开启PoolSweeper
tomcat-jdbc-8.5.11-sources.jar!/org/apache/tomcat/jdbc/pool/PoolProperties.java
@Override
public boolean isPoolSweeperEnabled() {
boolean timer = getTimeBetweenEvictionRunsMillis()>0;
boolean result = timer && (isRemoveAbandoned() && getRemoveAbandonedTimeout()>0);
result = result || (timer && getSuspectTimeout()>0);
result = result || (timer && isTestWhileIdle() && getValidationQuery()!=null);
result = result || (timer && getMinEvictableIdleTimeMillis()>0);
return result;
}
参数
spring.datasource.tomcat.initial-size=10
spring.datasource.tomcat.max-active=100
spring.datasource.tomcat.max-idle=50
spring.datasource.tomcat.min-idle=10
spring.datasource.tomcat.time-between-eviction-runs-millis=30000
spring.datasource.tomcat.min-evictable-idle-time-millis=60000
spring.datasource.tomcat.validation-query=select 1
spring.datasource.tomcat.validation-interval=30000
spring.datasource.tomcat.remove-abandoned=true
spring.datasource.tomcat.remove-abandoned-timeout=60
spring.datasource.tomcat.log-abandoned=true
spring.datasource.tomcat.abandon-when-percentage-full=50
spring.datasource.tomcat.jdbc-interceptors=ResetAbandonedTimer
spring.datasource.tomcat.suspect-timeout=60
或者
spring:
datasource:
driver-class-name: org.postgresql.Driver
url: jdbc:postgresql://192.168.99.100:5432/postgres
username: postgres
password: postgres
tomcat:
initial-size: 10
max-active: 100
## when pool sweeper is enabled, extra idle connection will be closed
max-idle: 50
## when idle connection > min-idle, poolSweeper will start to close
min-idle: 10
# PoolSweeper run interval
time-between-eviction-runs-millis: 30000
remove-abandoned: true
# how long a connection should return,if not return regard as leak connection
remove-abandoned-timeout: 60
# how log a connection should return, or regard as probably leak connection
suspect-timeout: 60
log-abandoned: true
abandon-when-percentage-full: 50
# idle connection idle time before close
min-evictable-idle-time-millis: 60000
validation-query: select 1
validation-interval: 30000
jdbc-interceptors: ResetAbandonedTimer;ConnectionState;SlowQueryReport(threshold=10)
doc
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