here is the situation
we have 2 TB Memory Installed on Server and 'max Server Memory (MB)'
is set to 1800000 MB.(we tried default limitation(32 TB) also.) all the time the memory available is 1.7 TB in task manager.it seems sql server not consume memory more than a specif value.
as i know sql server all the time consume memory.
we dataware house with multipe data mart the we full process every 1 hour. some cubes fact are about 100 milion record with 20-30 cuolmns.
i wnat to be sure that sql server and anlysis service can use moery without limitation .are they don't need more than 300 GIG ?i installed some windows application for cunsuming memory this app can cunsume memory but sql server not.is there any possible test scenario that i cant test to be sure that sql server cant use memory to 1 TB?
Related
For some reason the SSIS Server Maintenance Job ends up having the SQL Server instance use all available server memory after a few runs (it runs every midnight). When that happens, my SSIS packages no longer have memory to run in and start swapping on disk which leads to unacceptable execution times or at worst a total hang.
So far I've been resetting the SQL Server service through Configuration Manager every morning, but that's not a viable long term solution. I have not set maximum memory limit for the SQL Server instance. Would that help? If not, what can I do?
Server information: Azure VM, 32 GB ram, no other purpose for the server than running SSIS.
You should always set a maximum memory limit for SQL Server instances.
A simple rule of thumb is to leave 4GB or 10% of total memory free, whichever is larger, and tweak as necessary.
If your SQL Server instance is running as a VM, then you also need to set a memory reservation at the host for your VM. Otherwise, the host's 'balloon memory manager' might kick in and steal memory back from your instance.
Ref:
Server memory configuration options
Understanding Memory Resource Management in VMware
I've got a SQL Server 2008 server that will frequently (multiple times throughout the day) reports
"SQL Server has encountered 64357 occurrence(s) of I/O requests taking
longer than 15 seconds to complete on file..."
.
I've noticed that in resource monitor when filtering to the sqlserver.exe process c:\pagefile.sys is showing up fairly often.
The server currently has 40MB of memory free and 260mb available. SQL Server is set to unlimited for ram and is using most of the 32GB on the server. It's a production server I've inherited where there isn't much downtime, so I haven't been able to change that.
I assume SQL is running out of memory and going to the page file?
SQL Server has encountered 64357 occurrence(s) of I/O requests taking longer than 15 seconds
Does not indicate a memory problem. It indicates a problem with the disks used to store your databases.
It seems so. Add more ram to the server and it will be fixed
I have 32 GB physical memory server. When I am starting my server its taking 18gb memory when the server and SQL Server 2008 R2 will up. But after few hours SQL Server will be taking up 23gb or more cached size going 4939 or more. What is the cause of this problem and how can I see which queries making this problem?`
SQL loves memory, it'll use what it needs to, especially when caching data. The very nature of caching data is using memory. If your concerned about leaving a little memory for the server or other processes running on your server, then set a max memory amount to SQL.
I am trying to run a large query that writes to a custom table in my database. The databases I am calling on are about 6-7 million rows per table. The query includes join statements and sub-queries.
Previously when I have run this query, my raw data databases were significantly smaller. In the range of 1-2 million rows per table. Everything was working up until I imported more data... I've run into this error a few times prior to this addition of data and clearing the working memory cache's worked well
The host computer currently has 8GB of RAM. That computer is used solely for uploading data to the server and hosting the server. The laptop I am calling the commands from only has 4 GB of RAM.
1) Do I have enough memory on my server computer and my laptop? When I run a large query is it using the memory on my laptop or on my host computer? When answering, can you please explain how the working memory of the computer works in conjunction with SQL?
2) If I do not need to add memory, how do I configure my server to prevent this error from occurring?
Additional Information from Server Properties:
Indexing Memory Creation is set to 0 (Dynamic Memory)
Minimum memory per query = 1024 KB
Maximum server memory = maxed out # 21474836447 MB
Minimum Server Memory = 10 MB
I have a server that saves 1000 record every minute, I wrote a trigger that does a series of jobs for every row and I used a lot of table and other variables in it. Now my SQL Server memory usage increases very fast and I can't manage it.
I set min server memory and max server memory but it can't help me, when I set max memory server my SQL Server performance decreased and save process interrupted.
I used these resources but these can't help me:
Great SQL Server Debates: Lock Pages in Memory
How to: Set a Fixed Amount of Memory (SQL Server Management)
I have to reset SQL Server Service every 4 hour but this is not a correct way.
How to release memory of SQL Server?