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https://issues.apache.org/jira/browse/FLINK-27320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martijn Visser closed FLINK-27320.
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Resolution: Done
> When using KafkaSink EXACTLY_ONCE semantics, frequent
> OutOfOrderSequenceException anomalies
> -------------------------------------------------------------------------------------------
>
> Key: FLINK-27320
> URL: https://issues.apache.org/jira/browse/FLINK-27320
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka
> Affects Versions: 1.14.4
> Reporter: Zhengqi Zhang
> Priority: Major
> Attachments: image-2022-04-20-17-48-37-149.png,
> image-2022-04-20-17-49-15-143.png
>
>
> This problem does not occur when using EXACTLY_ONCE semantics in
> FlinkKafkaProducer, but occurs frequently when using KafkaSink.
> !image-2022-04-20-17-48-37-149.png|width=573,height=220!
> !image-2022-04-20-17-49-15-143.png|width=818,height=469!
> This is ProducerConfig when using KafkaSink:
> {code:java}
> acks = 1
> batch.size = 16384
> bootstrap.servers = [localhost:9092]
> buffer.memory = 33554432
> client.dns.lookup = default
> client.id =
> compression.type = none
> connections.max.idle.ms = 540000
> delivery.timeout.ms = 120000
> enable.idempotence = false
> interceptor.classes = []
> key.serializer = class
> org.apache.kafka.common.serialization.ByteArraySerializer
> linger.ms = 0
> max.block.ms = 60000
> max.in.flight.requests.per.connection = 5
> max.request.size = 1048576
> 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.client.callback.handler.class = null
> 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.login.callback.handler.class = null
> sasl.login.class = null
> sasl.login.refresh.buffer.seconds = 300
> sasl.login.refresh.min.period.seconds = 60
> sasl.login.refresh.window.factor = 0.8
> sasl.login.refresh.window.jitter = 0.05
> sasl.mechanism = GSSAPI
> security.protocol = PLAINTEXT
> security.providers = null
> send.buffer.bytes = 131072
> ssl.cipher.suites = null
> ssl.enabled.protocols = [TLSv1.2, TLSv1.1, TLSv1]
> ssl.endpoint.identification.algorithm = https
> ssl.key.password = null
> ssl.keymanager.algorithm = SunX509
> 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 = 300000
> transactional.id = kafka-sink-0-36
> value.serializer = class
> org.apache.kafka.common.serialization.ByteArraySerializer{code}
> This is ProducerConfig when using FlinkKafkaProducer:
>
> {code:java}
> acks = 1
> batch.size = 16384
> bootstrap.servers = [localhost:9092]
> buffer.memory = 33554432
> client.dns.lookup = default
> client.id =
> compression.type = none
> connections.max.idle.ms = 540000
> delivery.timeout.ms = 120000
> enable.idempotence = false
> interceptor.classes = []
> key.serializer = class
> org.apache.kafka.common.serialization.ByteArraySerializer
> linger.ms = 0
> max.block.ms = 60000
> max.in.flight.requests.per.connection = 5
> max.request.size = 1048576
> 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.client.callback.handler.class = null
> 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.login.callback.handler.class = null
> sasl.login.class = null
> sasl.login.refresh.buffer.seconds = 300
> sasl.login.refresh.min.period.seconds = 60
> sasl.login.refresh.window.factor = 0.8
> sasl.login.refresh.window.jitter = 0.05
> sasl.mechanism = GSSAPI
> security.protocol = PLAINTEXT
> security.providers = null
> send.buffer.bytes = 131072
> ssl.cipher.suites = null
> ssl.enabled.protocols = [TLSv1.2, TLSv1.1, TLSv1]
> ssl.endpoint.identification.algorithm = https
> ssl.key.password = null
> ssl.keymanager.algorithm = SunX509
> 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 = 300000
> transactional.id = Sink: Unnamed-0a448493b4782967b150582570326227-2
> value.serializer = class
> org.apache.kafka.common.serialization.ByteArraySerializer{code}
>
>
>
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