Viewing 15 posts - 1 through 15 (of 20 total)
you have deadlock between 2 similar processes running
(@p__linq__0 nvarchar(4000),@p__linq__1 nvarchar(4000),@p__linq__2 int,@p__linq__3 int)SELECT ...
and
(@p__linq__0 nvarchar(4000),@p__linq__1 int)SELECT TOP (1)...
from .net on dbid =14
As 2 selects in read committed mode dont lock each...
May 21, 2025 at 4:34 pm
start from this
select name,log_reuse_wait_desc from sys.databases
what do you see for the db where you have a problem?
May 21, 2025 at 6:38 am
No, backups do not cause the deadlocks. As it happens at night, check other jobs, likely you have index rebuild/reorg, update stats etc. These jobs are more likely to cause...
May 21, 2025 at 6:22 am
Also, as reindexing cycle takes several month, and business is quickly growing and we have more data, there are too many variables.
At least we keep all SLAs with...
October 5, 2023 at 5:22 am
Snapmanager for SQL allows you to database level backups and avoid the OS freeze. We implemented it as a solution to back up a 3-4 terabyte sharepoint site database...
October 5, 2023 at 5:18 am
Yes, we have dedicated server to test the restores
October 5, 2023 at 5:09 am
Also, as reindexing cycle takes several month, and business is quickly growing and we have more data, there are too many variables.
At least we keep all SLAs with growing amount...
October 4, 2023 at 7:37 pm
We had reversed organic databases growth, so Used space in a database, which steadily increased, dropped sharply in few month. So I had bought 1-2 years of life on the...
October 4, 2023 at 7:33 pm
When I metioned NetApp, it was on a previous job where I had hunderds of servers with small databases
On a new job with VLDBs and 80Tb we use NetApp just...
October 4, 2023 at 7:26 pm
I used Vmware+NetAPP level instant backups
They are great until your databases are small, <200-500Gb
With that workload, our servers are bare metal. Local SSD for data and NVMe for tempdb. Because...
October 4, 2023 at 7:23 pm
I am aware of that effect. We do update stats which changes (sometimes) execution plans
We monitor Query Store a lot for regressed queries and check for execution plans change.
As you...
October 4, 2023 at 7:17 pm
I am using COMPRESSION=PAGE
Even without COMPRESSION, tables become 1.5-2 times smaller after rebuild
With the compression, below is the extract from the output of my script. You can see, sometimes tables...
October 4, 2023 at 7:12 pm
We are using 4 backup files on NetApp in the same datacenter
network is two 10gbs adapters bridged
all other settings are default
October 4, 2023 at 7:08 pm
We had an isse when HADR was locked by user transactions and vice versa
It happened soon after we upgraded from Standard edition to Enterprise and started to use Resource Gov.
But...
October 4, 2023 at 7:43 am
Hm. Some of our databases are 20Tb. Total 80Tb on one server, takes more than a day for full backup.
October 4, 2023 at 7:38 am
Viewing 15 posts - 1 through 15 (of 20 total)