We have production SQL Server 2012, where we had allocated Max memory of ~60 GB and Min Memory of 4 GB, We have the following situations and if it is full we are restarting the SQL Server services.Problem is after restarting RAM is increasing from 4-8 GB a day and on 4 to 6th day RAM is occupying complete RAM,1) SQL Server memory is occupying to its fullest i.e. 63 GB RAM,2) CPU Utilization is between 15- 26 %3) We have 1000 I/O ops disk(SAN).4) We are using Windows server 2008 R25) We are using SQL Server 2012 RTM Enterprise Core edition.(No Service Pack Applied)6) No: of Core Processors = 24.We have analyzed through the areas through perfmon counters that are 1) Buffer cache hit ratio is 1002) Buffer Manager: PLE is > 800003) Memory Available Mbytes is : 800 MB4) Total Server Memory is > 62 GB(62,042,747.22 KB)5) Target Server Memory is ~ 62 GB (62,047,742.400 KB)6) Batch Requests/sec 15.27) Pages/Sec is <108) Latch waits/Sec : 19,9369) Total Latch Wait time(ms) : 23,916 10) Deadlocks are also occurring Please suggest a solution where we can improve performance.
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