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Server system memory capacities have grown to ridiculously large levels
far beyond what is necessary now that solid-state storage is practical.
Why is this a problem?
Because the requirement that memory capacity trumps other criteria has
driven system architecture to be focused exclusively on low cost DRAM.
DDR DRAM, currently in its ...
There is an article on
that a new Intel processor architecture to succeed the lake processors
(Sky, Cannon, Ice and Tiger)
will be ''faster and leaner'' and more interestingly might not be entirely
compatible with older software.
The original source is
I suppose it is curious that the Lake processors form a ...
It should be intuitively obvious that round-trip memory access latency
is one of the most important factors in modern server system architecture
for transaction processing databases.
Yet this is a topic that no one talks about.
Vendors do not want to discuss this because no near or long-term actions are planned.
Outsiders cannot write a ...
almost 20 years ago, when Intel was doing the SSE vector floating point in what became Pentium III, there was some thought that this was an important feature that required 2M transistors back when 2M transistors was a lot (PII was 7.5M, Katmai PIII 9.5M), it ought to get a premium over same frequency PII.
However, the reality was that software ...
could you be specific on which OCZ products, ex, Vertex/Vector, or the low end?
I don't have the infrastructure to test storage spaces. There was a session at PASS by Brian Walters of SanDisk on storage spaces. They cited 24 and 40GB/s! They used 100GbE, not sure whose adapter, but 40GB/s must be 4 x 100GbE at linear scaling. Note iSCSI and FCOE did not scale past 2 x 10GbE back a few years. Their backend had SATA or SAS SSDs ...
A couple of months ago, I got a pair of Intel XL710QDA2 Ethernet Converged Network Adapters, basically the fancy way of saying 40 Gigabit Ethernet that does other stuff too. I also bought the Intel QSFP+ Twin-axial cable. At that point in time, I might like to have opted for the newer Intel Omni-Path 100Gbps (56Gbps on PCI-E x4) which came out ...
Last month, Samsung announced
that their 960 Pro,
(PCI-E x4 gen3) M.2 NVMe SSD would available in October
at 512GB, 1TB and 2TB capacities.
This is a high-end PC and workstation product.
There is a similar but separate product line (SM961?) for OEM customers.
The 960 Pro had already been mentioned earlier this year.
This week, all the ...
I am inclined to recommend modifying sp_sqlagent_log_jobhistory to comment out the call to sp_jobhistory_row_limiter,
then once a night or some interval, delete the excess rows from msdb.dbo.sysjobhistory using whatever criteria you might like.
As for sp_sqlagent_has_server_access, my guess is that your jobs are running from an account that has ...
In my case, the issue was not that the sp_jobhistory_row_limiter call consuming too much cpu, but rather that it was enough to show up on the top 10-20 list. For all normal code, I had made substantial improvement, and I did not want to say this is MS code that we cannot touch, when in fact we can touch it. My assessment was that adhering to the ...