[
https://issues.apache.org/jira/browse/KAFKA-972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ashish K Singh updated KAFKA-972:
---------------------------------
Attachment: KAFKA-972_2015-07-01_01:36:56.patch
> MetadataRequest returns stale list of brokers
> ---------------------------------------------
>
> Key: KAFKA-972
> URL: https://issues.apache.org/jira/browse/KAFKA-972
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8.0
> Reporter: Vinicius Carvalho
> Assignee: Ashish K Singh
> Attachments: BrokerMetadataTest.scala, KAFKA-972.patch,
> KAFKA-972_2015-06-30_18:42:13.patch, KAFKA-972_2015-07-01_01:36:56.patch
>
>
> When we issue an metadatarequest towards the cluster, the list of brokers is
> stale. I mean, even when a broker is down, it's returned back to the client.
> The following are examples of two invocations one with both brokers online
> and the second with a broker down:
> {
> "brokers": [
> {
> "nodeId": 0,
> "host": "10.139.245.106",
> "port": 9092,
> "byteLength": 24
> },
> {
> "nodeId": 1,
> "host": "localhost",
> "port": 9093,
> "byteLength": 19
> }
> ],
> "topicMetadata": [
> {
> "topicErrorCode": 0,
> "topicName": "foozbar",
> "partitions": [
> {
> "replicas": [
> 0
> ],
> "isr": [
> 0
> ],
> "partitionErrorCode": 0,
> "partitionId": 0,
> "leader": 0,
> "byteLength": 26
> },
> {
> "replicas": [
> 1
> ],
> "isr": [
> 1
> ],
> "partitionErrorCode": 0,
> "partitionId": 1,
> "leader": 1,
> "byteLength": 26
> },
> {
> "replicas": [
> 0
> ],
> "isr": [
> 0
> ],
> "partitionErrorCode": 0,
> "partitionId": 2,
> "leader": 0,
> "byteLength": 26
> },
> {
> "replicas": [
> 1
> ],
> "isr": [
> 1
> ],
> "partitionErrorCode": 0,
> "partitionId": 3,
> "leader": 1,
> "byteLength": 26
> },
> {
> "replicas": [
> 0
> ],
> "isr": [
> 0
> ],
> "partitionErrorCode": 0,
> "partitionId": 4,
> "leader": 0,
> "byteLength": 26
> }
> ],
> "byteLength": 145
> }
> ],
> "responseSize": 200,
> "correlationId": -1000
> }
> {
> "brokers": [
> {
> "nodeId": 0,
> "host": "10.139.245.106",
> "port": 9092,
> "byteLength": 24
> },
> {
> "nodeId": 1,
> "host": "localhost",
> "port": 9093,
> "byteLength": 19
> }
> ],
> "topicMetadata": [
> {
> "topicErrorCode": 0,
> "topicName": "foozbar",
> "partitions": [
> {
> "replicas": [
> 0
> ],
> "isr": [],
> "partitionErrorCode": 5,
> "partitionId": 0,
> "leader": -1,
> "byteLength": 22
> },
> {
> "replicas": [
> 1
> ],
> "isr": [
> 1
> ],
> "partitionErrorCode": 0,
> "partitionId": 1,
> "leader": 1,
> "byteLength": 26
> },
> {
> "replicas": [
> 0
> ],
> "isr": [],
> "partitionErrorCode": 5,
> "partitionId": 2,
> "leader": -1,
> "byteLength": 22
> },
> {
> "replicas": [
> 1
> ],
> "isr": [
> 1
> ],
> "partitionErrorCode": 0,
> "partitionId": 3,
> "leader": 1,
> "byteLength": 26
> },
> {
> "replicas": [
> 0
> ],
> "isr": [],
> "partitionErrorCode": 5,
> "partitionId": 4,
> "leader": -1,
> "byteLength": 22
> }
> ],
> "byteLength": 133
> }
> ],
> "responseSize": 188,
> "correlationId": -1000
> }
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