SQL consuming more memory without any process

Hi experts,
SQL is consuming 95% of physical memory with out any process in SQL Server.How to overcome this problem.
Details:-
SQL 2008 64 bit in WIndow server 2008 SP2.
Thanks
Selva

Hi experts,
SQL is consuming 95% of physical memory with out any process in SQL Server.How to overcome this problem.
This is not a problem unless you show me Out of memory error.
Use following counters to set correct value for max server memory.
You should refer to perfmon counters to get estimate of memory utilized by SQL Server and then set accurate value
SQLServer:Buffer Manager--Buffer Cache hit ratio(BCHR):
SQLServer:Buffer Manager--Page Life Expectancy(PLE):
SQLServer:Buffer Manager--CheckpointPages/sec
SQLServer:Memory Manager--Memory Grants Pending:
SQLServer:memory Manager--Target Server Memory:
SQLServer:memory Manager--Total Server memory
Please read below article for details about this counter
http://social.technet.microsoft.com/wiki/contents/articles/22316.sql-server-memory-and-troubleshooting.aspx#Does_my_system_have_low_memory
Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it.
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How to identify the TOP 5 SQL queries which are consuming more CPU time during the timespan of 24 hours for entire database. There are N number of users who have issued sql queries, out of which few users have disconnected and few user are still connected to the database(I need to consider all sessions). My database version is 9.0.1. I don't want to use statspack. Is there any way to identify TOP 5 SQL consuming more CPU time without affecting the performance of the database. Can any one help me on this? Its urgent!!. I don't want to use statspack becasue it degrades the performance and i cannot afford to run it for 24 hours.

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