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Code Issues Releases Wiki Activity

support maxEvictableIdleTimeMillis

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高铁
2016-03-11 21:26:40 +08:00
parent 64ffb6b6f4
commit b66c366f93
6 changed files with 263 additions and 28 deletions
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src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+61 -15
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@@ -53,6 +53,8 @@ import javax.sql.ConnectionEventListener;
import javax.sql.ConnectionPoolDataSource;
import javax.sql.PooledConnection;
import org.apache.ibatis.jdbc.SQL;
import com.alibaba.druid.Constants;
import com.alibaba.druid.TransactionTimeoutException;
import com.alibaba.druid.VERSION;
@@ -283,6 +285,39 @@ public class DruidDataSource extends DruidAbstractDataSource
this.setFailFast(value);
}
}
{
String property = properties.getProperty("druid.phyTimeoutMillis");
if (property != null && property.length() > 0) {
try {
long value = Long.parseLong(property);
this.setPhyTimeoutMillis(value);
} catch (NumberFormatException e) {
LOG.error("illegal property 'druid.phyTimeoutMillis'", e);
}
}
}
{
String property = properties.getProperty("druid.minEvictableIdleTimeMillis");
if (property != null && property.length() > 0) {
try {
long value = Long.parseLong(property);
this.setMinEvictableIdleTimeMillis(value);
} catch (NumberFormatException e) {
LOG.error("illegal property 'druid.minEvictableIdleTimeMillis'", e);
}
}
}
{
String property = properties.getProperty("druid.maxEvictableIdleTimeMillis");
if (property != null && property.length() > 0) {
try {
long value = Long.parseLong(property);
this.setMaxEvictableIdleTimeMillis(value);
} catch (NumberFormatException e) {
LOG.error("illegal property 'druid.maxEvictableIdleTimeMillis'", e);
}
}
}
}
public boolean isUseGlobalDataSourceStat() {
@@ -541,8 +576,6 @@ public class DruidDataSource extends DruidAbstractDataSource
return;
}
init = true;
initStackTrace = Utils.toString(Thread.currentThread().getStackTrace());
this.id = DruidDriver.createDataSourceId();
@@ -589,13 +622,16 @@ public class DruidDataSource extends DruidAbstractDataSource
}
if (getInitialSize() > maxActive) {
throw new IllegalArgumentException("illegal initialSize " + this.initialSize + ", maxActieve "
+ maxActive);
throw new IllegalArgumentException("illegal initialSize " + this.initialSize + ", maxActieve " + maxActive);
}
if (timeBetweenLogStatsMillis > 0 && useGlobalDataSourceStat) {
throw new IllegalArgumentException("timeBetweenLogStatsMillis not support useGlobalDataSourceStat=true");
}
if (maxEvictableIdleTimeMillis < minEvictableIdleTimeMillis) {
throw new SQLException("maxEvictableIdleTimeMillis must be grater than minEvictableIdleTimeMillis");
}
if (this.driverClass != null) {
this.driverClass = driverClass.trim();
@@ -666,6 +702,7 @@ public class DruidDataSource extends DruidAbstractDataSource
createAndStartDestroyThread();
initedLatch.await();
init = true;
initedTime = new Date();
registerMbean();
@@ -674,7 +711,7 @@ public class DruidDataSource extends DruidAbstractDataSource
throw connectError;
}
} catch (SQLException e) {
LOG.error("dataSource init error", e);
LOG.error("{dataSource-" + this.getID() + "} init error", e);
throw e;
} catch (InterruptedException e) {
throw new SQLException(e.getMessage(), e);
@@ -2185,24 +2222,33 @@ public class DruidDataSource extends DruidAbstractDataSource
try {
final int checkCount = poolingCount - minIdle;
final long currentTimeMillis = System.currentTimeMillis();
for (int i = 0; i < checkCount; ++i) {
for (int i = 0; i < poolingCount; ++i) {
DruidConnectionHolder connection = connections[i];
long phyConnectTimeMillis = connection.getTimeMillis() - currentTimeMillis;//physical connection connected time
if( phyConnectTimeMillis > phyTimeoutMillis ){
evictList.add(connection);//if physical connection connected greater than phyTimeoutMillis, close the connection, for mysql 8 hours timeout
continue;
}
if (checkTime) {
long phyConnectTimeMillis = connection.getTimeMillis() - currentTimeMillis;//physical connection connected time
if (phyTimeoutMillis > 0 && phyConnectTimeMillis > phyTimeoutMillis) {
evictList.add(connection);
continue;
}
long idleMillis = currentTimeMillis - connection.getLastActiveTimeMillis();
if (idleMillis >= minEvictableIdleTimeMillis) {
if (idleMillis < minEvictableIdleTimeMillis) {
break;
}
if (checkTime && i < checkCount) {
evictList.add(connection);
} else if (idleMillis > maxEvictableIdleTimeMillis) {
evictList.add(connection);
}
} else {
if (i < checkCount) {
evictList.add(connection);
} else {
break;
}
} else {
evictList.add(connection);
}
}