sql server memory optimized table

In AlwaysOn, SQL Server uses the "step-on" Record of the memory table, and sqlalwayson Preface Recently, memory tables were used in a database in the online alwayson environment. After about a week, the monitoring program found a very serious problem. The log files of this d

Added a memory table FileGroup for dbtest, but error occurred while creating memory Optimized tableCannot create memory optimized tables in a database The does not has an online and non-empty Memory_optimized_data Fileg Roup. Use

OR au. type = 3) UNION ALL SELECT object_name (object_id) AS name , Index_id, allocation_unit_id FROM sys. allocation_units AS au Inner join sys. partitions AS p ON au. container_id = p. partition_id AND au. type = 2 ) AS obj ON bd. allocation_unit_id = obj. allocation_unit_id WHERE database_id = db_id () Group by name, index_id Order by cached_pages_count DESC The test results are as follows: After the table variables are created, the data page is

, object_id, type, create_date from sys. objects Where type = 'U' Order by create_date Desc -- Query the number of cached pages in the memory SELECT count (*) AS cached_pages_count , Name, index_id FROM sys. dm_ OS _buffer_descriptors AS bd INNER JOIN ( SELECT object_name (object_id) AS name , Index_id, allocation_unit_id FROM sys. allocation_units AS au Inner join sys. partitions AS p ON au. container_id = p. hobt_id AND (au. type = 1 OR au. type = 3

,type,create_date from sys.objects Where type= ' U ' ORDER by Create_date Desc --Query in-memory cache pages SELECT Count (*) as Cached_pages_count , Name, index_id From Sys.dm_os_buffer_descriptors as BD INNER JOIN ( SELECT object_name (object_id) as name , index_id, allocation_unit_id From Sys.allocation_units as Au INNER JOIN sys.partitions as P On au.container_id = p.hobt_id and (Au.type = 1 OR au.type = 3) UNION All SELECT object_na

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--Database memory analysis use Mastergodeclare @insSize TABLE (dbName sysname,checktime varchar, dbsize varchar (), logsize varchar ( INSERT into @insSize (DbName, Checktime, Dbsize, logsize) EXEC sp_msforeachdb ' select '? ' Dbname,convert (VARCHAR (19 ), GETDATE (), Checktime,ltrim (STR (filename,3) 　　SQL Server data

Reference: Http://www.infoq.com/cn/news/2013/09/Compiled-QueriesHttp://www.bianceng.cn/database/SQLServer/201502/48247.htmThe SQL Server 2014 Memory database introduces a new structure for traditional tables and stored procedures: memory optimized

SQL Server new Features-- in-memory OLTP (in-memory OLTP )OverviewIn-Memory OLTP (project "Hekaton") is a completely new database engine component that is fully integrated into SQL Server