Database Configuration for Maximum SharePoint 2010 Performance
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Database configuration has a direct impact on how SharePoint 2010 performs. This presentation looks at the SQL Server database and what configuration changes can be made to maximize performance for your SharePoint 2010 farms
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Database Configuration for Maximum SharePoint 2010 Performance
- 3. Henry Kremer had a vision of having human-powered airplanes
- 4. “ - Dr. Paul MacCready, American aeronautical engineer - The problem is that “
- 5. it is problems NO DIFFERENT from how we performance
- 7. whatif problems we look at the same
- 9. let’s look at the databaseto improvehow we can performance
- 13. but we already KNOWthat or do we
- 15. MDF/NDF LDF a SharePoint databasehas which are simply just
- 16. a SharePoint databasehas MDF/NDF LDF which are simply just
- 17. a SharePoint databasehas MDF/NDF LDF their file access patterns
- 22. let’s answer a few questionsbased on this information
- 23. let’s answer a few based on this information what would happen if the files are stored on multiple disks questions
- 24. let’s answer a few based on this information what would happen if we have multiple files questions
- 25. let’s answer a few based on this information on multiple disks multiple files questions
- 26. then single drive are we storing database files in a
- 27. then system drive are we storing database files in the
- 30. some
- 31. some measure* I/O system performance BEFORE deployment *a utility called can be used for this
- 32. some measure* I/O system performance BEFORE deployment because you want to know if you’re getting what was promised
- 33. some create multiple data files because you can have multiple disks doing their job for you *only supported on filegroup
- 34. some create multiple data files because you can have multiple disks doing their job for you *I usually start with data files
- 35. some move database files OUT of the system partition because your system partition is already doing something else
- 36. some use RAID 10 for better protection & write performance
- 37. some physically* separate MDF from LDF because they have different access patterns *your may tell you otherwise
- 38. some format the LUNs* with 64K clusters because SQL Server works in 64K chunks *for both &
- 39. some pre-size MDF/NDF and LDF files because you don’t want your storage to work harder
- 40. some make all file & autogrowth sizes EQUAL because SQL Server uses the proportional fill algorithm
- 41. some make all file & autogrowth sizes EQUAL and because you don’t want your storage to work harder
- 42. hidden process of reclaiming used disk space without having to ZERO it out
- 45. configuring instant file initialization
- 46. log (LDF) files are NOT affected by instant file initialization
- 47. some pre-size MDF/NDF and LDF files that’s why you need to
- 48. understanding
- 49. have you ever wondered what that recovery model is for?
- 51. all database changes are written in the log
- 52. this allows for point-in-time recoverability
- 53. the log gets full over time
- 54. the log gets full over time
- 55. the log gets full over time
- 56. the log gets full over time
- 57. the log gets full over time
- 58. what happens if it gets FULL?
- 59. what happens if it gets FULL? it GROWS we’re assuming autogrowth is configured
- 60. what happens if it gets FULL? and GROWS
- 61. what happens if it gets FULL? and
- 62. when it it has to ZERO out the file
- 63. when it it has to ZERO out the file which also means that transactions are waiting for the autogrowth process to complete before they can continue
- 64. when the disk containing the log (LDF) file gets full, the database automatically becomes read-only even
- 65. log file growth causing database to be read-only
- 66. can we AVOID this
- 67. changing to recovery model you don’t want to do this if you’re concerned about point-in-time recoverability
- 68. run regular
- 69. and
- 71. effects of shrinking databases on index fragmentation
- 72. configuration create ¼ the number of files per CPU core *I usually start with 4 data files of equal size and autogrowth increments
- 73. configuration place database files on faster drive
- 74. configuration place database files on protected drive *because SQL Server WILL NOT START without tempdb
- 75. other configuration available in SQL Server 2008 and higher
- 76. other configuration the faster the backups complete, the more resources are available for the database
- 77. other configuration also very useful for high availability and disaster recovery
- 78. other configuration this is documented - http://technet.microsoft.com/en-us/library/cc298801.aspx#Section6 we, DBAs, are confused because this is not OUR best practice *look for the proc_UpdateStatistics stored procedure
- 79. other configuration we, DBAs, are confused because this is not OUR best practice this is documented - http://technet.microsoft.com/en-us/library/cc298801.aspx#Section6 *look for the proc_UpdateStatistics stored procedure
- 80. other configuration we, DBAs, are confused because this is not OUR best practice this is documented - http://technet.microsoft.com/en-us/library/cc298801.aspx#Section6
- 81. other configuration we want to avoid PAGE SPLITS
- 82. other configuration applies to Standard Edition *because Enterprise Edition already has this by default
- 83. checking and setting database configuration
- 85. perform REGULAR consistency checks http://technet.microsoft.com/en-us/library/cc262731.aspx *test implementing Trace Flag 2549 & 2562 KB 2634571 SQL Server 2008 SP2 and higher
- 86. perform REGULAR index maintenance http://technet.microsoft.com/en-us/library/cc262731.aspx *look for the proc_DefragmentIndices stored procedure
- 87. exclude SQL Server files on your AV scan http://support.microsoft.com/kb/309422 How to choose antivirus software to run on computers that are running SQL Server
- 88. pattern did you NOTICE a common in all of the
- 89. I/O they ALL pertain to performance
- 90. great DBA the SECRET to becoming a I just told you
- 92. TALK to your SQL Server DBAs
- 94. Questions