL Configuration OnBase DB Planning Backups Integrity Optimization Tips and Recommendations

#dbwestECM The OnBase DB What information does it store? – Critical component in an OnBase solution Data Performance

#dbwestECM Before you create the database… Where should the files be located? – This is a business decision – If you’re not sure where to put them… Refer to the Database Installation Guide on Community Where should the files ideally be located? – On drives that can provide the necessary response time (1-5 ms log writes, > 10 ms data writes) – RAID 1+0, 15K

#dbwestECM Sizing Sizing guide from DRG Check existing utilization – Pay attention to size on disk vs. % utilized

Estimating Database Size DBSpacePercentage of total DBSpace133 DBSpace27 DBSpace34 DBSpace40 DBSpace50 DBSpace66 DBSpace71 DBSpace81 DBSpace99 DBSpace106 DBSpace2i6 DBSpace3i9 DBSpace6i7 DBSpace9i11

#dbwestECM Hyland Customer DB Size Small < 20 GB < 10,000,000 documents Medium/Large < 100 GB < 100,000,000 documents Enterprise > 100 GB > 100,000,000 documents

#dbwestECM Auto-File Growth Settings What should File Growth be for each DBSpace? – 5 for 3*, 4, 5, 3i* – 100 for 7, 8 – 512 for 1, 2, 6, 9, 10, 2i, 6i, 9i

2013 ECM Training Conference#dbwestECM Agenda SQL Configuration OnBase DB Planning Backups Integrity Optimization Tips and Recommendations

#dbwestECM Backups: what you need to know first Evaluate your current backup process – How often are backups taken (full, diff, log)? – Where are copies stored on site? – Where are copies stored off site? – How often are tapes/disks/etc. rotated?

#dbwestECM Backups: what you need to know next Determine your recovery strategy – RPO = Recovery Point Objective – RTO = Recovery Time Objective – Do you need High Availability? Establish a SLA Test, test, test, and then test again

#dbwestECM Backup Tasks When was last backup? When was last transaction log backup? Creating a backup – Full vs. differential vs. log Set up a maintenance plan Restore the backup

2013 ECM Training Conference#dbwestECM Agenda SQL Configuration OnBase DB Planning Backups Integrity Optimization Tips and Recommendations

#dbwestECM Integrity checks: what you need to do Create a job to check integrity on a regular basis Create alerts to monitor for errors: – 823: Page not read – 824: Torn page – 825: Impending trouble Regularly check hardware for problems

#dbwestECM Integrity Tasks Run CHECKDB Page verify option Set up a maintenance plan Set up alerts

2013 ECM Training Conference#dbwestECM Agenda SQL Configuration OnBase DB Planning Backups Integrity Optimization Tips and Recommendations

#dbwestECM Optimizations: what you need to do Rebuild indexes on a regular basis Update statistics with 100% sample Update index statistics AND column level statistics

#dbwestECM Updating Statistics As part of Index Rebuilds – Only updates index statistics – 100% sample Automatically – When 20% of the rows change – Not 100% sample – Enables query optimization in 2005 & 2008* Manually (UPDATE STATISTICS or sp_updatestats)

#dbwestECM Optimization Tasks - Fragmentation Rebuild – >40% fragmentation – Offline Reorganize – >10% and <40% fragmentation – Online Typically fragmented tables – Itemdata10 – Itemlc – Keyword tables

#dbwestECM Optimization Best Practices Rebuild indexes regularly Use 100% sample for statistics Differences in SQL 2000 vs. 2005/2008 Revisit maintenance plans

2013 ECM Training Conference#dbwestECM Agenda SQL Configuration OnBase DB Planning Backups Integrity Optimization Tips and Recommendations

#dbwestECM User’s Role in Performance Database is a shared resource – Each activity consumes part of the resource Best Practice for User Searches – Retrieve < 100 documents – Selective search criteria – Use Keywords and Dates – Avoid Leading Wildcards

#dbwestECM Suggestions Keyword creation – Smart keywords, use Keyword Type Groups if possible Educate users on negative effects of actions Be cautions with API programs/VB Scripts (performance) Utilize Custom Queries Disable Document List Refresh Enable Document Type Query Restrictions

#dbwestECM More Suggestions Setup required keyword for retrieval Enable option to select user range of batches in Committed queues Security Keywords – EQUAL vs. NOT EQUAL – Perform Security Keyword Checking During Database Query Other Database Settings (Utils) Tuning Parameters (Client and ini file)

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