Tagged Questions

4
votes
2answers
100 views

Total Memory capped far below available memory

We are testing out a new install of SQL Server 2012 on a virtual server and the memory allocated to SQL Server seems to be capped around 16 GB even though much more is available. What could cause ...
3
votes
1answer
69 views

Buffer usage for index with no reads

Using SQL Server 2008 R2, the main transactional table in a vendor database is massive compared to all others and has about 14 indexes. Some of these indexes don't get used in our environment, but we ...
0
votes
0answers
56 views

SQL Server Internal Memory Pressure

I am trying to identify the cause of internal memory pressure. From what I have learned, Resource Monitor Ring Buffer returns an indicator for internal pressure. For example by using this query, ...
13
votes
4answers
435 views

Why would I NOT use the SQL Server option “optimize for ad hoc workloads”?

I've been reading some great articles regarding SQL Server plan caching by Kimberly Tripp such as this one: http://www.sqlskills.com/blogs/kimberly/plan-cache-and-optimizing-for-adhoc-workloads/ Why ...
-1
votes
2answers
154 views

SQL Server Express - Memory limitation vs. web application [closed]

I have web application that will be similar to forums. I plan to have thousands of users on this application, and I wonder if I can use SQL Server Express. Here is the list of it's limitations: ...
7
votes
2answers
307 views

Increased RAM, Worse Performance

Setup: Windows Server 2008 R2 SQL Server 2008 R2 SP1 240GB RAM TempDB is 8x16GB data files w/out auto-grow (128GB total) Physical/Stand-alone Server This server is used for ETL processing. We ...
5
votes
2answers
556 views

SQL Server gets slow over time until we have to restart it

We have a database with a mixed OLAP/OLTP workload. The queries are quite ad-hoc and are dynamically created in the mid-tier application server. When we start the server, the performance is quite ...
19
votes
3answers
3k views

Is the SQL Server Express memory and CPU limit per instance?

If I have 8GB of RAM in a server and I run 4 instances of SQL Server Express, will the total memory limit used by SQL Server be 1GB or 4GB? Would it be advisable to run multiple instances like this ...
4
votes
1answer
233 views

SQL Server Buffer Pool Utilization under VMWare

I recently migrated a physical SQL Server box (2012) over to ESX (5.1) simply for ease of administration. It is and will be the only guest on the server. As expected there was a marginal performance ...
2
votes
2answers
82 views

Sql Server memory issue

As soon as i start SQL Server with no application querying ,in the task manager it starts to consume memory very fast till it consumes around 15GB. Can any one tell me how to resolve this issue. ...
2
votes
2answers
195 views

Minimum/Maximum Server Memory in SQL Server 2005 with /3GB and /Userva switches

I have a 32-Bit Windows 2003 machine with 3.75GB RAM running one SQL Server 2005 instance. I am trying to optimize memory. If I use the switches in boot.ini like below, /3GB /Userva=2490 should I ...
1
vote
1answer
503 views

SSIS: “The buffer manager cannot write 8 bytes to file”

We have about 60 or more SSAS cubes on one server. All the cubes have the same structure. Each cube has a different size because each cube has a different underlying data warehouse. However the schema ...
1
vote
1answer
1k views

Quick look at how much RAM is allocated to SQL Server?

With SQL Server 2005, you could look at the Task Manager and, at least, get a cursory look at how much memory is allocated to SQL Server. With SQL Server 2008, the Working Set or Commit Size never ...
5
votes
2answers
223 views

Can I prove my database does not have memory issues?

(This is a continuation of do indexes consume memory) A fellow database developer believes we are having memory issues. He has seen increased run times in some standard queries - going from under 10 ...
4
votes
1answer
130 views

SQL Server falling below 5000 free pages

I have set alerts on two SQL Server 2005 instances I have in production. One of those alerts is sent whenever the Free Pages performance counter falls below the 5000 pages mark. Both servers normally ...
2
votes
1answer
144 views

How to increase the amount of memory sql server uses on the server?

On the db server, we have 4 GB of memory. Currently, the memory utilization of Sql Server 2005 on that server is 1,725,000 K and the total memory usage is stable at 2.04 GB. The Cpu usage on the ...
4
votes
1answer
216 views

How much memory is a table taking up?

Is there a way to find out how much memory a table is taking up in SQL Server (2005 and greater)? For example, suppose I have a table with 30 million records. I'd like to know how many pages ...
3
votes
2answers
218 views

Is it important to release memory back to the server?

I have a SQL Server 2008 R2 instance running on a production system. I'm not a DBA; I'm more a developer, but my client is currently asking me: How important is it to release memory from SQL Server ...
7
votes
3answers
2k views

How to free SQL Server memory?

I have a SQL Server sandbox installation on my local computer. I have set the memory SQL Server instance can use to 1000 mb. When running an intensive operation, memory usage rises up to 1000 mb. When ...
5
votes
1answer
304 views

How does table compression affect SQL Server's buffer pool?

I'm curious as to how SQL Server's buffer pool is affected by compressed data tables. Is the data in memory compressed, just as it is on disk, or is it fully decompressed? If the data is stored ...
3
votes
1answer
529 views

No “Using locked pages for buffer pool” in SQL Server log

As a trial run for a client I am trying to enable the "Lock Pages in Memory" setting on my development server, but no matter what I change, I cannot get the "Using locked pages for buffer pool" to ...
14
votes
3answers
18k views

Recommended page file size for SQL 2008R2 on Windows 2008R2

This Microsoft article - How to determine the appropriate page file size for 64-bit versions of Windows Server 2008 and or Windows 2008 R2 provides guidance for calculating the page file size for 64 ...
1
vote
3answers
2k views

SQL Server service unresponsive

I am unable to connect to the SQL Server instance. Logging into the box remotely I can see both CPU and MEMORY are maxed out. I have tried to restart the SQL Server service which has resulted it in ...
24
votes
3answers
2k views

On a dedicated database server, how much memory to reserve for the OS?

Assuming you have a dedicated server explicitly for database functions -- how much memory should you reserve for the operating system? I realize this will probably vary somewhat depending on the ...