Performance tuning done by adjusting database parameters or physical layout of the database.
3
votes
1answer
91 views
Slow SSRS Report in production
I have an SSRS report which gets its data by firing a series of stored procedures.
Now the report is timing out big time when run in production, yet when I pull down the prod database and restore to ...
0
votes
1answer
226 views
How to change page size in an existing sybase database
I have an existing database with 1 kb page size i want to increase that to 16kb and increase cache to take advantage of my memory for best performance. sybase documentations said you can't change page ...
1
vote
0answers
73 views
Configuring PostgreSQL for read performance
Our system write a lots of data (kind of Big Data system). The write performance is good enough for our needs but the read performance is really too slow.
The primary key (constraint) structure is ...
1
vote
0answers
952 views
Could Oracle ORA-08103 'object no longer exists' error be caused by size of undo_retention parameter?
Had a once-a-day long running data warehousing procedure that I had written that was failing about 50% of the time. Logs were showing ORA-08103 'object no longer exists'.
ORA-12012: error on auto ...
1
vote
0answers
278 views
SQL Server Database Engine Tuning Advisor vs DMV queries
What is the best way to tune the indexes on my production database? I normally use the following query :
SELECT
user_seeks * avg_total_user_cost * (avg_user_impact * 0.01) AS [index_advantage],
...
0
votes
0answers
33 views
Tuning advisor with Extended events?
With SQL traces I was able to analyze them with Database Engine Tuning Advisor to obtain basic recommendations for perf. tuning(missing indexes, statistics,...).
Now, with SQL 2012 and Extended ...
0
votes
0answers
51 views
PostgreSQL can't start after tuning some options
I'm having some issues with "too many clients" and I tried to change the max_connections param (currently 100). I tried to set some value like 300, but when I restart the service, I got this
...
0
votes
0answers
31 views
Oracle User Profile for REST API
What sort of profile would you recommend for an Oracle user that is manifested through a RESTful API; particularly where there will be a lot of asynchronous requests? So we're talking about a ...