Getting Started with the SharePoint Logging and Reporting Database in SharePoint 2010
Written By: Arshad Ali -- 6/1/2011 --
(139) comments --
Categories: Configurations, SharePoint 2010, SharePoint Foundation 2010, System Administration
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last tip I talked about diagnostic logging in SharePoint
2010 and how it helps in troubleshooting. Troubleshooting with trace
files is good but wouldn't it be cool if we have all the logging (usage
information on single place in consolidated form which help you to build
reports and do analysis on collected data from all the servers
of the farm? I heard SharePoint 2010 has new logging database. What is
it, what does it store? How we can control the amount of information to
be logged in the SharePoint logging database?
SharePoint 2010 is now capable of accumulating all the
usage and health related data (log files) from all servers in the farm
into a new SQL Server database. This centralized consolidation of data, from all servers helps you to better generate reports for analysis purposes and
can even use it as external content types or a list to Business
Connectivity Services(BCS). By default this is enabled and data gets
aggregated using a timer job.
As opposed to other SharePoint
databases, this database is fully supported for reading and writing whenever you need to do so, as
the schema is public.
Now if you are wondering
why is only this database supported for reading and writing then the
reason is very simple. The logging database aggregates usage and health data from trace files
from all servers (already gathered information on the servers).
Before digging more into this database, lets see how to configure and
control what and when to be aggregated in the logging database. Go to
link on the left side of SharePoint 2010 Central Administration and
click on the "Configure usage and health data collection" link under
Reporting as shown below:
As I said before, by default, usage data aggregation is enabled as you can
see in the image below. You can choose which events you want to be
captured. By default all 8 events are chosen, you should consider
choosing only those which are required as more event logging will have
impact on the performance.
Next you need to
specify the log file location and maximum
size of the log file to be maintained at a time. By default it is stored
in a log folder of the "14 Hive" or the SharePoint root folder along
with trace files. You should consider changing this location to
some other drive than the drive on which SharePoint has been
installed. (A high speed drive might be good, especially in case you are
using verbose logging).
Also make sure that same location is available on all the
servers of the farm.
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