I have an application to save hive table/column lineage to Neo4j。
OOM issue often appears once a day or twice a day
The application is running on docker with 4Core CPU 7G memory。
As shown in the attachment, when oom occurs , the java dump file shows that there are lots of 'org.neo4j.driver.internal.shaded.io.netty.channel.nioNioEventLoop' 。
I am using Neo4j Driver with Spring like this:
@Component
public class Neo4jDriver implements AutoCloseable{
@Getter
private Driver driver;
@PostConstruct
public void init(){
driver = GraphDatabase.driver( uri, AuthTokens.basic( user, password ) );
}
@Override
public void close() throws Exception {
driver.close();
}
}
@Component
public class LineageInfoDao {
@Resource
private Neo4jDriver neoDriver;
public void buildLineageInfo(LineageInfo lineageInfo) {
try (Session session = neoDriver.getDriver().session()) {
session.writeTransaction(tx ->
{
mergeTable(tx, lineageInfo);
mergeColumn(tx, lineageInfo);
return true;
});
}
}
}
Any clue?
