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Agenda SQL Installation Best-Practices for SharePoint – General – CPU – Memory – Disk – Network Best-Practices for Content Databases Best-Practices for Administration & Service Application Databases
General Considerations CPU Memory Disk Network
General Considerations Have different separate disks for: – System Paging File – Data Files – Log Files – Temp DB – Backups Assign to the Service Accounts the Lock Pages in Memory permission Disable Auto-Create Statistics Set MAX DEGREE OF PARALLELISM to 1
CPU Considerations Assign as many CPUs as you can Count Dual-Core processors as 2 Count each processor that supports Hyper- Threading as 1 Max Worker Threads – Logical CPUs<=4 – 512 – Logical CPUs> ((logical CPUSs - 4) * 16)
CPU Considerations w/SQL Mirror Principal Server: – 1 global thread – 2 threads per mirrored DB Mirror Server: – 1 global thread – 2 threads per mirrored DB – 1 thread for each group of 4 Cores, if more than 4 Witness Server – 2 global threads
Memory Considerations Combined Size of Content Databases Recommended RAM Small Farm8 GB Medium Farm (<1TB)16 GB <2 TB32 GB >2 TB to <5 TB64 GB Important: If using SQL Mirroring you may need Extra RAM.
Disk Considerations Disk Performance is measured in IOPS (Input/Output Operations Per Second). If Disks have different IOPS values prioritize: 1.Temp DB 2.Database Transaction Logs 3.Search Database 4.Database Data Files * In a heavily read-oriented portal site, prioritize data over logs.
Disk Considerations (cont) Sharepoint supports all types of storage: – Direct Attached Storage (DAS) – Storage Area Network (SAN) – Network Attached Storage (NAS) Only for Content Databases using Remote Blob Storage Sharepoint must ping in 1ms, and receive the 1st byte of data in 20ms – If SAN cannot garantee this use DAS.
Disk Considerations (cont) DeviceIOPSInterface 7200 RPM SATA~90 IOPSSATA II 10k RPM SATA~130 IOPSSATA II 10k RPM S.A. SCSI~140 IOPSSAS 15k RPM S.A. SCSI~180 IOPSSAS 10k RPM SATA (queue depth 24) ~280 IOPSSATA II Use a Disk IO measuring tool like: SQLIO SQLIOSIM IOMETER
Network Considerations Web Servers & Application should have TWO GIGABIT NICs, one for client requests, the other DEDICATED for SQL Server. If using Mirror, use dedicated GIGABIT NICs on each SQL Server for that.
Comments: Download SQLIOSIM and instructions on:
Best Practices for Content Databases Use multiple data files for content databases – Only create files in the primary filegroup for the database. – Distribute the files across separate disks. – The number of data files should be less than or equal to the number of core CPUs. Count dual core processors as two CPUs for this purpose. Count each processor that supports hyper-threading as a single CPU. – Create data files of equal size.
Best Practices for Content Databases Avoid raising the size of content databases above 200 GB Create Multiple Databases if necessary. Site collections per content database: – 2000 recommended – 5000 maximum A site collection should not exceed 100 GB unless it is the only site collection in the database, or used for historical purposes (Read-Only)
Best Practices for Content Databases Set the database autogrowth value to a fixed number equal to avg. growth in a week /month to minimize the number of file increases. Maintain a level of at least 25 percent available space across disks to allow for growth and peak usage patterns
Estimating Growth InputValue Number of documents (D)100,000 Calculated by assuming 2,000 users times 50 documents Average size of documents (S)250 KB List items (L) Number of non-current versions (V)2 Assuming that the maximum versions allowed is 10 Database Size: ((( *2))*250KB)+((10KB*( ( *2) Database Size: ~50GB
Features that influence the size of content databases Recycle Bins – Until a document is fully deleted from both the first stage and second stage recycle bin, it occupies space in a content database. Auditing – Estimate the number of new auditing entries for a site, and multiply this number by 2 KB Office Web Apps – Create a separate Content Database for Office Web Apps cache. and-configuring-office-web-apps-on-sharepoint-2010.aspx and-configuring-office-web-apps-on-sharepoint-2010.aspx
Demo: Manually Creating a Database & Adding it to a Web Application Comments
Best-Practices for Administration & Service Application Databases We will use the following scale:
Best-Practices for Administration & Service Application Databases DatabaseSizeRead/WriteScaleComments ConfigurationSmallRead-intensiveUp No significant growth Central Admin Content SmallVariesUp No significant growth Content DB Medium-Large 200GB Recommended Varies Collab – Write Doc.Man – Read Add Other Content DBs Scale up to 1 TB or more only on Historical Usage and HealthLarge – Extra LargeWrite-IntensiveUp Dedicated Disk or Spindle Application Registry SmallRead-IntensiveUp No significant growth Subscription Settings SmallRead-Intensive Up, or <> Service Apps Created by Powershell Secure StoreMediumRead/Write Ratio Up, or <> Service Apps
Best-Practices for Administration & Service Application Databases DatabaseSizeRead/WriteScaleComments StateMediumVaries Add other by PowerShell Infopath & Visio Use Web Analytics Staging MediumVariesScale OutSize ~ # of Reports Web Analytics Reporting Large / Extra LargeVaries Up, or <> Service Apps Size depends on retention policy Search Administration Small /MediumRead/Write Ratio Up, or <> Service Apps Fit RAM Dedicated Server Search CrawlMedium/LargeRead IntensiveAdd other DBDedicated Server Search PropertyLarge/Extra LargeWrite IntensiveAdd other DB 1/3 Fit RAM Dedicated Server ProfileMedium/LargeRead Intensive Up, or <> Service Apps Growth - Users & News Feeds
Best-Practices for Administration & Service Application Databases DatabaseSizeRead/WriteScaleComments SynchronizationMedium/LargeRead / Write Ratio Up, or <> Service Apps # of Users / Groups & Ratio Social TaggingSmall / MediumRead Intensive Up, or <> Service Apps # of Ratings, Tags & Notes Managed MetadataMediumRead Intensive Up, or <> Service Apps Amount Metadata Word AutomationSmallVaries Up, or <> Service Apps No significant growth PowerPivot Application Small-Up No significant growth Performance PointSmallRead Intensive Up, or <> Service Apps - FAST Search Administration SmallRead IntensiveUp No significant growth
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