SQLAuthority Author Visit Report – Tech Meetings – Recession – Job Market – Consolidation of Servers

SQLAuthority Author Visit Report - Tech Meetings - Recession - Job Market - Consolidation of Servers market In this blog post, I will discuss various topics which are related to various DBAs and Developers discussed in the recent market. I had a discussion about various subject matters with the IT head. I will be briefly writing down my experience here.

Recession: Recession has affected every market. The largest affected industries are luxury consumer goods and automotive industries. It is quite clear that industries are affected but so far IT departments are not affected by any slowdowns. IT departments are still doing fine and they do not have layoffs, however, large organizations have stopped their hiring.

Job Market: This is a concern of every employer and employee. Every employee needs a good and steady job and every employer wants a hardworking and sincere employee.

Consolidation of Servers: This was an interesting topic to discuss as there were clearly two different opinions I have received from different IT department heads.

Few suggested that as Hyper-V techniques are now getting popular and more and more powerful servers are coming out in the market and their application has steady load they should consolidate their server to reduce wastage of resources.

Other few suggested that it is not a good idea to consolidate servers as application architecture is already the design in such a way that databases on different servers can be utilized efficiently. There are chances that load on the server will increase and more logic will be placed at the database level instead of application level. This requires that consolidation is not done and separate servers are utilized.

Operating System Choice: Windows was defaulting OS at each organization so there is no argument.

Server Reboots: This is an ongoing debate that whether the server should be frequently rebooted or not. Many people take the side of rebooting it every day and many people take the side of not rebooting it ever. My personal opinion is that the server may be rebooted once every fortnight when new updates are installed. I have previously written an article about the same subject SQL SERVER – Frequency of SQL Server Reboot and Restart.

SQL Server over other RDBMS: Most of the organization preferred SQL Server over Oracle or MySQL because its cost-effectiveness, as well as features, reach product. I am all SQL Server person so I just agreed on all the good point top leaders of IT were suggesting.

Performance Optimization: This was the most discussed topic in our meetings. I will write a separate article about different developers opinions and their best practices. Few of the common performance optimization best practices were as following.

  • Avoid usage of Cursors, Views, Loops, Triggers
  • Indexing tables as necessary
  • 3rd Normal Database Architecture

Backup and Restore: Tape backup is still used in most of the organization. I was under impression that with Hard drive getting cheaper large organizations must be more relying on it but I was surprised to see that tape backup is still preferred in any organization. Usually, IT department store backup of the database for on average one week. The most interesting pattern I have seen is as following and I think it was good practice.

  • Full backup every 6 hours
  • Differential backup every 30 mins
  • Transaction log backup every 5 mins

I thought it was the best way to restore the database in case of disaster recovery. It is very important to test the database by restoring it on the server. Many times, developers know how to take a backup of the database but have no idea about how to restore them or face some unforeseen problems when restoring them.

Reference : Pinal Dave (https://blog.sqlauthority.com)

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