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The Tomcat JDBC Connection Pool Table of Contents You should change the text to give credit to the right person.Apache Tomcat 7 (7.0.109) - The Tomcat JDBC Connection PoolĪpache Tomcat 7 Version 7.0.109, Apr 22 2021 In the next steps section it states there is another approach by Jamie Thompson, however the link is to James Rowland-Jones's blog :-) This has been updated to reflect the correct author. For a detailed explanation you can visit this link: I would like to point out that another approach exists and that is via sql server trace.
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Really useful, i tried this solution but i found tha AuditLoginTable grew exponentially, and added more than one record for each loginĪnd every time I executed select query, the returned data increased twice. I want to view which user is updating which database.In short one more column in output window with db name. If you have any issues with LOGON triggers and you can not connect to SQL Server review this tip.Keep on eye on this audit table, because this will track all connections to your database server and may get quite large.Take a look at these other DDL Triggers.Here is another approach for finding connection pool information by James Rowland-Jones.You can look at the IsPooled column to check if the connections are pooled. Here is a sample result from the data that was collected using the above DDL trigger. GRANT INSERT ON dbo.ServerLogonHistory TO PUBLIC Grant insert rights to public for this table Here is another way to do this by giving GRANT INSERT permissions to PUBLIC for table. If you do not want to use the "sa" account another option is to create a new login, grant insert permissions to this table for this login and then use this login in the EXECUTE AS clause in the trigger.
SQL SERVER CONNECTION STRING POOLING CODE
In order for users to write to this table, that do not have rights to this table, I am using the EXECUTE AS clause in the trigger to run the code using the equivalent of the "sa" account. value ( '(/EVENT_INSTANCE/IsPooled)', 'nvarchar(1)' ) value ( '(/EVENT_INSTANCE/ClientHost)', 'nvarchar(512)' )
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value ( '(/EVENT_INSTANCE/LoginType)', 'nvarchar(512)' ) value ( '(/EVENT_INSTANCE/LoginName)', 'nvarchar(512)' ) value ( '(/EVENT_INSTANCE/ServerName)', 'nvarchar(512)' ) value ( '(/EVENT_INSTANCE/SPID)', 'nvarchar(4)' ) value ( '(/EVENT_INSTANCE/PostTime)', 'datetime' ) value ( '(/EVENT_INSTANCE/EventType)', 'nvarchar(512)' ) ON ALL SERVER WITH EXECUTE AS 'sa' FOR LOGON Create the Logon Trigger Trigger_ServerLogon This should be created in the master database. Here is the script to create a table to store the data and a DDL Logon trigger to capture this data. In addition, the time it takes to make the connection can also slow down processing. That means each user connection cost is approximately 130 KB. The cost of each user connection is approximately (3 * network_packet_size + 94 KB) where the default network packet size is 4 KB. Identifying this fact is very important to every DBA as the cost of opening a connection every time data is requested is expensive. SQL Server 2005 introduced DDL Triggers and this solution takes advantage of the DDL Logon trigger along with the EVENTDATA() function to determine if the connections are using connection pool or NOT.
SQL SERVER CONNECTION STRING POOLING HOW TO
How do I check whether the application is using connection pooling correctly when connecting to SQL Server? Is there an easy way to see which connections are using connection pooling and which ones are not? In this tip, I will go over how to capture this information for each logon, so you can see which connections are taking advantage of connection polling. Our applications are using a high number of connections and the server is very busy. By: Sankar Reddy | Updated: | Comments (7) | Related: More > Triggers