1. How to determine connection pool size programmatically? stackoverflow.comIs there any way to determine database connection pool size (connection in used/connection remaining in connection pool) programmatically? We am using Hibernate with C3P0. We are facing issues while connecting to db. ... |
2. DBCP Connection pool limited size 9 connectionis only forum.hibernate.orgTomcat DBCP Connection Pooling to MySQL limited number of connection issue in Spring2.5 + Hibernate3 + commons-DBCP1.2 Hi, I am using Spring 2.5, Hibernate 3 and MySQL (5.0.45 (32 Bit), 5.0.84(64 Bit)) with commons-DBCP 1.2 in Tomcat-5.5 My issue is that even after specifying Connection pool of initialSize=40 and minIdle=35, my App. server is keeps only 9 connections open under zero ... |
3. hibernate.connection.pool_size forum.hibernate.orgfrom what I understand hibernate.connection.pool_size is used to turn on Hibernates internal connection pooling mechanism - but it is recommended that for anything other than testing you turn this off and use a third party connection pool. In your case then, I assume what you want to do is remove the pool_size setting entirely. |
4. out of memory when increase connection pool size forum.hibernate.orgThe JVMs I am familiar with allow you to specify the memory to be used. You can try increasing the memory to 256MB by passing the command -Xmx256m, for example. Of course it is possible that you have some other problem in the code. If the above (or some other value) fixes the problem I would at least load test the ... |
5. Do i need "hibernate.connection.pool_size" in case forum.hibernate.orgHey, i have the following hibernate properties file , and i wonder if i need "hibernate.connection.pool_size" in case that C3P0 connection poll configured. My properties file (partial): ################################# ### Hibernate Connection Pool ### ################################# hibernate.connection.pool_size 1 ########################### ### C3P0 Connection Pool### ########################### hibernate.c3p0.max_size 15 hibernate.c3p0.min_size 4 hibernate.c3p0.timeout 5000 hibernate.c3p0.max_statements 100 hibernate.c3p0.idle_test_period 3000 hibernate.c3p0.acquire_increment 2 hibernate.c3p0.validate false |
6. hibernate exceeds connection pool size defined in c3p0 forum.hibernate.orgI have an application running in weblogic that uses c3p0 connection pooling. All the session.close() calls are in finally blocks in the application. When the app runs under load, the database connections exceed the max defined number in the connection pool (eg: connection shown to database server are 275, but max defined limit is 20). Code: |