These are the metadata requests. Do you see Producer requests from your
client?
Thanks,
Jun
On Thu, Aug 29, 2013 at 5:40 PM, Lu Xuechao <lux...@gmail.com> wrote:
> After I sent 1,000 compressed events, I saw these messages in broker's log
> files:
>
> in kafka-request.log
>
> [2013-08-30 08:38:18,713] TRACE Processor 6 received request : Name:
> TopicMetadataRequest; Version: 0; CorrelationId: 0; ClientId: ; Topics:
> topic1 (kafka.network.RequestChannel$)
> [2013-08-30 08:38:18,718] TRACE Completed request:Name:
> TopicMetadataRequest; Version: 0; CorrelationId: 0; ClientId: ; Topics:
> topic1 from client
> /127.0.0.1:64238
> ;totalTime:5,queueTime:3,localTime:1,remoteTime:0,sendTime:1
> (kafka.request.logger)
>
>
> in server.log
>
> [2013-08-30 08:38:18,759] INFO Closing socket connection to /127.0.0.1.
> (kafka.network.Processor)
>
>
> any ideas? Thanks.
>
>
> On Thu, Aug 29, 2013 at 10:28 PM, Jun Rao <jun...@gmail.com> wrote:
>
> > Did you see any error in the producer log? Did the broker receive the
> > produce request (you can look at the request log in the broker)?
> >
> > Thanks,
> >
> > Jun
> >
> >
> > On Thu, Aug 29, 2013 at 6:29 AM, Lu Xuechao <lux...@gmail.com> wrote:
> >
> > > Let me post my test code here. I could see producer.send(data);
> returned
> > > with no error.
> > >
> > > public class TestProducer extends Thread {
> > > private final Producer<String, String> producer;
> > >
> > > private final int m_events;
> > > private final int m_threadNumber;
> > >
> > > private static String msg = StringUtils.rightPad("", 1000, '*');
> > >
> > > public TestProducer(int threadNumber, int events) {
> > > m_threadNumber = threadNumber;
> > > m_events = events;
> > >
> > > Properties props = new Properties();
> > > props.put("serializer.class",
> > KafkaProperties.p_serializer_class);
> > > props.put("metadata.broker.list",
> > > KafkaProperties.p_metadata_broker_list);
> > > props.put("partitioner.class",
> > > KafkaProperties.p_partitioner_class);
> > > props.put("queue.enqueue.timeout.ms",
> > > KafkaProperties.p_queue_enqueue_timeout);
> > > props.put("request.required.acks",
> > > KafkaProperties.p_request_required_acks);
> > > props.put("producer.type", KafkaProperties.p_producer_type);
> > >
> > > props.put("batch.num.messages", KafkaProperties.p_batch_num);
> > >
> > > props.put("compression.codec",
> > > KafkaProperties.p_compression_codec);
> > >
> > > ProducerConfig config = new ProducerConfig(props);
> > > producer = new Producer<String, String>(config);
> > > }
> > >
> > > @Override
> > > public void run() {
> > > long start;
> > > long num = 0;
> > > System.out.println(new Date() + " - Message sent thread " +
> > > m_threadNumber + " started.");
> > > while (true) {
> > > start = System.currentTimeMillis();
> > > String messageStr = new String(num + "_" + start);
> > > KeyedMessage<String, String> data = new
> KeyedMessage<String,
> > > String>(KafkaProperties.topic, messageStr,
> > > start + "_" + msg);
> > > producer.send(data);
> > > num++;
> > > if (num == m_events) {
> > > break;
> > > }
> > > }
> > > producer.close();
> > > System.out.println(new Date() + " - Message sent thread " +
> > > m_threadNumber + " end. " + num
> > > + " messages sent.");
> > > }
> > > }
> > >
> > >
> > > public interface KafkaProperties {
> > > final static String zookeeper_connect = "127.0.0.1:2181";
> > > final static String group_id = "group1";
> > > final static String topic = "topic1";
> > >
> > > final static String p_serializer_class =
> > > "kafka.serializer.StringEncoder";
> > > final static String p_metadata_broker_list = "127.0.0.1:9092";
> > > final static String p_partitioner_class =
> > > "kafka.producer.DefaultPartitioner";
> > >
> > > final static String p_queue_enqueue_timeout = "-1";
> > > final static String p_request_required_acks = "1";
> > > final static String p_producer_type = "async";
> > > final static String p_batch_num = "100";
> > > final static String p_compression_codec = "1";
> > > final static String p_message_send_retries = "3";
> > > final static String p_retry_backoff_ms = "200";
> > > final static String p_topic_metadata_refresh = "600000";
> > > }
> > >
> > >
> > > On Thu, Aug 29, 2013 at 9:24 PM, Lu Xuechao <lux...@gmail.com> wrote:
> > >
> > > > Thanks Paul. Yes, I am using 0.8 beta1. I followed your suggestion
> to
> > > set
> > > > request.required.acks=1 and got the same result. No error message
> seen
> > in
> > > > broker logs, the size of the partition files were after sending
> > 1,000,000
> > > > events, the size of each event was 1KB :
> > > >
> > > > 00000000000000000000.index 10240 KB
> > > > 00000000000000000000.log 0KB
> > > >
> > > > The broker configurations:
> > > >
> > > > num.partitions=5
> > > > log.flush.interval.messages=20000
> > > > log.flush.interval.ms=5000
> > > >
> > > > log.flush.scheduler.interval.ms=1000
> > > > log.retention.hours=1
> > > > log.segment.bytes=1073741824
> > > > log.cleanup.interval.mins=30
> > > >
> > > > queued.max.requests=16
> > > > fetch.purgatory.purge.interval.requests=100
> > > > producer.purgatory.purge.interval.requests=100
> > > >
> > > > It works if I change the code to props.put("compression.codec", "0");
> > > >
> > > > thanks,
> > > > xlu
> > > >
> > > > On Thu, Aug 29, 2013 at 6:48 PM, Paul Mackles <pmack...@adobe.com>
> > > wrote:
> > > >
> > > >> I assume this is kafka 0.8, right? Are there any corresponding
> errors
> > in
> > > >> the broker logs? With the configuration below, I don't think any
> > errors
> > > >> will be reported back to the producer.
> > > >>
> > > >> You could also try setting erquest.required.acks=1 to see if errors
> > are
> > > >> reported back to the client.
> > > >>
> > > >> On 8/29/13 4:40 AM, "Lu Xuechao" <lux...@gmail.com> wrote:
> > > >>
> > > >> >Hi ,
> > > >> >
> > > >> >I am trying to enable gzip compression for my events. But after I
> > > >> switched
> > > >> >compression.codec to "1" I found the produced events were even not
> be
> > > >> >persisted to disk log file. Of course, the consumer could not
> receive
> > > any
> > > >> >compressed events. I sent 10,000 or more events but the broker's
> log
> > > file
> > > >> >not changed. Seems no events were actually send to broker? Below is
> > my
> > > >> >producer's code:
> > > >> >
> > > >> > Properties props = new Properties();
> > > >> > props.put("serializer.class",
> > > "kafka.serializer.StringEncoder");
> > > >> > props.put("metadata.broker.list", "127.0.0.1:9092");
> > > >> > props.put("partitioner.class",
> > > >> >"kafka.producer.DefaultPartitioner");
> > > >> > props.put("queue.enqueue.timeout.ms", "-1");
> > > >> > props.put("request.required.acks", "0");
> > > >> > props.put("producer.type", "async");
> > > >> >
> > > >> > props.put("batch.num.messages", "100");
> > > >> >
> > > >> > props.put("compression.codec", "1");
> > > >> >
> > > >> > ProducerConfig config = new ProducerConfig(props);
> > > >> > producer = new Producer<String, String>(config);
> > > >> >
> > > >> > KeyedMessage<String, String> data = new
> KeyedMessage<String,
> > > >> >String>("topic1", messageStr, msg);
> > > >> > producer.send(data);
> > > >> >
> > > >> >
> > > >> >If I comment out this line of code : props.put("compression.codec",
> > > "1");
> > > >> >then everything works fine. Did I miss something?
> > > >> >
> > > >> >thanks,
> > > >> >xlu
> > > >>
> > > >>
> > > >
> > >
> >
>
