SQL Server 2000 And Memory Consumption

Sep 14, 2005

Hello!


We have a SQL Server 2000 that has been working nice
without any issues. Lately we noticed the fact that the amount of memory that
it is using has increased and once it took down the web server as the total
amount of memory used was 2G. Due to this fact I have set Memory Max to 500MB.
Now as I look in Task Manager the Memory usage is at 530396k which is 518MB.
Any reason why would it exceed the 500MB?

What we did before was to stop the SQL Server and restart it, and it takes about
2 days until it gets back to +500MB.

What can I do to stop this behavior?

Thanks.

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SQL-Server Memory Consumption

Mar 9, 2005

Hi,

I've thre problem that our MSDE SQL-Server 2000 (without SP3) memory consumption is constantly increasing. Even though, that I limitet the 'max server memory' with sp_configure and RECONFIGURE it's growing above that limit.

When I shut down the application, SQL server does not free the memory. I was already checking the database file size (transaction logs) and made shure that autoshrinking is enabled.

Does anybody have an idea, why SQL-Server does not release the memory?

Thanks for support, rene

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Feb 6, 2008

I know I can run DBCC MEMORYSTATUS to view how much memory SQL Server is using on a 64-bit server, but how do I view how much memory the other processes are consuming?


I do not believe the Perfmon counters are accurate when using AWE or 64-bit memory, at least in terms of memory consumption per process so how do we see this information. I have a feeling it is not possible.


Here is the problem. We have a 64-bit server with 32GB of memory. SQL Server is configured to use no more the 20GB. It currently is using only 15GB. The O/S is reporting 28.3GB used out of 32GB, which means some other processes are consuming 28.3GB - 15GB = 13.3GB. How can I determine what is using the 13.3GB of memory?


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Jun 13, 2006

Dear All,

We have a Windows 2003 Enterprise server with SQL Server 2000 Enterprise on it. This has the AWE settings for 'max memory setting' to 5120MB. This server has 6GB of memory, or rather about 5.8GB due to PAE. From yesterday morning the server has become almost unresponsive when the SQL service is running, and pretty much all the memory, ie < 1MB on average is listed as being free.

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MS SQL Server 2000 SP4
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Mar 23, 2006

Good day to all of you
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Jul 23, 2005

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Jul 20, 2005

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Aug 16, 2007

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Feb 3, 2006



I am running SQL Server 2000 on a desktop PC. Just recently upgraded my PC to 2gig of ram from 1 gig, in part, to try and fix the problem below. Didn't work. Have SP3 installed but not SP4 at this point.

When I open up query analyzer and edit some code, regardless of whether I actually execute the code, SQL server eventually sucks up available and cached memory to the point that my system comes to an effective halt --takes forever to do anything either in SQL server or other applications. In the task manager PF Usage climbs to just over the 2gig memory limit.

I conceptually understand the dynamic memory operation of SQL server ... but why is it sucking up most available memory when nothing is executing?

Is there a way I can release/clear the memory? Ideally, code that coould be run under a stored procedure would best meet my needs. Right now, I am "fixing" by shutting down and then restarting SQL server.



Thanks,

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May 10, 2007

Hi to alll,


I use sql server 2000 ver 8.00.2039
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I have about 1.7 Gb of memory used

I have just tried to use these commands


DBCC DROPCLEANBUFFERS
DBCC FREEPROCCACHE
dbcc free


but seems that nothing happens

Any idea?

thank you in advance

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Feb 9, 2007

Hi to all, i have a very important problem...pls help me

I have a server with Windows 2003 Server (3GB RAM) and SQL SERVER 2000 running on it, my problem is that sqlserv.exe eat 2GB RAM even if on this server nothing happen....if i restart the service of SQL Server everything is ok eat just 30 MB RAM but after some minutes...after i made a simple select or a simple delete....simple things he arrive to 2GB RAM...this not happen until now(2 days ago)...the problem is that when he arrive to ~2GB RAM the statio run very slow and i receive the error "Time out expire"

this problem happens and on my local station where i have Win XP PRO (1 GB RAM) SQL Server 2000....

thx a lot

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Apr 4, 2007

Good day everyone!

The issue I'm going to pose here has to do with SQL Server allocated memory BEING EXHAUSTED by an application (a simple data receiver from GPS units) when the number of units connecting to it is considerably increasing.
This happens to an extent that no more connections from the units are valid and therefore lots of data (Afterwards) is being lost.
This causes a real problem with the installations and the projects which are running the system.

I will hereby post all of the info which might be useful for any Database Experts among you, so you can perhaps help me figure out the source(s) of the mentioned problem, and possible solution(s) of the issue.

1- The Operating System used:
Windows 2003 Server (Ent. Edition)

2- The Database Server used:
Microsoft SQL 2000 Server

3- The amount of memory:
1 GB (but on some sites there are 4 GB and the same problem
is faced)

4- The conditions where the issue happens
When the amount of the received data - which gets written to
the SQL Server tables - exceeds a certain limit.

5- Number of applications used:
We are using two applications:
a- The receiver, which is a simple application that only
receives the data from the GPS units installed at the cars
of the clients' fleet(s), and writes them to the database
(Day and Night - running all the time), so the memory used
gets bigger and bigger till it floats the memory used by
MS SQL Server 2000. As a result of this the connections
made from the units furtherly to this point (to the receiver)
are not being received and written to the database.

b- the other application is quite heavy.. it does data
management on SQL Server 2000 and exhausts the CPU.
It reads from tables and makes analysis for GPS data...
This is done while "vehicle tracking".. so it makes
calculations on the received data and stores them into
output tables.

6- The programming language used in writing these 2 applications:
Delphi 7

7- What are we doing right now to handle this problem?
We need to flush the memory on periodical basis.
This is being done by stopping the SQL Server, or by
restarting the PC.
And it is not solving the problem entirely, especially that
there must be a way to handle this.
BTW, the memory is not being flushed when we turn the
application off.

8- What do we need to know?

a- We've found, after research, that there are "Temporary tables" or
objects in SQL Server 2000, that the DB system creates.. also page
files, and temp tables.
What are these for? And does handling them in a certain manner help
solve the problem?
b- Is there a way to monitor our applications to see where they are
increasing the usage of memory and how this is happening?
c- Is there a script that writes to the database that we can use to see if
the problem is from our applications? And in case it is, then is there a
command we should write or a function or script we should run in order
to flush the MS SQL 2000 Server periodically, so that it doesn't flood?


What comments can you have on this issue?
Are there solutions at hand?


I thank everyone for trying to help!

All the best :beer: :beer:
TD.


P.S. you can write to me at: database1980 (AT) hotmail (DOT) com

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Oct 6, 2006

Hi

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There is a database replication running

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There is a log back up job which runs once in 2hrs time.

The temdb size grows to 3gb max. We didn't see any temp table created left out orphan in the temdb.

We have the required indexes placed in the tables to reduce the scan time. Also the server is configured to use dynamic memory allocation that is all are factory settings.

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Jun 26, 2007

Hi all,



We have an SQL 2000 Standard SP4 system with 3gb of RAM running on Windows 2003 Server R2 Standard.



The SQL memory usage of this server flatlines at around 1665mb and will not go any higher.



I understand SQL 2000 Standard on Windows 2003 Server Standard has a 2gb memory limit, however why wont the memory push up to this limit? The OS shows there is around 700mb of the 3076 unused (SQL uses 1660, windows uses around 700 making the maximum used around 2300 of the 3076)



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In the above example surely if the Server has a 2gb limit it should let me set say 1720/2048 ? or 1920/2048 or even 2048/2048, however anything over around 1500 generates the above error.



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Thanks for your help

Jim

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Regards,
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