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From "Alex Dunayevsky (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-6221) ReplicaFetcherThread throws UnknownTopicOrPartitionExeption on topic creation
Date Thu, 16 Nov 2017 10:07:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-6221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alex Dunayevsky updated KAFKA-6221:
-----------------------------------
    Description: 
This issue appeared to happen frequently on 0.10.2.0. 
On 0.10.2.1 it's a way harder to reproduce. 
We'll focus on reproducing it on 0.10.2.1.

*TOPOLOGY:* 
  3 brokers, 1 zk.

*REPRODUCING STRATEGY:* 
Create a few dozens topics (say, 40) one by one, each with replication factor 2. Number of
partitions, generally, does not matter but, for easier reproduction, should not be too small
(around 30 or so). 

*CREATE 40 TOPICS (PARTITIONS: 28, REPLICATION FACTOR: 2):*
{code:java} for i in {1..40}; do bin/kafka-topics.sh --create --topic "topic${i}_p28_r2" --partitions
28 --replication-factor 2 --zookeeper :2165; done {code}

*ERRORS*
{code:java}
*BROKER 1*
[2017-11-15 16:46:00,853] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,27]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,853] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,27]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,9]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,9]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,3]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,3]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,15]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,15]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,21]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,21]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)

*BROKER 2*
[2017-11-15 16:46:36,408] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,12]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,408] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,12]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,0]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,0]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,6]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,6]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,24]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,24]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,18]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,18]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)

*BROKER 3*
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,16]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,16]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,10]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,10]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,4]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,4]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,22]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,22]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)

{code}


*RESULTS:*
As you can see, the problem occurs on 
* partitions [3,9,15,21,27] of topic `{{topic1_p28_r2}}`
* partitions [0,6,12,18,14] of topic `{{topic20_p28_r2}}`
* partitions [4,10,16,22] of `{{topic30_p28_r2}}`

Partitions are either odd or even.
Every "unlucky" partition, except the starting one, for each topic, appears to be the 6th
in the row. For instance: 
* 3, 9(3+6), 15(3+6+6), ...
* 0, 6(0+6), 12(0+6+6), ...
* 4, ...

  was:
This issue appeared to happen frequently on 0.10.2.0. 
On 0.10.2.1 it's a way harder to reproduce. 
We'll focus on reproducing it on 0.10.2.1.

*TOPOLOGY:* 
  3 brokers, 1 zk.

*REPRODUCING STRATEGY:* 
Create a few dozens topics (say, 40) one by one, each with replication factor 2. Number of
partitions, generally, does not matter but, for easier reproduction, should not be too small
(around 30 or so). 

*CREATE 40 TOPICS:*
{code:java} for i in {1..40}; do bin/kafka-topics.sh --create --topic "topic${i}_p28_r2" --partitions
28 --replication-factor 2 --zookeeper :2165; done {code}

*ERRORS*
{code:java}
*BROKER 1*
[2017-11-15 16:46:00,853] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,27]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,853] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,27]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,9]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,9]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,3]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,3]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,15]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,15]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,21]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,21]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)

*BROKER 2*
[2017-11-15 16:46:36,408] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,12]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,408] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,12]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,0]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,0]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,6]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,6]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,24]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,24]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,18]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,18]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)

*BROKER 3*
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,16]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,16]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,10]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,10]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,4]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,4]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,22]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
[2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,22]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)

{code}


*RESULTS:*
As you can see, the problem occurs on 
* partitions [3,9,15,21,27] of topic `{{topic1_p28_r2}}`
* partitions [0,6,12,18,14] of topic `{{topic20_p28_r2}}`
* partitions [4,10,16,22] of `{{topic30_p28_r2}}`

Partitions are either odd or even.
Every "unlucky" partition, except the starting one, for each topic, appears to be the 6th
in the row. For instance: 
* 3, 9(3+6), 15(3+6+6), ...
* 0, 6(0+6), 12(0+6+6), ...
* 4, ...


> ReplicaFetcherThread throws UnknownTopicOrPartitionExeption on topic creation 
> ------------------------------------------------------------------------------
>
>                 Key: KAFKA-6221
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6221
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.10.2.0, 0.10.2.1
>         Environment: RHEL 7
>            Reporter: Alex Dunayevsky
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> This issue appeared to happen frequently on 0.10.2.0. 
> On 0.10.2.1 it's a way harder to reproduce. 
> We'll focus on reproducing it on 0.10.2.1.
> *TOPOLOGY:* 
>   3 brokers, 1 zk.
> *REPRODUCING STRATEGY:* 
> Create a few dozens topics (say, 40) one by one, each with replication factor 2. Number
of partitions, generally, does not matter but, for easier reproduction, should not be too
small (around 30 or so). 
> *CREATE 40 TOPICS (PARTITIONS: 28, REPLICATION FACTOR: 2):*
> {code:java} for i in {1..40}; do bin/kafka-topics.sh --create --topic "topic${i}_p28_r2"
--partitions 28 --replication-factor 2 --zookeeper :2165; done {code}
> *ERRORS*
> {code:java}
> *BROKER 1*
> [2017-11-15 16:46:00,853] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,27]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,853] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,27]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,9]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,9]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,3]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,3]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,15]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,15]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,21]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:00,854] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic1_p28_r2,21]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> *BROKER 2*
> [2017-11-15 16:46:36,408] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,12]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,408] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,12]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,0]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,0]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,6]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,6]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,24]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,24]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,18]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:46:36,410] ERROR [ReplicaFetcherThread-0-3], Error for partition [topic20_p28_r2,18]
to broker 3:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> *BROKER 3*
> [2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,16]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,16]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,10]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,10]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,4]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,4]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,22]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> [2017-11-15 16:47:00,393] ERROR [ReplicaFetcherThread-0-2], Error for partition [topic30_p28_r2,22]
to broker 2:org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does
not host this topic-partition. (kafka.server.ReplicaFetcherThread)
> {code}
> *RESULTS:*
> As you can see, the problem occurs on 
> * partitions [3,9,15,21,27] of topic `{{topic1_p28_r2}}`
> * partitions [0,6,12,18,14] of topic `{{topic20_p28_r2}}`
> * partitions [4,10,16,22] of `{{topic30_p28_r2}}`
> Partitions are either odd or even.
> Every "unlucky" partition, except the starting one, for each topic, appears to be the
6th in the row. For instance: 
> * 3, 9(3+6), 15(3+6+6), ...
> * 0, 6(0+6), 12(0+6+6), ...
> * 4, ...



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