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From "Prasanth Gullapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-7271) Bulk data loading in Cassandra causing OOM
Date Tue, 20 May 2014 12:50:38 GMT
Prasanth Gullapalli created CASSANDRA-7271:
----------------------------------------------

             Summary: Bulk data loading in Cassandra causing OOM
                 Key: CASSANDRA-7271
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7271
             Project: Cassandra
          Issue Type: Bug
            Reporter: Prasanth Gullapalli


I am trying to load data from a csv file into Cassandra table using SSTableSimpleUnsortedWriter.
As the latest maven cassandra dependencies have some issues with it, I have taken the _next_
beta (rc) version cut as suggested in CASSANDRA-7218. But after taking it, I am facing issues
with bulk data loading

Here is the piece of code which loads data:
public void loadData(TableDefinition tableDefinition, InputStream csvInputStream){

    createDataInDBFormat(tableDefinition, csvInputStream);

    Path dbFilePath = Paths.get(TEMP_DIR, keyspace, tableDefinition.getName());
    //BulkLoader.main(new String[]{"-d","localhost",dbFilePath.toUri().getPath()});

    try {
        JMXServiceURL jmxUrl = new JMXServiceURL(String.format(
                "service:jmx:rmi:///jndi/rmi://%s:%d/jmxrmi", cassandraHost, cassandraJMXPort));
        JMXConnector connector = JMXConnectorFactory.connect(jmxUrl, new HashMap<String,
Object>());
        MBeanServerConnection mbeanServerConn = connector.getMBeanServerConnection();
        ObjectName name = new ObjectName("org.apache.cassandra.db:type=StorageService");
        StorageServiceMBean storageBean = JMX.newMBeanProxy(mbeanServerConn, name, StorageServiceMBean.class);

        storageBean.bulkLoad(dbFilePath.toUri().getPath());
        connector.close();

    } catch (IOException | MalformedObjectNameException e) {
        e.printStacktrace()
    }
    FileUtils.deleteQuietly(dbFilePath.toFile());
}

private void createDataInDBFormat(TableDefinition tableDefinition, InputStream csvInputStream)
{
    try(Reader reader = new InputStreamReader(csvInputStream)){

        String tableName = tableDefinition.getName();
        File directory = Paths.get(TEMP_DIR, keyspace, tableName).toFile();
        directory.mkdirs();

        String yamlPath = "file:\\"+CASSANDRA_HOME+File.separator+"conf"+File.separator+"cassandra.yaml";
        System.setProperty("cassandra.config", yamlPath);

        SSTableSimpleUnsortedWriter writer = new SSTableSimpleUnsortedWriter(
                directory, new Murmur3Partitioner(), keyspace,
                tableName, AsciiType.instance, null, 10);
        long timestamp = System.currentTimeMillis() * 1000;

        CSVReader csvReader = new CSVReader(reader);
        String[] colValues = null;
        List<ColumnDefinition> columnDefinitions = tableDefinition.getColumnDefinitions();
        while((colValues = csvReader.readNext()) != null){
            if(colValues.length != 0){
                writer.newRow(bytes(colValues[0]));
                for(int index = 1; index< colValues.length; index++){
                    ColumnDefinition columnDefinition = columnDefinitions.get(index);    
  
                    writer.addColumn(bytes(columnDefinition.getName()), bytes(colValues[index]),
timestamp);
                }
            }
        }
        csvReader.close();
        writer.close();
    } catch (IOException e) {
        e.printStacktrace();
    }
}

On trying to run loadData, it is giving me the following exception:
11:23:18.035 [45742123@qtp-1703018180-0] ERROR com.adaequare.common.config.TransactionPerRequestFilter.doInTransactionWithoutResult
39 - Problem in executing request : [http://localhost:8081/mapro-engine/rest/masterdata/pumpData].
Cause :org.glassfish.jersey.server.ContainerException: java.lang.OutOfMemoryError: Java heap
space
javax.servlet.ServletException: org.glassfish.jersey.server.ContainerException: java.lang.OutOfMemoryError:
Java heap space
        at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:392) ~[jersey-container-servlet-core-2.6.jar:na]
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:381)
~[jersey-container-servlet-core-2.6.jar:na]
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:344)
~[jersey-container-servlet-core-2.6.jar:na]
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:219)
~[jersey-container-servlet-core-2.6.jar:na]
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) ~[jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
[jetty-6.1.25.jar:6.1.25]
        at com.adaequare.common.config.TransactionPerRequestFilter$1.doInTransactionWithoutResult(TransactionPerRequestFilter.java:37)
~[mapro-commons-1.0.jar:na]
        at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:34)
[spring-tx-4.0.3.RELEASE.jar:4.0.3.RELEASE]
:4.0.3.RELEASE]
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)
[spring-tx-4.0.3.RELEASE.jar:4.0.3.RELEASE]
        at com.adaequare.common.config.TransactionPerRequestFilter.doFilter(TransactionPerRequestFilter.java:33)
[mapro-commons-1.0.jar:na]
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
[jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:440) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
[jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
[jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.Server.handle(Server.java:326) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:943)
[jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) [jetty-6.1.25.jar:6.1.25]
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) [jetty-util-6.1.25.jar:6.1.25]
Caused by: org.glassfish.jersey.server.ContainerException: java.lang.OutOfMemoryError: Java
heap space
        at org.glassfish.jersey.servlet.internal.ResponseWriter.rethrow(ResponseWriter.java:249)
~[jersey-container-servlet-core-2.6.jar:na]
        at org.glassfish.jersey.servlet.internal.ResponseWriter.failure(ResponseWriter.java:231)
~[jersey-container-servlet-core-2.6.jar:na]
        at org.glassfish.jersey.server.ServerRuntime$Responder.process(ServerRuntime.java:433)
~[jersey-server-2.6.jar:na]
        at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:265) ~[jersey-server-2.6.jar:na]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) ~[jersey-common-2.6.jar:na]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) ~[jersey-common-2.6.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:315) ~[jersey-common-2.6.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:297) ~[jersey-common-2.6.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:267) ~[jersey-common-2.6.jar:na]
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:319)
~[jersey-common-2.6.jar:na]
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:236) ~[jersey-server-2.6.jar:na]
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1028)
~[jersey-server-2.6.jar:na]
        at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:373) ~[jersey-container-servlet-core-2.6.jar:na]
        ... 26 common frames omitted
Caused by: java.lang.OutOfMemoryError: Java heap space

Here are my GRADLE_OPTS: -Xms1024m -Xmx1024m -XX:MaxPermSize=256m -Xdebug -Xrunjdwp:transport=dt_socket,address=9999,server=y,suspend=n

And my csv file hardly contains 2 lines of data. Not sure what is causing OOM here? Is there
some problem with the latest code I have taken or am I missing something here?




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