Anyone with a pointer on this? Do transactions work reliably with Kafka perf test tools? If yes, then is there a way to make it work in this scenario?
Sincerely, Anindya Haldar Oracle Responsys > On Oct 25, 2019, at 2:51 PM, Anindya Haldar <anindya.hal...@oracle.com> wrote: > > We are evaluating Kafka for some of our use cases. As part of that effort I > am trying to run an experiment with a cluster we have set up, and using the > producer perf test tool supplied with the binaries. > > Here’s the cluster info: > > Runs in Kubernetes, with 4 CPUs, 32 GB RAM, 100 GB log space allocation for > each node. > 3 ZooKeeper nodes > 5 Kafka nodes > > Here is the topic description: > > $ bin/kafka-topics.sh --describe --bootstrap-server localhost:9092 --topic > testtopic3 > Topic:testtopic3 PartitionCount:5 ReplicationFactor:3 > Configs:min.insync.replicas=2,segment.bytes=1073741824,retention.ms > <https://urldefense.proofpoint.com/v2/url?u=https-3A__slack-2Dredir.net_link-3Furl-3Dhttp-253A-252F-252Fretention.ms&d=DwIFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=vmJiAMDGSxNeZnFztNs5ITB_i_Z3h3VtLPGma9y7cKI&m=bcvrB2WHGYyMkDxuOiAX_kDm8dM_Gnhn9co-80eQpeM&s=d9QdJSgIZN7kFfuuRJDX3gi3J8Y7uTnC7UrLSFBdasI&e= > >=3600000,flush.messages=1,unclean.leader.election.enable=false > Topic: testtopic3 Partition: 0 Leader: 1 Replicas: 1,4,2 Isr: > 1,4,2 > Topic: testtopic3 Partition: 1 Leader: 4 Replicas: 4,2,3 Isr: > 4,2,3 > Topic: testtopic3 Partition: 2 Leader: 2 Replicas: 2,3,5 Isr: > 2,3,5 > Topic: testtopic3 Partition: 3 Leader: 3 Replicas: 3,5,1 Isr: > 3,5,1 > Topic: testtopic3 Partition: 4 Leader: 5 Replicas: 5,1,4 Isr: > 5,1,4 > > > > And here is the producer test run command line and the result: > > $ bin/kafka-producer-perf-test.sh --topic testtopic3 --num-records 1000000 > --throughput -1 --record-size 256 --producer-props > bootstrap.servers=kafka-a-0.ri:9092,kafka-b-0.ri:9092,kafka-c-0.ri:9092,kafka-d-0.ri:9092,kafka-e-0.ri:9092 > acks=all batch.size=1 max.block.ms > <https://urldefense.proofpoint.com/v2/url?u=https-3A__slack-2Dredir.net_link-3Furl-3Dhttp-253A-252F-252Fmax.block.ms&d=DwIFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=vmJiAMDGSxNeZnFztNs5ITB_i_Z3h3VtLPGma9y7cKI&m=bcvrB2WHGYyMkDxuOiAX_kDm8dM_Gnhn9co-80eQpeM&s=XP3cGgt3rD1lr8r0diTLpP4FP3BwZ8spcHNDNXc3i6I&e= > >=3600000 enable.idempotence=true max.in.flight.requests.per.connection=1 > retries=3 --transaction-duration-ms 3600000 > 4100 records sent, 819.7 records/sec (0.20 MB/sec), 2572.0 ms avg latency, > 4892.0 ms max latency. > 4261 records sent, 852.0 records/sec (0.21 MB/sec), 7397.2 ms avg latency, > 9873.0 ms max latency. > 4216 records sent, 843.0 records/sec (0.21 MB/sec), 12383.7 ms avg latency, > 14849.0 ms max latency. > 4400 records sent, 879.8 records/sec (0.21 MB/sec), 17332.0 ms avg latency, > 19784.0 ms max latency. > 4354 records sent, 870.8 records/sec (0.21 MB/sec), 22349.4 ms avg latency, > 24763.0 ms max latency. > 4477 records sent, 895.4 records/sec (0.22 MB/sec), 27241.1 ms avg latency, > 29728.0 ms max latency. > 4366 records sent, 873.2 records/sec (0.21 MB/sec), 32218.3 ms avg latency, > 34703.0 ms max latency. > 4408 records sent, 881.6 records/sec (0.22 MB/sec), 37190.6 ms avg latency, > 39672.0 ms max latency. > 4159 records sent, 831.5 records/sec (0.20 MB/sec), 42135.0 ms avg latency, > 44640.0 ms max latency. > 4260 records sent, 852.0 records/sec (0.21 MB/sec), 47098.0 ms avg latency, > 49624.0 ms max latency. > 4360 records sent, 872.0 records/sec (0.21 MB/sec), 52137.1 ms avg latency, > 54574.0 ms max latency. > 4514 records sent, 902.8 records/sec (0.22 MB/sec), 57038.1 ms avg latency, > 59554.0 ms max latency. > 4273 records sent, 854.3 records/sec (0.21 MB/sec), 62001.8 ms avg latency, > 64524.0 ms max latency. > 4348 records sent, 869.6 records/sec (0.21 MB/sec), 67037.8 ms avg latency, > 69494.0 ms max latency. > 4039 records sent, 807.5 records/sec (0.20 MB/sec), 72009.8 ms avg latency, > 74481.0 ms max latency. > 4327 records sent, 865.2 records/sec (0.21 MB/sec), 76993.8 ms avg latency, > 79457.0 ms max latency. > 4307 records sent, 861.4 records/sec (0.21 MB/sec), 82011.9 ms avg latency, > 84449.0 ms max latency. > 4506 records sent, 901.0 records/sec (0.22 MB/sec), 86922.6 ms avg latency, > 89434.0 ms max latency. > 4343 records sent, 868.6 records/sec (0.21 MB/sec), 91918.8 ms avg latency, > 94394.0 ms max latency. > org.apache.kafka.common.errors.ProducerFencedException: Producer attempted an > operation with an old epoch. Either there is a newer producer with the same > transactionalId, or the producer's transaction has been expired by the broker. > Exception in thread "main" org.apache.kafka.common.KafkaException: Cannot > perform send because at least one previous transactional or idempotent > request has failed with errors. > at > org.apache.kafka.clients.producer.internals.TransactionManager.failIfNotReadyForSend(TransactionManager.java:357) > at > org.apache.kafka.clients.producer.internals.TransactionManager.maybeAddPartitionToTransaction(TransactionManager.java:341) > at > org.apache.kafka.clients.producer.KafkaProducer.doSend(KafkaProducer.java:915) > at > org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:856) > at > org.apache.kafka.tools.ProducerPerformance.main(ProducerPerformance.java:143) > Caused by: org.apache.kafka.common.errors.ProducerFencedException: Producer > attempted an operation with an old epoch. Either there is a newer producer > with the same transactionalId, or the producer's transaction has been expired > by the broker. > [2019-10-25 21:15:05,183] ERROR [Producer clientId=producer-1, > transactionalId=performance-producer-default-transactional-id] Aborting > producer batches due to fatal error > (org.apache.kafka.clients.producer.internals.Sender) > org.apache.kafka.common.errors.ProducerFencedException: Producer attempted an > operation with an old epoch. Either there is a newer producer with the same > transactionalId, or the producer's transaction has been expired by the broker. > > It does not make any difference whether I add a transaction id flag like > ‘—transactional-id mytxn’ to the command line. > > Is there something I am missing here? > > Sincerely, > Anindya Haldar > Oracle Responsys >