Alawn/Druid
1
0
Fork 0
mirror of https://github.com/alibaba/druid.git synced 2023-03-04 19:17:16 +00:00
Code Issues Releases Wiki Activity

IN PROGRESS - issue DRUID-82: 当sql没有参数化时，sql数量过多会导致OOM

Browse Source 
http://code.alibabatech.com/jira/browse/DRUID-82
This commit is contained in:
wenshao
2011-11-07 19:45:01 +08:00
parent 2b14fa2b48
commit d9475d6f4d
2 changed files with 66 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/main/java/com/alibaba/druid/filter/stat/StatFilter.java
+8 -2
View File
@@ -67,6 +67,8 @@ public class StatFilter extends FilterEventAdapter implements StatFilterMBean {
protected final AtomicLong resetCount = new AtomicLong();
protected int maxSqlStatCount = 1000 * 10;
public boolean isConnectionStackTraceEnable() {
return connectionStackTraceEnable;
}
@@ -81,10 +83,10 @@ public class StatFilter extends FilterEventAdapter implements StatFilterMBean {
public void reset() {
dataSourceStat.reset();
resetCount.incrementAndGet();
}
public long getResetCount() {
return resetCount.get();
}
@@ -670,6 +672,10 @@ public class StatFilter extends FilterEventAdapter implements StatFilterMBean {
final ConcurrentMap<String, JdbcSqlStat> sqlStatMap = dataSourceStat.getSqlStatMap();
JdbcSqlStat sqlStat = sqlStatMap.get(sql);
if (sqlStat == null) {
if (dataSourceStat.getSqlStatMap().size() >= maxSqlStatCount) {
return null;
}
JdbcSqlStat newSqlStat = new JdbcSqlStat(sql);
if (dataSourceStat.getSqlStatMap().putIfAbsent(sql, newSqlStat) == null) {
newSqlStat.setId(JdbcStatManager.getInstance().generateSqlId());