Di Shang created KAFKA-6706:
-------------------------------

             Summary: NETWORK_EXCEPTION and REQUEST_TIMED_OUT in mirrormaker 
producer after 1.0 broker upgrade
                 Key: KAFKA-6706
                 URL: https://issues.apache.org/jira/browse/KAFKA-6706
             Project: Kafka
          Issue Type: Bug
          Components: core, network
    Affects Versions: 1.0.0
            Reporter: Di Shang


We have 2 clusters A and B with 4 brokers each, we use mirrormaker to replicate 
topics from A to B. 
 We recently upgraded our brokers from 0.10.2.0 to 1.0.0, after the upgrade we 
started seeing the mirrormaker task showing producer errors and intermittently 
dying. 
 We tried using 1.0.0 and 0.10.2.0 mirrormaker, both have the same problem. 
Downgrading cluster B brokers back to 0.10.2.0 and the problem went away, so we 
think it's a server side problem.

There are 2 types of errors: REQUEST_TIMED_OUT and NETWORK_EXCEPTION. For 
testing, I used a topic *logging* with 20 partitions and 3 replicas (same on 
cluster A and B), the source topic has 50+ million msg.

(this is from mirrormaker 1.0 at info level, the 0.10.2.0 log is very similar)
{noformat}
22 Mar 2018 02:16:07.407 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 35122 on 
topic-partition logging-7, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:17:49.731 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 51572 on 
topic-partition logging-7, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:18:33.903 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 57785 on 
topic-partition logging-5, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:21:21.399 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 85406 on 
topic-partition logging-18, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:25:22.278 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 128047 on 
topic-partition logging-5, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:26:17.154 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 137049 on 
topic-partition logging-18, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:27:57.358 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 153976 on 
topic-partition logging-5, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:27:57.779 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 154077 on 
topic-partition logging-2, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
 22 Mar 2018 02:27:57.780 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 154077 on 
topic-partition logging-10, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
 22 Mar 2018 02:27:57.780 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 154077 on 
topic-partition logging-18, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
 22 Mar 2018 02:27:57.781 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 154077 on 
topic-partition logging-14, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
 22 Mar 2018 02:27:57.781 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 154077 on 
topic-partition logging-6, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
 22 Mar 2018 02:29:12.378 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 163175 on 
topic-partition logging-18, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:31:47.067 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 192333 on 
topic-partition logging-17, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:32:26.198 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 195400 on 
topic-partition logging-18, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:33:16.280 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 206708 on 
topic-partition logging-18, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 02:33:46.428 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 206830 on 
topic-partition logging-18, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 12:53:50.848 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 734439 on 
topic-partition logging-3, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT
 22 Mar 2018 16:21:45.557 [kafka-producer-network-thread | producer-1] WARN 
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 941307 on 
topic-partition logging-6, retrying (2147483646 attempts left). Error: 
REQUEST_TIMED_OUT{noformat}
The NETWORK_EXCEPTION always comes in group of 5 with partition leaders on the 
same broker (there are 5 partition leader/broker). 
 The REQUEST_TIMED_OUT seems to be from random individual partition.

I turned on trace and it showed how the NETWORK_EXCEPTION is causing the task 
to die.
 (I filtered out the important lines in this log segment)
{noformat}
22 Mar 2018 02:06:20.154 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.NetworkClient trace(line:135) [Producer 
clientId=producer-1] Completed receive from node 44 for PRODUCE with 
correlation id 71596, received 
{responses=[{topic=logging,partition_responses=[{partition=17,error_code=0,base_offset=28466678,log_append_time=-1,log_start_offset=24408600},{partition=1,error_code=0,base_offset=11611076,log_append_time=-1,log_start_offset=7562939},{partition=5,error_code=0,base_offset=28467700,log_append_time=-1,log_start_offset=24416182},{partition=9,error_code=0,base_offset=32762076,log_append_time=-1,log_start_offset=30108807},{partition=13,error_code=0,base_offset=11612712,log_append_time=-1,log_start_offset=7564490}]}],throttle_time_ms=0}
22 Mar 2018 02:06:20.154 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.Sender trace(line:129) [Producer 
clientId=producer-1] Received produce response from node 44 with correlation id 
71596
22 Mar 2018 02:06:20.154 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.ProducerBatch done(line:171) 
Successfully produced messages to logging-9 with base offset 32762076.
22 Mar 2018 02:06:20.154 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.ProducerBatch done(line:171) 
Successfully produced messages to logging-13 with base offset 11612712.
22 Mar 2018 02:06:20.154 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.ProducerBatch done(line:171) 
Successfully produced messages to logging-17 with base offset 28466678.
22 Mar 2018 02:06:20.155 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.ProducerBatch done(line:171) 
Successfully produced messages to logging-1 with base offset 11611076.
22 Mar 2018 02:06:20.155 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.ProducerBatch done(line:171) 
Successfully produced messages to logging-5 with base offset 28467700.
22 Mar 2018 02:06:20.155 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.Sender trace(line:123) [Producer 
clientId=producer-1] Nodes with data ready to send: [broker44:9020 (id: 44 
rack: null)]
22 Mar 2018 02:06:20.155 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.NetworkClient trace(line:135) [Producer 
clientId=producer-1] Sending PRODUCE 
{acks=-1,timeout=30000,partitionSizes=[logging-1=647,logging-9=645,logging-5=647,logging-13=645]}
 with correlation id 71599 to node 44
22 Mar 2018 02:06:20.155 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.Sender trace(line:129) [Producer 
clientId=producer-1] Sent produce request to 44: (type=ProduceRequest, acks=-1, 
timeout=30000, partitionRecords=({logging-1=[(record=DefaultRecord(offset=0, 
timestamp=1521353381705, key=0 bytes, value=1048 bytes))], 
logging-9=[(record=DefaultRecord(offset=0, timestamp=1521353381983, key=0 
bytes, value=1048 bytes))], logging-5=[(record=DefaultRecord(offset=0, 
timestamp=1521353380881, key=0 bytes, value=1048 bytes))], 
logging-13=[(record=DefaultRecord(offset=0, timestamp=1521353381288, key=0 
bytes, value=1048 bytes))]}), transactionalId=''
22 Mar 2018 02:06:20.156 [mirrormaker-thread-0] TRACE 
org.apache.kafka.clients.producer.KafkaProducer trace(line:135) [Producer 
clientId=producer-1] Sending record ProducerRecord(topic=logging, 
partition=null, headers=RecordHeaders(headers = [], isReadOnly = true), 
key=null, value=[B@cf56dcea, timestamp=1521353382731) with callback 
kafka.tools.MirrorMaker$MirrorMakerProducerCallback@e7d47b69 to topic logging 
partition 17
22 Mar 2018 02:06:20.156 [mirrormaker-thread-0] TRACE 
org.apache.kafka.clients.producer.internals.RecordAccumulator trace(line:135) 
[Producer clientId=producer-1] Allocating a new 16384 byte message buffer for 
topic logging partition 17
22 Mar 2018 02:06:20.156 [mirrormaker-thread-0] TRACE 
org.apache.kafka.clients.producer.KafkaProducer trace(line:129) [Producer 
clientId=producer-1] Waking up the sender since topic logging partition 17 is 
either full or getting a new batch
22 Mar 2018 02:06:20.164 [mirrormaker-thread-0] TRACE 
org.apache.kafka.clients.producer.KafkaProducer trace(line:135) [Producer 
clientId=producer-1] Sending record ProducerRecord(topic=logging, 
partition=null, headers=RecordHeaders(headers = [], isReadOnly = true), 
key=null, value=[B@d6e47439, timestamp=1521353385041) with callback 
kafka.tools.MirrorMaker$MirrorMakerProducerCallback@60717e86 to topic logging 
partition 17
22 Mar 2018 02:06:20.172 [mirrormaker-thread-0] TRACE 
org.apache.kafka.clients.producer.KafkaProducer trace(line:135) [Producer 
clientId=producer-1] Sending record ProducerRecord(topic=logging, 
partition=null, headers=RecordHeaders(headers = [], isReadOnly = true), 
key=null, value=[B@613a02ed, timestamp=1521353387109) with callback 
kafka.tools.MirrorMaker$MirrorMakerProducerCallback@563a082b to topic logging 
partition 17
...
30s later (request.timeout.ms=30000)
...
22 Mar 2018 02:06:50.156 [kafka-producer-network-thread | producer-1] DEBUG 
org.apache.kafka.clients.NetworkClient debug(line:183) [Producer 
clientId=producer-1] Disconnecting from node 44 due to request timeout.
22 Mar 2018 02:06:50.156 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.NetworkClient trace(line:135) [Producer 
clientId=producer-1] Cancelled request 
{acks=-1,timeout=30000,partitionSizes=[logging-1=647,logging-9=645,logging-5=647,logging-13=645]}
 with correlation id 71599 due to node 44 being disconnected
22 Mar 2018 02:06:50.156 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.Sender trace(line:129) [Producer 
clientId=producer-1] Cancelled request with header 
RequestHeader(apiKey=PRODUCE, apiVersion=5, clientId=producer-1, 
correlationId=71599) due to node 44 being disconnected
22 Mar 2018 02:06:50.156 [kafka-producer-network-thread | producer-1] WARN  
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 71599 on 
topic-partition logging-1, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
22 Mar 2018 02:06:50.157 [kafka-producer-network-thread | producer-1] WARN  
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 71599 on 
topic-partition logging-9, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
22 Mar 2018 02:06:50.157 [kafka-producer-network-thread | producer-1] WARN  
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 71599 on 
topic-partition logging-5, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
22 Mar 2018 02:06:50.157 [kafka-producer-network-thread | producer-1] WARN  
org.apache.kafka.clients.producer.internals.Sender warn(line:251) [Producer 
clientId=producer-1] Got error produce response with correlation id 71599 on 
topic-partition logging-13, retrying (2147483646 attempts left). Error: 
NETWORK_EXCEPTION
22 Mar 2018 02:06:50.157 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.Sender trace(line:123) [Producer 
clientId=producer-1] Expired 1 batches in accumulator
22 Mar 2018 02:06:50.157 [kafka-producer-network-thread | producer-1] TRACE 
org.apache.kafka.clients.producer.internals.ProducerBatch done(line:174) Failed 
to produce messages to logging-17.
org.apache.kafka.common.errors.TimeoutException: Expiring 25 record(s) for 
logging-17: 30001 ms has passed since batch creation plus linger time
22 Mar 2018 02:06:50.162 [kafka-producer-network-thread | producer-1] ERROR 
org.apache.kafka.clients.producer.internals.ErrorLoggingCallback 
onCompletion(line:52) Error when sending message to topic logging with key: 
null, value: 1047 bytes with error:
org.apache.kafka.common.errors.TimeoutException: Expiring 25 record(s) for 
logging-17: 30001 ms has passed since batch creation plus linger time
22 Mar 2018 02:06:50.162 [kafka-producer-network-thread | producer-1] INFO  
kafka.tools.MirrorMaker$ info(line:72) Closing producer due to send failure.
22 Mar 2018 02:06:50.163 [kafka-producer-network-thread | producer-1] INFO  
org.apache.kafka.clients.producer.KafkaProducer info(line:341) [Producer 
clientId=producer-1] Closing the Kafka producer with timeoutMillis = 0 ms.
22 Mar 2018 02:06:50.163 [kafka-producer-network-thread | producer-1] INFO  
org.apache.kafka.clients.producer.KafkaProducer info(line:341) [Producer 
clientId=producer-1] Proceeding to force close the producer since pending 
requests could not be completed within timeout 0 ms.
22 Mar 2018 02:06:50.164 [kafka-producer-network-thread | producer-1] DEBUG 
org.apache.kafka.clients.producer.KafkaProducer debug(line:177) [Producer 
clientId=producer-1] Kafka producer has been closed
{noformat}
 The first few lines shows that the producer just received a response from its 
previous produce request to broker 44 with partitions \{1,5,9,13,17} (leaders). 
 The next produce request it sent only contained batches for partitions 
\{1,5,9,13}, however 1ms later new data arrived for partition 17 but since it 
missed the current request to that broker it had to sit in the producer and 
wait for the next send round. 
 Somehow the produce request for \{1,5,9,13} never got a response and timed 
out. Normally these batches can be retried and mirrormaker will keep working, 
however because of the leftover batch for partition 17 expired, mirrormaker 
detected data loss and will shutdown.

So I think the root problem here is that the server intermittently times out 
for the produce request after upgrading to 1.0. 
 In the lucky case where all batches can be retried (they seem to always 
succeed on the first retry anyway), it can randomly introduce 30s of latency to 
data replication, and if unlucky a batch get left out and expires, the task 
immediately dies. 
 We observed that this usually happens under high load (I can reliably recreate 
the errors by restarting the task with a new consumer group id and 
auto.offset.reset=earliest so it got 50 mil msg to mirror)

Increasing producer linger.ms and batch.size seems to some degree reduce the 
error rate under same heavy workload.

I tried to enable trace on the server but all I see are logs (massive) from 
ReplicaFetcher and lines like this:
{noformat}
Bytes written as part of multi-send call: 2431, total bytes written so far: 
2431, expected bytes to write: 2431{noformat}
Is there any log on the server side that can be correlated to the producer 
request and help debugging this?
 Also I still got no idea what the REQUEST_TIMED_OUT meant and what's causing 
it.

This is the trace log config I tried to use on the server but couldn't see 
anything useful:
{noformat}
 rootLogger.level=trace
 appender.console.type=Console
 appender.console.name=STDOUT
 rootLogger.appenderRef.stdout.ref=STDOUT{noformat}
 

Here's the mirrormaker producer config:
{noformat}
        acks = all
        batch.size = 16384
        bootstrap.servers = [...]
        buffer.memory = 33554432
        client.id = 
        compression.type = gzip
        connections.max.idle.ms = 540000
        enable.idempotence = false
        interceptor.classes = null
        key.serializer = class 
org.apache.kafka.common.serialization.ByteArraySerializer
        linger.ms = 0
        max.block.ms = 9223372036854775807
        max.in.flight.requests.per.connection = 1
        max.request.size = 2097152
        metadata.max.age.ms = 300000
        metric.reporters = []
        metrics.num.samples = 2
        metrics.recording.level = INFO
        metrics.sample.window.ms = 30000
        partitioner.class = class 
org.apache.kafka.clients.producer.internals.DefaultPartitioner
        receive.buffer.bytes = 32768
        reconnect.backoff.max.ms = 1000
        reconnect.backoff.ms = 50
        request.timeout.ms = 30000
        retries = 2147483647
        retry.backoff.ms = 100
        sasl.jaas.config = null
        sasl.kerberos.kinit.cmd = /usr/bin/kinit
        sasl.kerberos.min.time.before.relogin = 60000
        sasl.kerberos.service.name = null
        sasl.kerberos.ticket.renew.jitter = 0.05
        sasl.kerberos.ticket.renew.window.factor = 0.8
        sasl.mechanism = GSSAPI
        security.protocol = PLAINTEXT
        send.buffer.bytes = 131072
        ssl.cipher.suites = null
        ssl.enabled.protocols = [TLSv1.2, TLSv1.1, TLSv1]
        ssl.endpoint.identification.algorithm = null
        ssl.key.password = null
        ssl.keymanager.algorithm = IbmX509
        ssl.keystore.location = null
        ssl.keystore.password = null
        ssl.keystore.type = JKS
        ssl.protocol = TLS
        ssl.provider = null
        ssl.secure.random.implementation = null
        ssl.trustmanager.algorithm = PKIX
        ssl.truststore.location = null
        ssl.truststore.password = null
        ssl.truststore.type = JKS
        transaction.timeout.ms = 60000
        transactional.id = null
        value.serializer = class 
org.apache.kafka.common.serialization.ByteArraySerializer{noformat}



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