Hi Jun,
Thanks for you help. Finally, I found the reason by enabling producer side
DEBUG info output. The snappy jar is not included in the classpath. Added
it and it worked.
Thanks again.
On Fri, Aug 30, 2013 at 12:53 PM, Lu Xuechao <lux...@gmail.com> wrote:
> No.
>
>
> On Fri, Aug 30, 2013 at 11:57 AM, Jun Rao <jun...@gmail.com> wrote:
>
>> 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
>> > > > >>
>> > > > >>
>> > > > >
>> > > >
>> > >
>> >
>>
>
>
