Spring Boot JDBC Connection Pool testOnBorrow and testWhileIdle tracing and optimal settings
We have a Spring Boot Micro-services Architecture, the problem is the connections in pool sometimes become stale and a /health check fail, This is how I am going to address the issue, by setting testOnBorrow so that connection is tested before being returned.
Following properties should eventually fix the problem
spring.datasource.tomcat.testOnBorrow=true
spring.datasource.tomcat.validationQuery=SELECT 1
spring.datasource.tomcat.validationInterval=30000
spring.datasource.tomcat.testWhileIdle = true
spring.datasource.tomcat.timeBetweenEvictionRunsMillis=30000
spring.datasource.tomcat.minEvictableIdleTimeMillis=60000
spring.datasource.tomcat.validationQuery = SELECT 1
I am trying to make sure all this happening right, before I promote this change.
I don't see SELECT 1 in any logs even the connection is Idle for a long time.
So there are 2 questions:
Is there a way to see the validation query executed at certain times in java logs / db logs so that it ensures the problem is fixed.
What should be the optimal settings for connection validation for testOnBorrow (validationInterval) and testWhileIdle (timeBetweenEvictionRunsMillis) as mentioned in Tomcat JDBC Connection Pool Documentation
java
sql-server spring tomcat jdbc asked Dec 31 '18 at 18:55
VikasVikas
695
add a comment |
We have a Spring Boot Micro-services Architecture, the problem is the connections in pool sometimes become stale and a /health check fail, This is how I am going to address the issue, by setting testOnBorrow so that connection is tested before being returned.
Following properties should eventually fix the problem
spring.datasource.tomcat.testOnBorrow=true
spring.datasource.tomcat.validationQuery=SELECT 1
spring.datasource.tomcat.validationInterval=30000
spring.datasource.tomcat.testWhileIdle = true
spring.datasource.tomcat.timeBetweenEvictionRunsMillis=30000
spring.datasource.tomcat.minEvictableIdleTimeMillis=60000
spring.datasource.tomcat.validationQuery = SELECT 1
I am trying to make sure all this happening right, before I promote this change.
I don't see SELECT 1 in any logs even the connection is Idle for a long time.
So there are 2 questions:
Is there a way to see the validation query executed at certain times in java logs / db logs so that it ensures the problem is fixed.
What should be the optimal settings for connection validation for testOnBorrow (validationInterval) and testWhileIdle (timeBetweenEvictionRunsMillis) as mentioned in Tomcat JDBC Connection Pool Documentation
java
sql-server spring tomcat jdbc asked Dec 31 '18 at 18:55
VikasVikas
695
add a comment |
We have a Spring Boot Micro-services Architecture, the problem is the connections in pool sometimes become stale and a /health check fail, This is how I am going to address the issue, by setting testOnBorrow so that connection is tested before being returned.
Following properties should eventually fix the problem
spring.datasource.tomcat.testOnBorrow=true
spring.datasource.tomcat.validationQuery=SELECT 1
spring.datasource.tomcat.validationInterval=30000
spring.datasource.tomcat.testWhileIdle = true
spring.datasource.tomcat.timeBetweenEvictionRunsMillis=30000
spring.datasource.tomcat.minEvictableIdleTimeMillis=60000
spring.datasource.tomcat.validationQuery = SELECT 1
I am trying to make sure all this happening right, before I promote this change.
I don't see SELECT 1 in any logs even the connection is Idle for a long time.
So there are 2 questions:
Is there a way to see the validation query executed at certain times in java logs / db logs so that it ensures the problem is fixed.
What should be the optimal settings for connection validation for testOnBorrow (validationInterval) and testWhileIdle (timeBetweenEvictionRunsMillis) as mentioned in Tomcat JDBC Connection Pool Documentation
java
sql-server spring tomcat jdbc asked Dec 31 '18 at 18:55
VikasVikas
695
We have a Spring Boot Micro-services Architecture, the problem is the connections in pool sometimes become stale and a /health check fail, This is how I am going to address the issue, by setting testOnBorrow so that connection is tested before being returned.
Following properties should eventually fix the problem
spring.datasource.tomcat.testOnBorrow=true
spring.datasource.tomcat.validationQuery=SELECT 1
spring.datasource.tomcat.validationInterval=30000
spring.datasource.tomcat.testWhileIdle = true
spring.datasource.tomcat.timeBetweenEvictionRunsMillis=30000
spring.datasource.tomcat.minEvictableIdleTimeMillis=60000
spring.datasource.tomcat.validationQuery = SELECT 1
I am trying to make sure all this happening right, before I promote this change.
I don't see SELECT 1 in any logs even the connection is Idle for a long time.
So there are 2 questions:
Is there a way to see the validation query executed at certain times in java logs / db logs so that it ensures the problem is fixed.
What should be the optimal settings for connection validation for testOnBorrow (validationInterval) and testWhileIdle (timeBetweenEvictionRunsMillis) as mentioned in Tomcat JDBC Connection Pool Documentation
java
sql-server spring tomcat jdbc java
sql-server spring tomcat jdbc asked Dec 31 '18 at 18:55
VikasVikas
695
asked Dec 31 '18 at 18:55
VikasVikas
695
asked Dec 31 '18 at 18:55
VikasVikas
695
asked Dec 31 '18 at 18:55
VikasVikas
695
asked Dec 31 '18 at 18:55
VikasVikas
695
695
add a comment |
add a comment |
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