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Posted to commits@kafka.apache.org by ij...@apache.org on 2017/11/01 12:58:51 UTC
[11/14] kafka-site git commit: Update site for 1.0.0 release
http://git-wip-us.apache.org/repos/asf/kafka-site/blob/cb024c13/100/generated/kafka_config.html
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+<table class="data-table"><tbody>
+<tr>
+<th>Name</th>
+<th>Description</th>
+<th>Type</th>
+<th>Default</th>
+<th>Valid Values</th>
+<th>Importance</th>
+</tr>
+<tr>
+<td>zookeeper.connect</td><td>Zookeeper host string</td><td>string</td><td></td><td></td><td>high</td></tr>
+<tr>
+<td>advertised.host.name</td><td>DEPRECATED: only used when `advertised.listeners` or `listeners` are not set. Use `advertised.listeners` instead.
+Hostname to publish to ZooKeeper for clients to use. In IaaS environments, this may need to be different from the interface to which the broker binds. If this is not set, it will use the value for `host.name` if configured. Otherwise it will use the value returned from java.net.InetAddress.getCanonicalHostName().</td><td>string</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>advertised.listeners</td><td>Listeners to publish to ZooKeeper for clients to use, if different than the `listeners` config property. In IaaS environments, this may need to be different from the interface to which the broker binds. If this is not set, the value for `listeners` will be used. Unlike `listeners` it is not valid to advertise the 0.0.0.0 meta-address.</td><td>string</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>advertised.port</td><td>DEPRECATED: only used when `advertised.listeners` or `listeners` are not set. Use `advertised.listeners` instead.
+The port to publish to ZooKeeper for clients to use. In IaaS environments, this may need to be different from the port to which the broker binds. If this is not set, it will publish the same port that the broker binds to.</td><td>int</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>auto.create.topics.enable</td><td>Enable auto creation of topic on the server</td><td>boolean</td><td>true</td><td></td><td>high</td></tr>
+<tr>
+<td>auto.leader.rebalance.enable</td><td>Enables auto leader balancing. A background thread checks and triggers leader balance if required at regular intervals</td><td>boolean</td><td>true</td><td></td><td>high</td></tr>
+<tr>
+<td>background.threads</td><td>The number of threads to use for various background processing tasks</td><td>int</td><td>10</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>broker.id</td><td>The broker id for this server. If unset, a unique broker id will be generated.To avoid conflicts between zookeeper generated broker id's and user configured broker id's, generated broker ids start from reserved.broker.max.id + 1.</td><td>int</td><td>-1</td><td></td><td>high</td></tr>
+<tr>
+<td>compression.type</td><td>Specify the final compression type for a given topic. This configuration accepts the standard compression codecs ('gzip', 'snappy', 'lz4'). It additionally accepts 'uncompressed' which is equivalent to no compression; and 'producer' which means retain the original compression codec set by the producer.</td><td>string</td><td>producer</td><td></td><td>high</td></tr>
+<tr>
+<td>delete.topic.enable</td><td>Enables delete topic. Delete topic through the admin tool will have no effect if this config is turned off</td><td>boolean</td><td>true</td><td></td><td>high</td></tr>
+<tr>
+<td>host.name</td><td>DEPRECATED: only used when `listeners` is not set. Use `listeners` instead.
+hostname of broker. If this is set, it will only bind to this address. If this is not set, it will bind to all interfaces</td><td>string</td><td>""</td><td></td><td>high</td></tr>
+<tr>
+<td>leader.imbalance.check.interval.seconds</td><td>The frequency with which the partition rebalance check is triggered by the controller</td><td>long</td><td>300</td><td></td><td>high</td></tr>
+<tr>
+<td>leader.imbalance.per.broker.percentage</td><td>The ratio of leader imbalance allowed per broker. The controller would trigger a leader balance if it goes above this value per broker. The value is specified in percentage.</td><td>int</td><td>10</td><td></td><td>high</td></tr>
+<tr>
+<td>listeners</td><td>Listener List - Comma-separated list of URIs we will listen on and the listener names. If the listener name is not a security protocol, listener.security.protocol.map must also be set.
+ Specify hostname as 0.0.0.0 to bind to all interfaces.
+ Leave hostname empty to bind to default interface.
+ Examples of legal listener lists:
+ PLAINTEXT://myhost:9092,SSL://:9091
+ CLIENT://0.0.0.0:9092,REPLICATION://localhost:9093
+</td><td>string</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>log.dir</td><td>The directory in which the log data is kept (supplemental for log.dirs property)</td><td>string</td><td>/tmp/kafka-logs</td><td></td><td>high</td></tr>
+<tr>
+<td>log.dirs</td><td>The directories in which the log data is kept. If not set, the value in log.dir is used</td><td>string</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>log.flush.interval.messages</td><td>The number of messages accumulated on a log partition before messages are flushed to disk </td><td>long</td><td>9223372036854775807</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>log.flush.interval.ms</td><td>The maximum time in ms that a message in any topic is kept in memory before flushed to disk. If not set, the value in log.flush.scheduler.interval.ms is used</td><td>long</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>log.flush.offset.checkpoint.interval.ms</td><td>The frequency with which we update the persistent record of the last flush which acts as the log recovery point</td><td>int</td><td>60000</td><td>[0,...]</td><td>high</td></tr>
+<tr>
+<td>log.flush.scheduler.interval.ms</td><td>The frequency in ms that the log flusher checks whether any log needs to be flushed to disk</td><td>long</td><td>9223372036854775807</td><td></td><td>high</td></tr>
+<tr>
+<td>log.flush.start.offset.checkpoint.interval.ms</td><td>The frequency with which we update the persistent record of log start offset</td><td>int</td><td>60000</td><td>[0,...]</td><td>high</td></tr>
+<tr>
+<td>log.retention.bytes</td><td>The maximum size of the log before deleting it</td><td>long</td><td>-1</td><td></td><td>high</td></tr>
+<tr>
+<td>log.retention.hours</td><td>The number of hours to keep a log file before deleting it (in hours), tertiary to log.retention.ms property</td><td>int</td><td>168</td><td></td><td>high</td></tr>
+<tr>
+<td>log.retention.minutes</td><td>The number of minutes to keep a log file before deleting it (in minutes), secondary to log.retention.ms property. If not set, the value in log.retention.hours is used</td><td>int</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>log.retention.ms</td><td>The number of milliseconds to keep a log file before deleting it (in milliseconds), If not set, the value in log.retention.minutes is used</td><td>long</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>log.roll.hours</td><td>The maximum time before a new log segment is rolled out (in hours), secondary to log.roll.ms property</td><td>int</td><td>168</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>log.roll.jitter.hours</td><td>The maximum jitter to subtract from logRollTimeMillis (in hours), secondary to log.roll.jitter.ms property</td><td>int</td><td>0</td><td>[0,...]</td><td>high</td></tr>
+<tr>
+<td>log.roll.jitter.ms</td><td>The maximum jitter to subtract from logRollTimeMillis (in milliseconds). If not set, the value in log.roll.jitter.hours is used</td><td>long</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>log.roll.ms</td><td>The maximum time before a new log segment is rolled out (in milliseconds). If not set, the value in log.roll.hours is used</td><td>long</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>log.segment.bytes</td><td>The maximum size of a single log file</td><td>int</td><td>1073741824</td><td>[14,...]</td><td>high</td></tr>
+<tr>
+<td>log.segment.delete.delay.ms</td><td>The amount of time to wait before deleting a file from the filesystem</td><td>long</td><td>60000</td><td>[0,...]</td><td>high</td></tr>
+<tr>
+<td>message.max.bytes</td><td><p>The largest record batch size allowed by Kafka. If this is increased and there are consumers older than 0.10.2, the consumers' fetch size must also be increased so that the they can fetch record batches this large.</p><p>In the latest message format version, records are always grouped into batches for efficiency. In previous message format versions, uncompressed records are not grouped into batches and this limit only applies to a single record in that case.</p><p>This can be set per topic with the topic level <code>max.message.bytes</code> config.</p></td><td>int</td><td>1000012</td><td>[0,...]</td><td>high</td></tr>
+<tr>
+<td>min.insync.replicas</td><td>When a producer sets acks to "all" (or "-1"), min.insync.replicas specifies the minimum number of replicas that must acknowledge a write for the write to be considered successful. If this minimum cannot be met, then the producer will raise an exception (either NotEnoughReplicas or NotEnoughReplicasAfterAppend).<br>When used together, min.insync.replicas and acks allow you to enforce greater durability guarantees. A typical scenario would be to create a topic with a replication factor of 3, set min.insync.replicas to 2, and produce with acks of "all". This will ensure that the producer raises an exception if a majority of replicas do not receive a write.</td><td>int</td><td>1</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>num.io.threads</td><td>The number of threads that the server uses for processing requests, which may include disk I/O</td><td>int</td><td>8</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>num.network.threads</td><td>The number of threads that the server uses for receiving requests from the network and sending responses to the network</td><td>int</td><td>3</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>num.recovery.threads.per.data.dir</td><td>The number of threads per data directory to be used for log recovery at startup and flushing at shutdown</td><td>int</td><td>1</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>num.replica.fetchers</td><td>Number of fetcher threads used to replicate messages from a source broker. Increasing this value can increase the degree of I/O parallelism in the follower broker.</td><td>int</td><td>1</td><td></td><td>high</td></tr>
+<tr>
+<td>offset.metadata.max.bytes</td><td>The maximum size for a metadata entry associated with an offset commit</td><td>int</td><td>4096</td><td></td><td>high</td></tr>
+<tr>
+<td>offsets.commit.required.acks</td><td>The required acks before the commit can be accepted. In general, the default (-1) should not be overridden</td><td>short</td><td>-1</td><td></td><td>high</td></tr>
+<tr>
+<td>offsets.commit.timeout.ms</td><td>Offset commit will be delayed until all replicas for the offsets topic receive the commit or this timeout is reached. This is similar to the producer request timeout.</td><td>int</td><td>5000</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>offsets.load.buffer.size</td><td>Batch size for reading from the offsets segments when loading offsets into the cache.</td><td>int</td><td>5242880</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>offsets.retention.check.interval.ms</td><td>Frequency at which to check for stale offsets</td><td>long</td><td>600000</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>offsets.retention.minutes</td><td>Offsets older than this retention period will be discarded</td><td>int</td><td>1440</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>offsets.topic.compression.codec</td><td>Compression codec for the offsets topic - compression may be used to achieve "atomic" commits</td><td>int</td><td>0</td><td></td><td>high</td></tr>
+<tr>
+<td>offsets.topic.num.partitions</td><td>The number of partitions for the offset commit topic (should not change after deployment)</td><td>int</td><td>50</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>offsets.topic.replication.factor</td><td>The replication factor for the offsets topic (set higher to ensure availability). Internal topic creation will fail until the cluster size meets this replication factor requirement.</td><td>short</td><td>3</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>offsets.topic.segment.bytes</td><td>The offsets topic segment bytes should be kept relatively small in order to facilitate faster log compaction and cache loads</td><td>int</td><td>104857600</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>port</td><td>DEPRECATED: only used when `listeners` is not set. Use `listeners` instead.
+the port to listen and accept connections on</td><td>int</td><td>9092</td><td></td><td>high</td></tr>
+<tr>
+<td>queued.max.requests</td><td>The number of queued requests allowed before blocking the network threads</td><td>int</td><td>500</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>quota.consumer.default</td><td>DEPRECATED: Used only when dynamic default quotas are not configured for <user, <client-id> or <user, client-id> in Zookeeper. Any consumer distinguished by clientId/consumer group will get throttled if it fetches more bytes than this value per-second</td><td>long</td><td>9223372036854775807</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>quota.producer.default</td><td>DEPRECATED: Used only when dynamic default quotas are not configured for <user>, <client-id> or <user, client-id> in Zookeeper. Any producer distinguished by clientId will get throttled if it produces more bytes than this value per-second</td><td>long</td><td>9223372036854775807</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>replica.fetch.min.bytes</td><td>Minimum bytes expected for each fetch response. If not enough bytes, wait up to replicaMaxWaitTimeMs</td><td>int</td><td>1</td><td></td><td>high</td></tr>
+<tr>
+<td>replica.fetch.wait.max.ms</td><td>max wait time for each fetcher request issued by follower replicas. This value should always be less than the replica.lag.time.max.ms at all times to prevent frequent shrinking of ISR for low throughput topics</td><td>int</td><td>500</td><td></td><td>high</td></tr>
+<tr>
+<td>replica.high.watermark.checkpoint.interval.ms</td><td>The frequency with which the high watermark is saved out to disk</td><td>long</td><td>5000</td><td></td><td>high</td></tr>
+<tr>
+<td>replica.lag.time.max.ms</td><td>If a follower hasn't sent any fetch requests or hasn't consumed up to the leaders log end offset for at least this time, the leader will remove the follower from isr</td><td>long</td><td>10000</td><td></td><td>high</td></tr>
+<tr>
+<td>replica.socket.receive.buffer.bytes</td><td>The socket receive buffer for network requests</td><td>int</td><td>65536</td><td></td><td>high</td></tr>
+<tr>
+<td>replica.socket.timeout.ms</td><td>The socket timeout for network requests. Its value should be at least replica.fetch.wait.max.ms</td><td>int</td><td>30000</td><td></td><td>high</td></tr>
+<tr>
+<td>request.timeout.ms</td><td>The configuration controls the maximum amount of time the client will wait for the response of a request. If the response is not received before the timeout elapses the client will resend the request if necessary or fail the request if retries are exhausted.</td><td>int</td><td>30000</td><td></td><td>high</td></tr>
+<tr>
+<td>socket.receive.buffer.bytes</td><td>The SO_RCVBUF buffer of the socket sever sockets. If the value is -1, the OS default will be used.</td><td>int</td><td>102400</td><td></td><td>high</td></tr>
+<tr>
+<td>socket.request.max.bytes</td><td>The maximum number of bytes in a socket request</td><td>int</td><td>104857600</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>socket.send.buffer.bytes</td><td>The SO_SNDBUF buffer of the socket sever sockets. If the value is -1, the OS default will be used.</td><td>int</td><td>102400</td><td></td><td>high</td></tr>
+<tr>
+<td>transaction.max.timeout.ms</td><td>The maximum allowed timeout for transactions. If a client’s requested transaction time exceed this, then the broker will return an error in InitProducerIdRequest. This prevents a client from too large of a timeout, which can stall consumers reading from topics included in the transaction.</td><td>int</td><td>900000</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>transaction.state.log.load.buffer.size</td><td>Batch size for reading from the transaction log segments when loading producer ids and transactions into the cache.</td><td>int</td><td>5242880</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>transaction.state.log.min.isr</td><td>Overridden min.insync.replicas config for the transaction topic.</td><td>int</td><td>2</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>transaction.state.log.num.partitions</td><td>The number of partitions for the transaction topic (should not change after deployment).</td><td>int</td><td>50</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>transaction.state.log.replication.factor</td><td>The replication factor for the transaction topic (set higher to ensure availability). Internal topic creation will fail until the cluster size meets this replication factor requirement.</td><td>short</td><td>3</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>transaction.state.log.segment.bytes</td><td>The transaction topic segment bytes should be kept relatively small in order to facilitate faster log compaction and cache loads</td><td>int</td><td>104857600</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>transactional.id.expiration.ms</td><td>The maximum amount of time in ms that the transaction coordinator will wait before proactively expire a producer's transactional id without receiving any transaction status updates from it.</td><td>int</td><td>604800000</td><td>[1,...]</td><td>high</td></tr>
+<tr>
+<td>unclean.leader.election.enable</td><td>Indicates whether to enable replicas not in the ISR set to be elected as leader as a last resort, even though doing so may result in data loss</td><td>boolean</td><td>false</td><td></td><td>high</td></tr>
+<tr>
+<td>zookeeper.connection.timeout.ms</td><td>The max time that the client waits to establish a connection to zookeeper. If not set, the value in zookeeper.session.timeout.ms is used</td><td>int</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>zookeeper.session.timeout.ms</td><td>Zookeeper session timeout</td><td>int</td><td>6000</td><td></td><td>high</td></tr>
+<tr>
+<td>zookeeper.set.acl</td><td>Set client to use secure ACLs</td><td>boolean</td><td>false</td><td></td><td>high</td></tr>
+<tr>
+<td>broker.id.generation.enable</td><td>Enable automatic broker id generation on the server. When enabled the value configured for reserved.broker.max.id should be reviewed.</td><td>boolean</td><td>true</td><td></td><td>medium</td></tr>
+<tr>
+<td>broker.rack</td><td>Rack of the broker. This will be used in rack aware replication assignment for fault tolerance. Examples: `RACK1`, `us-east-1d`</td><td>string</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>connections.max.idle.ms</td><td>Idle connections timeout: the server socket processor threads close the connections that idle more than this</td><td>long</td><td>600000</td><td></td><td>medium</td></tr>
+<tr>
+<td>controlled.shutdown.enable</td><td>Enable controlled shutdown of the server</td><td>boolean</td><td>true</td><td></td><td>medium</td></tr>
+<tr>
+<td>controlled.shutdown.max.retries</td><td>Controlled shutdown can fail for multiple reasons. This determines the number of retries when such failure happens</td><td>int</td><td>3</td><td></td><td>medium</td></tr>
+<tr>
+<td>controlled.shutdown.retry.backoff.ms</td><td>Before each retry, the system needs time to recover from the state that caused the previous failure (Controller fail over, replica lag etc). This config determines the amount of time to wait before retrying.</td><td>long</td><td>5000</td><td></td><td>medium</td></tr>
+<tr>
+<td>controller.socket.timeout.ms</td><td>The socket timeout for controller-to-broker channels</td><td>int</td><td>30000</td><td></td><td>medium</td></tr>
+<tr>
+<td>default.replication.factor</td><td>default replication factors for automatically created topics</td><td>int</td><td>1</td><td></td><td>medium</td></tr>
+<tr>
+<td>delete.records.purgatory.purge.interval.requests</td><td>The purge interval (in number of requests) of the delete records request purgatory</td><td>int</td><td>1</td><td></td><td>medium</td></tr>
+<tr>
+<td>fetch.purgatory.purge.interval.requests</td><td>The purge interval (in number of requests) of the fetch request purgatory</td><td>int</td><td>1000</td><td></td><td>medium</td></tr>
+<tr>
+<td>group.initial.rebalance.delay.ms</td><td>The amount of time the group coordinator will wait for more consumers to join a new group before performing the first rebalance. A longer delay means potentially fewer rebalances, but increases the time until processing begins.</td><td>int</td><td>3000</td><td></td><td>medium</td></tr>
+<tr>
+<td>group.max.session.timeout.ms</td><td>The maximum allowed session timeout for registered consumers. Longer timeouts give consumers more time to process messages in between heartbeats at the cost of a longer time to detect failures.</td><td>int</td><td>300000</td><td></td><td>medium</td></tr>
+<tr>
+<td>group.min.session.timeout.ms</td><td>The minimum allowed session timeout for registered consumers. Shorter timeouts result in quicker failure detection at the cost of more frequent consumer heartbeating, which can overwhelm broker resources.</td><td>int</td><td>6000</td><td></td><td>medium</td></tr>
+<tr>
+<td>inter.broker.listener.name</td><td>Name of listener used for communication between brokers. If this is unset, the listener name is defined by security.inter.broker.protocol. It is an error to set this and security.inter.broker.protocol properties at the same time.</td><td>string</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>inter.broker.protocol.version</td><td>Specify which version of the inter-broker protocol will be used.
+ This is typically bumped after all brokers were upgraded to a new version.
+ Example of some valid values are: 0.8.0, 0.8.1, 0.8.1.1, 0.8.2, 0.8.2.0, 0.8.2.1, 0.9.0.0, 0.9.0.1 Check ApiVersion for the full list.</td><td>string</td><td>1.0-IV0</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.backoff.ms</td><td>The amount of time to sleep when there are no logs to clean</td><td>long</td><td>15000</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.dedupe.buffer.size</td><td>The total memory used for log deduplication across all cleaner threads</td><td>long</td><td>134217728</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.delete.retention.ms</td><td>How long are delete records retained?</td><td>long</td><td>86400000</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.enable</td><td>Enable the log cleaner process to run on the server. Should be enabled if using any topics with a cleanup.policy=compact including the internal offsets topic. If disabled those topics will not be compacted and continually grow in size.</td><td>boolean</td><td>true</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.io.buffer.load.factor</td><td>Log cleaner dedupe buffer load factor. The percentage full the dedupe buffer can become. A higher value will allow more log to be cleaned at once but will lead to more hash collisions</td><td>double</td><td>0.9</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.io.buffer.size</td><td>The total memory used for log cleaner I/O buffers across all cleaner threads</td><td>int</td><td>524288</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.io.max.bytes.per.second</td><td>The log cleaner will be throttled so that the sum of its read and write i/o will be less than this value on average</td><td>double</td><td>1.7976931348623157E308</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.min.cleanable.ratio</td><td>The minimum ratio of dirty log to total log for a log to eligible for cleaning</td><td>double</td><td>0.5</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.min.compaction.lag.ms</td><td>The minimum time a message will remain uncompacted in the log. Only applicable for logs that are being compacted.</td><td>long</td><td>0</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.cleaner.threads</td><td>The number of background threads to use for log cleaning</td><td>int</td><td>1</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>log.cleanup.policy</td><td>The default cleanup policy for segments beyond the retention window. A comma separated list of valid policies. Valid policies are: "delete" and "compact"</td><td>list</td><td>delete</td><td>[compact, delete]</td><td>medium</td></tr>
+<tr>
+<td>log.index.interval.bytes</td><td>The interval with which we add an entry to the offset index</td><td>int</td><td>4096</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>log.index.size.max.bytes</td><td>The maximum size in bytes of the offset index</td><td>int</td><td>10485760</td><td>[4,...]</td><td>medium</td></tr>
+<tr>
+<td>log.message.format.version</td><td>Specify the message format version the broker will use to append messages to the logs. The value should be a valid ApiVersion. Some examples are: 0.8.2, 0.9.0.0, 0.10.0, check ApiVersion for more details. By setting a particular message format version, the user is certifying that all the existing messages on disk are smaller or equal than the specified version. Setting this value incorrectly will cause consumers with older versions to break as they will receive messages with a format that they don't understand.</td><td>string</td><td>1.0-IV0</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.message.timestamp.difference.max.ms</td><td>The maximum difference allowed between the timestamp when a broker receives a message and the timestamp specified in the message. If log.message.timestamp.type=CreateTime, a message will be rejected if the difference in timestamp exceeds this threshold. This configuration is ignored if log.message.timestamp.type=LogAppendTime.The maximum timestamp difference allowed should be no greater than log.retention.ms to avoid unnecessarily frequent log rolling.</td><td>long</td><td>9223372036854775807</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.message.timestamp.type</td><td>Define whether the timestamp in the message is message create time or log append time. The value should be either `CreateTime` or `LogAppendTime`</td><td>string</td><td>CreateTime</td><td>[CreateTime, LogAppendTime]</td><td>medium</td></tr>
+<tr>
+<td>log.preallocate</td><td>Should pre allocate file when create new segment? If you are using Kafka on Windows, you probably need to set it to true.</td><td>boolean</td><td>false</td><td></td><td>medium</td></tr>
+<tr>
+<td>log.retention.check.interval.ms</td><td>The frequency in milliseconds that the log cleaner checks whether any log is eligible for deletion</td><td>long</td><td>300000</td><td>[1,...]</td><td>medium</td></tr>
+<tr>
+<td>max.connections.per.ip</td><td>The maximum number of connections we allow from each ip address</td><td>int</td><td>2147483647</td><td>[1,...]</td><td>medium</td></tr>
+<tr>
+<td>max.connections.per.ip.overrides</td><td>Per-ip or hostname overrides to the default maximum number of connections</td><td>string</td><td>""</td><td></td><td>medium</td></tr>
+<tr>
+<td>num.partitions</td><td>The default number of log partitions per topic</td><td>int</td><td>1</td><td>[1,...]</td><td>medium</td></tr>
+<tr>
+<td>principal.builder.class</td><td>The fully qualified name of a class that implements the KafkaPrincipalBuilder interface, which is used to build the KafkaPrincipal object used during authorization. This config also supports the deprecated PrincipalBuilder interface which was previously used for client authentication over SSL. If no principal builder is defined, the default behavior depends on the security protocol in use. For SSL authentication, the principal name will be the distinguished name from the client certificate if one is provided; otherwise, if client authentication is not required, the principal name will be ANONYMOUS. For SASL authentication, the principal will be derived using the rules defined by <code>sasl.kerberos.principal.to.local.rules</code> if GSSAPI is in use, and the SASL authentication ID for other mechanisms. For PLAINTEXT, the principal will be ANONYMOUS.</td><td>class</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>producer.purgatory.purge.interval.requests</td><td>The purge interval (in number of requests) of the producer request purgatory</td><td>int</td><td>1000</td><td></td><td>medium</td></tr>
+<tr>
+<td>queued.max.request.bytes</td><td>The number of queued bytes allowed before no more requests are read</td><td>long</td><td>-1</td><td></td><td>medium</td></tr>
+<tr>
+<td>replica.fetch.backoff.ms</td><td>The amount of time to sleep when fetch partition error occurs.</td><td>int</td><td>1000</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>replica.fetch.max.bytes</td><td>The number of bytes of messages to attempt to fetch for each partition. This is not an absolute maximum, if the first record batch in the first non-empty partition of the fetch is larger than this value, the record batch will still be returned to ensure that progress can be made. The maximum record batch size accepted by the broker is defined via <code>message.max.bytes</code> (broker config) or <code>max.message.bytes</code> (topic config).</td><td>int</td><td>1048576</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>replica.fetch.response.max.bytes</td><td>Maximum bytes expected for the entire fetch response. Records are fetched in batches, and if the first record batch in the first non-empty partition of the fetch is larger than this value, the record batch will still be returned to ensure that progress can be made. As such, this is not an absolute maximum. The maximum record batch size accepted by the broker is defined via <code>message.max.bytes</code> (broker config) or <code>max.message.bytes</code> (topic config).</td><td>int</td><td>10485760</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>reserved.broker.max.id</td><td>Max number that can be used for a broker.id</td><td>int</td><td>1000</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>sasl.enabled.mechanisms</td><td>The list of SASL mechanisms enabled in the Kafka server. The list may contain any mechanism for which a security provider is available. Only GSSAPI is enabled by default.</td><td>list</td><td>GSSAPI</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.kerberos.kinit.cmd</td><td>Kerberos kinit command path.</td><td>string</td><td>/usr/bin/kinit</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.kerberos.min.time.before.relogin</td><td>Login thread sleep time between refresh attempts.</td><td>long</td><td>60000</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.kerberos.principal.to.local.rules</td><td>A list of rules for mapping from principal names to short names (typically operating system usernames). The rules are evaluated in order and the first rule that matches a principal name is used to map it to a short name. Any later rules in the list are ignored. By default, principal names of the form {username}/{hostname}@{REALM} are mapped to {username}. For more details on the format please see <a href="#security_authz"> security authorization and acls</a>. Note that this configuration is ignored if an extension of KafkaPrincipalBuilder is provided by the <code>principal.builder.class</code> configuration.</td><td>list</td><td>DEFAULT</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.kerberos.service.name</td><td>The Kerberos principal name that Kafka runs as. This can be defined either in Kafka's JAAS config or in Kafka's config.</td><td>string</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.kerberos.ticket.renew.jitter</td><td>Percentage of random jitter added to the renewal time.</td><td>double</td><td>0.05</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.kerberos.ticket.renew.window.factor</td><td>Login thread will sleep until the specified window factor of time from last refresh to ticket's expiry has been reached, at which time it will try to renew the ticket.</td><td>double</td><td>0.8</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.mechanism.inter.broker.protocol</td><td>SASL mechanism used for inter-broker communication. Default is GSSAPI.</td><td>string</td><td>GSSAPI</td><td></td><td>medium</td></tr>
+<tr>
+<td>security.inter.broker.protocol</td><td>Security protocol used to communicate between brokers. Valid values are: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL. It is an error to set this and inter.broker.listener.name properties at the same time.</td><td>string</td><td>PLAINTEXT</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.cipher.suites</td><td>A list of cipher suites. This is a named combination of authentication, encryption, MAC and key exchange algorithm used to negotiate the security settings for a network connection using TLS or SSL network protocol. By default all the available cipher suites are supported.</td><td>list</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.client.auth</td><td>Configures kafka broker to request client authentication. The following settings are common: <ul> <li><code>ssl.client.auth=required</code> If set to required client authentication is required. <li><code>ssl.client.auth=requested</code> This means client authentication is optional. unlike requested , if this option is set client can choose not to provide authentication information about itself <li><code>ssl.client.auth=none</code> This means client authentication is not needed.</td><td>string</td><td>none</td><td>[required, requested, none]</td><td>medium</td></tr>
+<tr>
+<td>ssl.enabled.protocols</td><td>The list of protocols enabled for SSL connections.</td><td>list</td><td>TLSv1.2,TLSv1.1,TLSv1</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.key.password</td><td>The password of the private key in the key store file. This is optional for client.</td><td>password</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.keymanager.algorithm</td><td>The algorithm used by key manager factory for SSL connections. Default value is the key manager factory algorithm configured for the Java Virtual Machine.</td><td>string</td><td>SunX509</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.keystore.location</td><td>The location of the key store file. This is optional for client and can be used for two-way authentication for client.</td><td>string</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.keystore.password</td><td>The store password for the key store file. This is optional for client and only needed if ssl.keystore.location is configured. </td><td>password</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.keystore.type</td><td>The file format of the key store file. This is optional for client.</td><td>string</td><td>JKS</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.protocol</td><td>The SSL protocol used to generate the SSLContext. Default setting is TLS, which is fine for most cases. Allowed values in recent JVMs are TLS, TLSv1.1 and TLSv1.2. SSL, SSLv2 and SSLv3 may be supported in older JVMs, but their usage is discouraged due to known security vulnerabilities.</td><td>string</td><td>TLS</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.provider</td><td>The name of the security provider used for SSL connections. Default value is the default security provider of the JVM.</td><td>string</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.trustmanager.algorithm</td><td>The algorithm used by trust manager factory for SSL connections. Default value is the trust manager factory algorithm configured for the Java Virtual Machine.</td><td>string</td><td>PKIX</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.truststore.location</td><td>The location of the trust store file. </td><td>string</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.truststore.password</td><td>The password for the trust store file. If a password is not set access to the truststore is still available, but integrity checking is disabled.</td><td>password</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.truststore.type</td><td>The file format of the trust store file.</td><td>string</td><td>JKS</td><td></td><td>medium</td></tr>
+<tr>
+<td>alter.config.policy.class.name</td><td>The alter configs policy class that should be used for validation. The class should implement the <code>org.apache.kafka.server.policy.AlterConfigPolicy</code> interface.</td><td>class</td><td>null</td><td></td><td>low</td></tr>
+<tr>
+<td>authorizer.class.name</td><td>The authorizer class that should be used for authorization</td><td>string</td><td>""</td><td></td><td>low</td></tr>
+<tr>
+<td>create.topic.policy.class.name</td><td>The create topic policy class that should be used for validation. The class should implement the <code>org.apache.kafka.server.policy.CreateTopicPolicy</code> interface.</td><td>class</td><td>null</td><td></td><td>low</td></tr>
+<tr>
+<td>listener.security.protocol.map</td><td>Map between listener names and security protocols. This must be defined for the same security protocol to be usable in more than one port or IP. For example, internal and external traffic can be separated even if SSL is required for both. Concretely, the user could define listeners with names INTERNAL and EXTERNAL and this property as: `INTERNAL:SSL,EXTERNAL:SSL`. As shown, key and value are separated by a colon and map entries are separated by commas. Each listener name should only appear once in the map. Different security (SSL and SASL) settings can be configured for each listener by adding a normalised prefix (the listener name is lowercased) to the config name. For example, to set a different keystore for the INTERNAL listener, a config with name `listener.name.internal.ssl.keystore.location` would be set. If the config for the listener name is not set, the config will fallback to the generic config (i.e. `ssl.keystore.location`). </td
><td>string</td><td>PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL</td><td></td><td>low</td></tr>
+<tr>
+<td>metric.reporters</td><td>A list of classes to use as metrics reporters. Implementing the <code>org.apache.kafka.common.metrics.MetricsReporter</code> interface allows plugging in classes that will be notified of new metric creation. The JmxReporter is always included to register JMX statistics.</td><td>list</td><td>""</td><td></td><td>low</td></tr>
+<tr>
+<td>metrics.num.samples</td><td>The number of samples maintained to compute metrics.</td><td>int</td><td>2</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>metrics.recording.level</td><td>The highest recording level for metrics.</td><td>string</td><td>INFO</td><td></td><td>low</td></tr>
+<tr>
+<td>metrics.sample.window.ms</td><td>The window of time a metrics sample is computed over.</td><td>long</td><td>30000</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>quota.window.num</td><td>The number of samples to retain in memory for client quotas</td><td>int</td><td>11</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>quota.window.size.seconds</td><td>The time span of each sample for client quotas</td><td>int</td><td>1</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>replication.quota.window.num</td><td>The number of samples to retain in memory for replication quotas</td><td>int</td><td>11</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>replication.quota.window.size.seconds</td><td>The time span of each sample for replication quotas</td><td>int</td><td>1</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>ssl.endpoint.identification.algorithm</td><td>The endpoint identification algorithm to validate server hostname using server certificate. </td><td>string</td><td>null</td><td></td><td>low</td></tr>
+<tr>
+<td>ssl.secure.random.implementation</td><td>The SecureRandom PRNG implementation to use for SSL cryptography operations. </td><td>string</td><td>null</td><td></td><td>low</td></tr>
+<tr>
+<td>transaction.abort.timed.out.transaction.cleanup.interval.ms</td><td>The interval at which to rollback transactions that have timed out</td><td>int</td><td>60000</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>transaction.remove.expired.transaction.cleanup.interval.ms</td><td>The interval at which to remove transactions that have expired due to <code>transactional.id.expiration.ms<code> passing</td><td>int</td><td>3600000</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>zookeeper.sync.time.ms</td><td>How far a ZK follower can be behind a ZK leader</td><td>int</td><td>2000</td><td></td><td>low</td></tr>
+</tbody></table>
http://git-wip-us.apache.org/repos/asf/kafka-site/blob/cb024c13/100/generated/producer_config.html
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+<table class="data-table"><tbody>
+<tr>
+<th>Name</th>
+<th>Description</th>
+<th>Type</th>
+<th>Default</th>
+<th>Valid Values</th>
+<th>Importance</th>
+</tr>
+<tr>
+<td>bootstrap.servers</td><td>A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. The client will make use of all servers irrespective of which servers are specified here for bootstrapping—this list only impacts the initial hosts used to discover the full set of servers. This list should be in the form <code>host1:port1,host2:port2,...</code>. Since these servers are just used for the initial connection to discover the full cluster membership (which may change dynamically), this list need not contain the full set of servers (you may want more than one, though, in case a server is down).</td><td>list</td><td></td><td></td><td>high</td></tr>
+<tr>
+<td>key.serializer</td><td>Serializer class for key that implements the <code>org.apache.kafka.common.serialization.Serializer</code> interface.</td><td>class</td><td></td><td></td><td>high</td></tr>
+<tr>
+<td>value.serializer</td><td>Serializer class for value that implements the <code>org.apache.kafka.common.serialization.Serializer</code> interface.</td><td>class</td><td></td><td></td><td>high</td></tr>
+<tr>
+<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. This controls the durability of records that are sent. The following settings are allowed: <ul> <li><code>acks=0</code> If set to zero then the producer will not wait for any acknowledgment from the server at all. The record will be immediately added to the socket buffer and considered sent. No guarantee can be made that the server has received the record in this case, and the <code>retries</code> configuration will not take effect (as the client won't generally know of any failures). The offset given back for each record will always be set to -1. <li><code>acks=1</code> This will mean the leader will write the record to its local log but will respond without awaiting full acknowledgement from all followers. In this case should the leader fail immediately after acknowledging the record but before the followers have replicated it then the record wi
ll be lost. <li><code>acks=all</code> This means the leader will wait for the full set of in-sync replicas to acknowledge the record. This guarantees that the record will not be lost as long as at least one in-sync replica remains alive. This is the strongest available guarantee. This is equivalent to the acks=-1 setting.</td><td>string</td><td>1</td><td>[all, -1, 0, 1]</td><td>high</td></tr>
+<tr>
+<td>buffer.memory</td><td>The total bytes of memory the producer can use to buffer records waiting to be sent to the server. If records are sent faster than they can be delivered to the server the producer will block for <code>max.block.ms</code> after which it will throw an exception.<p>This setting should correspond roughly to the total memory the producer will use, but is not a hard bound since not all memory the producer uses is used for buffering. Some additional memory will be used for compression (if compression is enabled) as well as for maintaining in-flight requests.</td><td>long</td><td>33554432</td><td>[0,...]</td><td>high</td></tr>
+<tr>
+<td>compression.type</td><td>The compression type for all data generated by the producer. The default is none (i.e. no compression). Valid values are <code>none</code>, <code>gzip</code>, <code>snappy</code>, or <code>lz4</code>. Compression is of full batches of data, so the efficacy of batching will also impact the compression ratio (more batching means better compression).</td><td>string</td><td>none</td><td></td><td>high</td></tr>
+<tr>
+<td>retries</td><td>Setting a value greater than zero will cause the client to resend any record whose send fails with a potentially transient error. Note that this retry is no different than if the client resent the record upon receiving the error. Allowing retries without setting <code>max.in.flight.requests.per.connection</code> to 1 will potentially change the ordering of records because if two batches are sent to a single partition, and the first fails and is retried but the second succeeds, then the records in the second batch may appear first.</td><td>int</td><td>0</td><td>[0,...,2147483647]</td><td>high</td></tr>
+<tr>
+<td>ssl.key.password</td><td>The password of the private key in the key store file. This is optional for client.</td><td>password</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>ssl.keystore.location</td><td>The location of the key store file. This is optional for client and can be used for two-way authentication for client.</td><td>string</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>ssl.keystore.password</td><td>The store password for the key store file. This is optional for client and only needed if ssl.keystore.location is configured. </td><td>password</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>ssl.truststore.location</td><td>The location of the trust store file. </td><td>string</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>ssl.truststore.password</td><td>The password for the trust store file. If a password is not set access to the truststore is still available, but integrity checking is disabled.</td><td>password</td><td>null</td><td></td><td>high</td></tr>
+<tr>
+<td>batch.size</td><td>The producer will attempt to batch records together into fewer requests whenever multiple records are being sent to the same partition. This helps performance on both the client and the server. This configuration controls the default batch size in bytes. <p>No attempt will be made to batch records larger than this size. <p>Requests sent to brokers will contain multiple batches, one for each partition with data available to be sent. <p>A small batch size will make batching less common and may reduce throughput (a batch size of zero will disable batching entirely). A very large batch size may use memory a bit more wastefully as we will always allocate a buffer of the specified batch size in anticipation of additional records.</td><td>int</td><td>16384</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>client.id</td><td>An id string to pass to the server when making requests. The purpose of this is to be able to track the source of requests beyond just ip/port by allowing a logical application name to be included in server-side request logging.</td><td>string</td><td>""</td><td></td><td>medium</td></tr>
+<tr>
+<td>connections.max.idle.ms</td><td>Close idle connections after the number of milliseconds specified by this config.</td><td>long</td><td>540000</td><td></td><td>medium</td></tr>
+<tr>
+<td>linger.ms</td><td>The producer groups together any records that arrive in between request transmissions into a single batched request. Normally this occurs only under load when records arrive faster than they can be sent out. However in some circumstances the client may want to reduce the number of requests even under moderate load. This setting accomplishes this by adding a small amount of artificial delay—that is, rather than immediately sending out a record the producer will wait for up to the given delay to allow other records to be sent so that the sends can be batched together. This can be thought of as analogous to Nagle's algorithm in TCP. This setting gives the upper bound on the delay for batching: once we get <code>batch.size</code> worth of records for a partition it will be sent immediately regardless of this setting, however if we have fewer than this many bytes accumulated for this partition we will 'linger' for the specified time waiting for more records to
show up. This setting defaults to 0 (i.e. no delay). Setting <code>linger.ms=5</code>, for example, would have the effect of reducing the number of requests sent but would add up to 5ms of latency to records sent in the absense of load.</td><td>long</td><td>0</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>max.block.ms</td><td>The configuration controls how long <code>KafkaProducer.send()</code> and <code>KafkaProducer.partitionsFor()</code> will block.These methods can be blocked either because the buffer is full or metadata unavailable.Blocking in the user-supplied serializers or partitioner will not be counted against this timeout.</td><td>long</td><td>60000</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>max.request.size</td><td>The maximum size of a request in bytes. This setting will limit the number of record batches the producer will send in a single request to avoid sending huge requests. This is also effectively a cap on the maximum record batch size. Note that the server has its own cap on record batch size which may be different from this.</td><td>int</td><td>1048576</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>partitioner.class</td><td>Partitioner class that implements the <code>org.apache.kafka.clients.producer.Partitioner</code> interface.</td><td>class</td><td>org.apache.kafka.clients.producer.internals.DefaultPartitioner</td><td></td><td>medium</td></tr>
+<tr>
+<td>receive.buffer.bytes</td><td>The size of the TCP receive buffer (SO_RCVBUF) to use when reading data. If the value is -1, the OS default will be used.</td><td>int</td><td>32768</td><td>[-1,...]</td><td>medium</td></tr>
+<tr>
+<td>request.timeout.ms</td><td>The configuration controls the maximum amount of time the client will wait for the response of a request. If the response is not received before the timeout elapses the client will resend the request if necessary or fail the request if retries are exhausted. This should be larger than replica.lag.time.max.ms (a broker configuration) to reduce the possibility of message duplication due to unnecessary producer retries.</td><td>int</td><td>30000</td><td>[0,...]</td><td>medium</td></tr>
+<tr>
+<td>sasl.jaas.config</td><td>JAAS login context parameters for SASL connections in the format used by JAAS configuration files. JAAS configuration file format is described <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/security/jgss/tutorials/LoginConfigFile.html">here</a>. The format for the value is: '<loginModuleClass> <controlFlag> (<optionName>=<optionValue>)*;'</td><td>password</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.kerberos.service.name</td><td>The Kerberos principal name that Kafka runs as. This can be defined either in Kafka's JAAS config or in Kafka's config.</td><td>string</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>sasl.mechanism</td><td>SASL mechanism used for client connections. This may be any mechanism for which a security provider is available. GSSAPI is the default mechanism.</td><td>string</td><td>GSSAPI</td><td></td><td>medium</td></tr>
+<tr>
+<td>security.protocol</td><td>Protocol used to communicate with brokers. Valid values are: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL.</td><td>string</td><td>PLAINTEXT</td><td></td><td>medium</td></tr>
+<tr>
+<td>send.buffer.bytes</td><td>The size of the TCP send buffer (SO_SNDBUF) to use when sending data. If the value is -1, the OS default will be used.</td><td>int</td><td>131072</td><td>[-1,...]</td><td>medium</td></tr>
+<tr>
+<td>ssl.enabled.protocols</td><td>The list of protocols enabled for SSL connections.</td><td>list</td><td>TLSv1.2,TLSv1.1,TLSv1</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.keystore.type</td><td>The file format of the key store file. This is optional for client.</td><td>string</td><td>JKS</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.protocol</td><td>The SSL protocol used to generate the SSLContext. Default setting is TLS, which is fine for most cases. Allowed values in recent JVMs are TLS, TLSv1.1 and TLSv1.2. SSL, SSLv2 and SSLv3 may be supported in older JVMs, but their usage is discouraged due to known security vulnerabilities.</td><td>string</td><td>TLS</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.provider</td><td>The name of the security provider used for SSL connections. Default value is the default security provider of the JVM.</td><td>string</td><td>null</td><td></td><td>medium</td></tr>
+<tr>
+<td>ssl.truststore.type</td><td>The file format of the trust store file.</td><td>string</td><td>JKS</td><td></td><td>medium</td></tr>
+<tr>
+<td>enable.idempotence</td><td>When set to 'true', the producer will ensure that exactly one copy of each message is written in the stream. If 'false', producer retries due to broker failures, etc., may write duplicates of the retried message in the stream. Note that enabling idempotence requires <code>max.in.flight.requests.per.connection</code> to be less than or equal to 5, <code>retries</code> to be greater than 0 and acks must be 'all'. If these values are not explicitly set by the user, suitable values will be chosen. If incompatible values are set, a ConfigException will be thrown.</td><td>boolean</td><td>false</td><td></td><td>low</td></tr>
+<tr>
+<td>interceptor.classes</td><td>A list of classes to use as interceptors. Implementing the <code>org.apache.kafka.clients.producer.ProducerInterceptor</code> interface allows you to intercept (and possibly mutate) the records received by the producer before they are published to the Kafka cluster. By default, there are no interceptors.</td><td>list</td><td>null</td><td></td><td>low</td></tr>
+<tr>
+<td>max.in.flight.requests.per.connection</td><td>The maximum number of unacknowledged requests the client will send on a single connection before blocking. Note that if this setting is set to be greater than 1 and there are failed sends, there is a risk of message re-ordering due to retries (i.e., if retries are enabled).</td><td>int</td><td>5</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>metadata.max.age.ms</td><td>The period of time in milliseconds after which we force a refresh of metadata even if we haven't seen any partition leadership changes to proactively discover any new brokers or partitions.</td><td>long</td><td>300000</td><td>[0,...]</td><td>low</td></tr>
+<tr>
+<td>metric.reporters</td><td>A list of classes to use as metrics reporters. Implementing the <code>org.apache.kafka.common.metrics.MetricsReporter</code> interface allows plugging in classes that will be notified of new metric creation. The JmxReporter is always included to register JMX statistics.</td><td>list</td><td>""</td><td></td><td>low</td></tr>
+<tr>
+<td>metrics.num.samples</td><td>The number of samples maintained to compute metrics.</td><td>int</td><td>2</td><td>[1,...]</td><td>low</td></tr>
+<tr>
+<td>metrics.recording.level</td><td>The highest recording level for metrics.</td><td>string</td><td>INFO</td><td>[INFO, DEBUG]</td><td>low</td></tr>
+<tr>
+<td>metrics.sample.window.ms</td><td>The window of time a metrics sample is computed over.</td><td>long</td><td>30000</td><td>[0,...]</td><td>low</td></tr>
+<tr>
+<td>reconnect.backoff.max.ms</td><td>The maximum amount of time in milliseconds to wait when reconnecting to a broker that has repeatedly failed to connect. If provided, the backoff per host will increase exponentially for each consecutive connection failure, up to this maximum. After calculating the backoff increase, 20% random jitter is added to avoid connection storms.</td><td>long</td><td>1000</td><td>[0,...]</td><td>low</td></tr>
+<tr>
+<td>reconnect.backoff.ms</td><td>The base amount of time to wait before attempting to reconnect to a given host. This avoids repeatedly connecting to a host in a tight loop. This backoff applies to all connection attempts by the client to a broker.</td><td>long</td><td>50</td><td>[0,...]</td><td>low</td></tr>
+<tr>
+<td>retry.backoff.ms</td><td>The amount of time to wait before attempting to retry a failed request to a given topic partition. This avoids repeatedly sending requests in a tight loop under some failure scenarios.</td><td>long</td><td>100</td><td>[0,...]</td><td>low</td></tr>
+<tr>
+<td>sasl.kerberos.kinit.cmd</td><td>Kerberos kinit command path.</td><td>string</td><td>/usr/bin/kinit</td><td></td><td>low</td></tr>
+<tr>
+<td>sasl.kerberos.min.time.before.relogin</td><td>Login thread sleep time between refresh attempts.</td><td>long</td><td>60000</td><td></td><td>low</td></tr>
+<tr>
+<td>sasl.kerberos.ticket.renew.jitter</td><td>Percentage of random jitter added to the renewal time.</td><td>double</td><td>0.05</td><td></td><td>low</td></tr>
+<tr>
+<td>sasl.kerberos.ticket.renew.window.factor</td><td>Login thread will sleep until the specified window factor of time from last refresh to ticket's expiry has been reached, at which time it will try to renew the ticket.</td><td>double</td><td>0.8</td><td></td><td>low</td></tr>
+<tr>
+<td>ssl.cipher.suites</td><td>A list of cipher suites. This is a named combination of authentication, encryption, MAC and key exchange algorithm used to negotiate the security settings for a network connection using TLS or SSL network protocol. By default all the available cipher suites are supported.</td><td>list</td><td>null</td><td></td><td>low</td></tr>
+<tr>
+<td>ssl.endpoint.identification.algorithm</td><td>The endpoint identification algorithm to validate server hostname using server certificate. </td><td>string</td><td>null</td><td></td><td>low</td></tr>
+<tr>
+<td>ssl.keymanager.algorithm</td><td>The algorithm used by key manager factory for SSL connections. Default value is the key manager factory algorithm configured for the Java Virtual Machine.</td><td>string</td><td>SunX509</td><td></td><td>low</td></tr>
+<tr>
+<td>ssl.secure.random.implementation</td><td>The SecureRandom PRNG implementation to use for SSL cryptography operations. </td><td>string</td><td>null</td><td></td><td>low</td></tr>
+<tr>
+<td>ssl.trustmanager.algorithm</td><td>The algorithm used by trust manager factory for SSL connections. Default value is the trust manager factory algorithm configured for the Java Virtual Machine.</td><td>string</td><td>PKIX</td><td></td><td>low</td></tr>
+<tr>
+<td>transaction.timeout.ms</td><td>The maximum amount of time in ms that the transaction coordinator will wait for a transaction status update from the producer before proactively aborting the ongoing transaction.If this value is larger than the max.transaction.timeout.ms setting in the broker, the request will fail with a `InvalidTransactionTimeout` error.</td><td>int</td><td>60000</td><td></td><td>low</td></tr>
+<tr>
+<td>transactional.id</td><td>The TransactionalId to use for transactional delivery. This enables reliability semantics which span multiple producer sessions since it allows the client to guarantee that transactions using the same TransactionalId have been completed prior to starting any new transactions. If no TransactionalId is provided, then the producer is limited to idempotent delivery. Note that enable.idempotence must be enabled if a TransactionalId is configured. The default is empty, which means transactions cannot be used.</td><td>string</td><td>null</td><td>non-empty string</td><td>low</td></tr>
+</tbody></table>
http://git-wip-us.apache.org/repos/asf/kafka-site/blob/cb024c13/100/generated/producer_metrics.html
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+<table class="data-table"><tbody>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.producer:type=producer-metrics,client-id="{client-id}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>batch-size-avg</td><td>The average number of bytes sent per partition per-request.</td></tr>
+<tr>
+<td></td><td>batch-size-max</td><td>The max number of bytes sent per partition per-request.</td></tr>
+<tr>
+<td></td><td>batch-split-rate</td><td>The average number of batch splits per second</td></tr>
+<tr>
+<td></td><td>batch-split-total</td><td>The total number of batch splits</td></tr>
+<tr>
+<td></td><td>compression-rate-avg</td><td>The average compression rate of record batches.</td></tr>
+<tr>
+<td></td><td>metadata-age</td><td>The age in seconds of the current producer metadata being used.</td></tr>
+<tr>
+<td></td><td>produce-throttle-time-avg</td><td>The average time in ms a request was throttled by a broker</td></tr>
+<tr>
+<td></td><td>produce-throttle-time-max</td><td>The maximum time in ms a request was throttled by a broker</td></tr>
+<tr>
+<td></td><td>record-error-rate</td><td>The average per-second number of record sends that resulted in errors</td></tr>
+<tr>
+<td></td><td>record-error-total</td><td>The total number of record sends that resulted in errors</td></tr>
+<tr>
+<td></td><td>record-queue-time-avg</td><td>The average time in ms record batches spent in the send buffer.</td></tr>
+<tr>
+<td></td><td>record-queue-time-max</td><td>The maximum time in ms record batches spent in the send buffer.</td></tr>
+<tr>
+<td></td><td>record-retry-rate</td><td>The average per-second number of retried record sends</td></tr>
+<tr>
+<td></td><td>record-retry-total</td><td>The total number of retried record sends</td></tr>
+<tr>
+<td></td><td>record-send-rate</td><td>The average number of records sent per second.</td></tr>
+<tr>
+<td></td><td>record-send-total</td><td>The total number of records sent.</td></tr>
+<tr>
+<td></td><td>record-size-avg</td><td>The average record size</td></tr>
+<tr>
+<td></td><td>record-size-max</td><td>The maximum record size</td></tr>
+<tr>
+<td></td><td>records-per-request-avg</td><td>The average number of records per request.</td></tr>
+<tr>
+<td></td><td>request-latency-avg</td><td>The average request latency in ms</td></tr>
+<tr>
+<td></td><td>request-latency-max</td><td>The maximum request latency in ms</td></tr>
+<tr>
+<td></td><td>requests-in-flight</td><td>The current number of in-flight requests awaiting a response.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.producer:type=producer-topic-metrics,client-id="{client-id}",topic="{topic}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>byte-rate</td><td>The average number of bytes sent per second for a topic.</td></tr>
+<tr>
+<td></td><td>byte-total</td><td>The total number of bytes sent for a topic.</td></tr>
+<tr>
+<td></td><td>compression-rate</td><td>The average compression rate of record batches for a topic.</td></tr>
+<tr>
+<td></td><td>record-error-rate</td><td>The average per-second number of record sends that resulted in errors for a topic</td></tr>
+<tr>
+<td></td><td>record-error-total</td><td>The total number of record sends that resulted in errors for a topic</td></tr>
+<tr>
+<td></td><td>record-retry-rate</td><td>The average per-second number of retried record sends for a topic</td></tr>
+<tr>
+<td></td><td>record-retry-total</td><td>The total number of retried record sends for a topic</td></tr>
+<tr>
+<td></td><td>record-send-rate</td><td>The average number of records sent per second for a topic.</td></tr>
+<tr>
+<td></td><td>record-send-total</td><td>The total number of records sent for a topic.</td></tr>
+</tbody></table>
http://git-wip-us.apache.org/repos/asf/kafka-site/blob/cb024c13/100/generated/protocol_api_keys.html
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+<table class="data-table"><tbody>
+<tr><th>Name</th>
+<th>Key</th>
+</tr><tr>
+<td><a href="#The_Messages_Produce">Produce</a></td><td>0</td></tr>
+<tr>
+<td><a href="#The_Messages_Fetch">Fetch</a></td><td>1</td></tr>
+<tr>
+<td><a href="#The_Messages_ListOffsets">ListOffsets</a></td><td>2</td></tr>
+<tr>
+<td><a href="#The_Messages_Metadata">Metadata</a></td><td>3</td></tr>
+<tr>
+<td><a href="#The_Messages_LeaderAndIsr">LeaderAndIsr</a></td><td>4</td></tr>
+<tr>
+<td><a href="#The_Messages_StopReplica">StopReplica</a></td><td>5</td></tr>
+<tr>
+<td><a href="#The_Messages_UpdateMetadata">UpdateMetadata</a></td><td>6</td></tr>
+<tr>
+<td><a href="#The_Messages_ControlledShutdown">ControlledShutdown</a></td><td>7</td></tr>
+<tr>
+<td><a href="#The_Messages_OffsetCommit">OffsetCommit</a></td><td>8</td></tr>
+<tr>
+<td><a href="#The_Messages_OffsetFetch">OffsetFetch</a></td><td>9</td></tr>
+<tr>
+<td><a href="#The_Messages_FindCoordinator">FindCoordinator</a></td><td>10</td></tr>
+<tr>
+<td><a href="#The_Messages_JoinGroup">JoinGroup</a></td><td>11</td></tr>
+<tr>
+<td><a href="#The_Messages_Heartbeat">Heartbeat</a></td><td>12</td></tr>
+<tr>
+<td><a href="#The_Messages_LeaveGroup">LeaveGroup</a></td><td>13</td></tr>
+<tr>
+<td><a href="#The_Messages_SyncGroup">SyncGroup</a></td><td>14</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeGroups">DescribeGroups</a></td><td>15</td></tr>
+<tr>
+<td><a href="#The_Messages_ListGroups">ListGroups</a></td><td>16</td></tr>
+<tr>
+<td><a href="#The_Messages_SaslHandshake">SaslHandshake</a></td><td>17</td></tr>
+<tr>
+<td><a href="#The_Messages_ApiVersions">ApiVersions</a></td><td>18</td></tr>
+<tr>
+<td><a href="#The_Messages_CreateTopics">CreateTopics</a></td><td>19</td></tr>
+<tr>
+<td><a href="#The_Messages_DeleteTopics">DeleteTopics</a></td><td>20</td></tr>
+<tr>
+<td><a href="#The_Messages_DeleteRecords">DeleteRecords</a></td><td>21</td></tr>
+<tr>
+<td><a href="#The_Messages_InitProducerId">InitProducerId</a></td><td>22</td></tr>
+<tr>
+<td><a href="#The_Messages_OffsetForLeaderEpoch">OffsetForLeaderEpoch</a></td><td>23</td></tr>
+<tr>
+<td><a href="#The_Messages_AddPartitionsToTxn">AddPartitionsToTxn</a></td><td>24</td></tr>
+<tr>
+<td><a href="#The_Messages_AddOffsetsToTxn">AddOffsetsToTxn</a></td><td>25</td></tr>
+<tr>
+<td><a href="#The_Messages_EndTxn">EndTxn</a></td><td>26</td></tr>
+<tr>
+<td><a href="#The_Messages_WriteTxnMarkers">WriteTxnMarkers</a></td><td>27</td></tr>
+<tr>
+<td><a href="#The_Messages_TxnOffsetCommit">TxnOffsetCommit</a></td><td>28</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeAcls">DescribeAcls</a></td><td>29</td></tr>
+<tr>
+<td><a href="#The_Messages_CreateAcls">CreateAcls</a></td><td>30</td></tr>
+<tr>
+<td><a href="#The_Messages_DeleteAcls">DeleteAcls</a></td><td>31</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeConfigs">DescribeConfigs</a></td><td>32</td></tr>
+<tr>
+<td><a href="#The_Messages_AlterConfigs">AlterConfigs</a></td><td>33</td></tr>
+<tr>
+<td><a href="#The_Messages_AlterReplicaLogDirs">AlterReplicaLogDirs</a></td><td>34</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeLogDirs">DescribeLogDirs</a></td><td>35</td></tr>
+<tr>
+<td><a href="#The_Messages_SaslAuthenticate">SaslAuthenticate</a></td><td>36</td></tr>
+<tr>
+<td><a href="#The_Messages_CreatePartitions">CreatePartitions</a></td><td>37</td></tr>
+</table>
+
http://git-wip-us.apache.org/repos/asf/kafka-site/blob/cb024c13/100/generated/protocol_errors.html
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+<table class="data-table"><tbody>
+<tr><th>Error</th>
+<th>Code</th>
+<th>Retriable</th>
+<th>Description</th>
+</tr>
+<tr><td>UNKNOWN_SERVER_ERROR</td><td>-1</td><td>False</td><td>The server experienced an unexpected error when processing the request</td></tr>
+<tr><td>NONE</td><td>0</td><td>False</td><td></td></tr>
+<tr><td>OFFSET_OUT_OF_RANGE</td><td>1</td><td>False</td><td>The requested offset is not within the range of offsets maintained by the server.</td></tr>
+<tr><td>CORRUPT_MESSAGE</td><td>2</td><td>True</td><td>This message has failed its CRC checksum, exceeds the valid size, or is otherwise corrupt.</td></tr>
+<tr><td>UNKNOWN_TOPIC_OR_PARTITION</td><td>3</td><td>True</td><td>This server does not host this topic-partition.</td></tr>
+<tr><td>INVALID_FETCH_SIZE</td><td>4</td><td>False</td><td>The requested fetch size is invalid.</td></tr>
+<tr><td>LEADER_NOT_AVAILABLE</td><td>5</td><td>True</td><td>There is no leader for this topic-partition as we are in the middle of a leadership election.</td></tr>
+<tr><td>NOT_LEADER_FOR_PARTITION</td><td>6</td><td>True</td><td>This server is not the leader for that topic-partition.</td></tr>
+<tr><td>REQUEST_TIMED_OUT</td><td>7</td><td>True</td><td>The request timed out.</td></tr>
+<tr><td>BROKER_NOT_AVAILABLE</td><td>8</td><td>False</td><td>The broker is not available.</td></tr>
+<tr><td>REPLICA_NOT_AVAILABLE</td><td>9</td><td>False</td><td>The replica is not available for the requested topic-partition</td></tr>
+<tr><td>MESSAGE_TOO_LARGE</td><td>10</td><td>False</td><td>The request included a message larger than the max message size the server will accept.</td></tr>
+<tr><td>STALE_CONTROLLER_EPOCH</td><td>11</td><td>False</td><td>The controller moved to another broker.</td></tr>
+<tr><td>OFFSET_METADATA_TOO_LARGE</td><td>12</td><td>False</td><td>The metadata field of the offset request was too large.</td></tr>
+<tr><td>NETWORK_EXCEPTION</td><td>13</td><td>True</td><td>The server disconnected before a response was received.</td></tr>
+<tr><td>COORDINATOR_LOAD_IN_PROGRESS</td><td>14</td><td>True</td><td>The coordinator is loading and hence can't process requests.</td></tr>
+<tr><td>COORDINATOR_NOT_AVAILABLE</td><td>15</td><td>True</td><td>The coordinator is not available.</td></tr>
+<tr><td>NOT_COORDINATOR</td><td>16</td><td>True</td><td>This is not the correct coordinator.</td></tr>
+<tr><td>INVALID_TOPIC_EXCEPTION</td><td>17</td><td>False</td><td>The request attempted to perform an operation on an invalid topic.</td></tr>
+<tr><td>RECORD_LIST_TOO_LARGE</td><td>18</td><td>False</td><td>The request included message batch larger than the configured segment size on the server.</td></tr>
+<tr><td>NOT_ENOUGH_REPLICAS</td><td>19</td><td>True</td><td>Messages are rejected since there are fewer in-sync replicas than required.</td></tr>
+<tr><td>NOT_ENOUGH_REPLICAS_AFTER_APPEND</td><td>20</td><td>True</td><td>Messages are written to the log, but to fewer in-sync replicas than required.</td></tr>
+<tr><td>INVALID_REQUIRED_ACKS</td><td>21</td><td>False</td><td>Produce request specified an invalid value for required acks.</td></tr>
+<tr><td>ILLEGAL_GENERATION</td><td>22</td><td>False</td><td>Specified group generation id is not valid.</td></tr>
+<tr><td>INCONSISTENT_GROUP_PROTOCOL</td><td>23</td><td>False</td><td>The group member's supported protocols are incompatible with those of existing members or first group member tried to join with empty protocol type or empty protocol list.</td></tr>
+<tr><td>INVALID_GROUP_ID</td><td>24</td><td>False</td><td>The configured groupId is invalid</td></tr>
+<tr><td>UNKNOWN_MEMBER_ID</td><td>25</td><td>False</td><td>The coordinator is not aware of this member.</td></tr>
+<tr><td>INVALID_SESSION_TIMEOUT</td><td>26</td><td>False</td><td>The session timeout is not within the range allowed by the broker (as configured by group.min.session.timeout.ms and group.max.session.timeout.ms).</td></tr>
+<tr><td>REBALANCE_IN_PROGRESS</td><td>27</td><td>False</td><td>The group is rebalancing, so a rejoin is needed.</td></tr>
+<tr><td>INVALID_COMMIT_OFFSET_SIZE</td><td>28</td><td>False</td><td>The committing offset data size is not valid</td></tr>
+<tr><td>TOPIC_AUTHORIZATION_FAILED</td><td>29</td><td>False</td><td>Not authorized to access topics: [Topic authorization failed.]</td></tr>
+<tr><td>GROUP_AUTHORIZATION_FAILED</td><td>30</td><td>False</td><td>Not authorized to access group: Group authorization failed.</td></tr>
+<tr><td>CLUSTER_AUTHORIZATION_FAILED</td><td>31</td><td>False</td><td>Cluster authorization failed.</td></tr>
+<tr><td>INVALID_TIMESTAMP</td><td>32</td><td>False</td><td>The timestamp of the message is out of acceptable range.</td></tr>
+<tr><td>UNSUPPORTED_SASL_MECHANISM</td><td>33</td><td>False</td><td>The broker does not support the requested SASL mechanism.</td></tr>
+<tr><td>ILLEGAL_SASL_STATE</td><td>34</td><td>False</td><td>Request is not valid given the current SASL state.</td></tr>
+<tr><td>UNSUPPORTED_VERSION</td><td>35</td><td>False</td><td>The version of API is not supported.</td></tr>
+<tr><td>TOPIC_ALREADY_EXISTS</td><td>36</td><td>False</td><td>Topic with this name already exists.</td></tr>
+<tr><td>INVALID_PARTITIONS</td><td>37</td><td>False</td><td>Number of partitions is invalid.</td></tr>
+<tr><td>INVALID_REPLICATION_FACTOR</td><td>38</td><td>False</td><td>Replication-factor is invalid.</td></tr>
+<tr><td>INVALID_REPLICA_ASSIGNMENT</td><td>39</td><td>False</td><td>Replica assignment is invalid.</td></tr>
+<tr><td>INVALID_CONFIG</td><td>40</td><td>False</td><td>Configuration is invalid.</td></tr>
+<tr><td>NOT_CONTROLLER</td><td>41</td><td>True</td><td>This is not the correct controller for this cluster.</td></tr>
+<tr><td>INVALID_REQUEST</td><td>42</td><td>False</td><td>This most likely occurs because of a request being malformed by the client library or the message was sent to an incompatible broker. See the broker logs for more details.</td></tr>
+<tr><td>UNSUPPORTED_FOR_MESSAGE_FORMAT</td><td>43</td><td>False</td><td>The message format version on the broker does not support the request.</td></tr>
+<tr><td>POLICY_VIOLATION</td><td>44</td><td>False</td><td>Request parameters do not satisfy the configured policy.</td></tr>
+<tr><td>OUT_OF_ORDER_SEQUENCE_NUMBER</td><td>45</td><td>False</td><td>The broker received an out of order sequence number</td></tr>
+<tr><td>DUPLICATE_SEQUENCE_NUMBER</td><td>46</td><td>False</td><td>The broker received a duplicate sequence number</td></tr>
+<tr><td>INVALID_PRODUCER_EPOCH</td><td>47</td><td>False</td><td>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.</td></tr>
+<tr><td>INVALID_TXN_STATE</td><td>48</td><td>False</td><td>The producer attempted a transactional operation in an invalid state</td></tr>
+<tr><td>INVALID_PRODUCER_ID_MAPPING</td><td>49</td><td>False</td><td>The producer attempted to use a producer id which is not currently assigned to its transactional id</td></tr>
+<tr><td>INVALID_TRANSACTION_TIMEOUT</td><td>50</td><td>False</td><td>The transaction timeout is larger than the maximum value allowed by the broker (as configured by max.transaction.timeout.ms).</td></tr>
+<tr><td>CONCURRENT_TRANSACTIONS</td><td>51</td><td>False</td><td>The producer attempted to update a transaction while another concurrent operation on the same transaction was ongoing</td></tr>
+<tr><td>TRANSACTION_COORDINATOR_FENCED</td><td>52</td><td>False</td><td>Indicates that the transaction coordinator sending a WriteTxnMarker is no longer the current coordinator for a given producer</td></tr>
+<tr><td>TRANSACTIONAL_ID_AUTHORIZATION_FAILED</td><td>53</td><td>False</td><td>Transactional Id authorization failed</td></tr>
+<tr><td>SECURITY_DISABLED</td><td>54</td><td>False</td><td>Security features are disabled.</td></tr>
+<tr><td>OPERATION_NOT_ATTEMPTED</td><td>55</td><td>False</td><td>The broker did not attempt to execute this operation. This may happen for batched RPCs where some operations in the batch failed, causing the broker to respond without trying the rest.</td></tr>
+<tr><td>KAFKA_STORAGE_ERROR</td><td>56</td><td>True</td><td>Disk error when trying to access log file on the disk.</td></tr>
+<tr><td>LOG_DIR_NOT_FOUND</td><td>57</td><td>False</td><td>The user-specified log directory is not found in the broker config.</td></tr>
+<tr><td>SASL_AUTHENTICATION_FAILED</td><td>58</td><td>False</td><td>SASL Authentication failed.</td></tr>
+<tr><td>UNKNOWN_PRODUCER_ID</td><td>59</td><td>False</td><td>This exception is raised by the broker if it could not locate the producer metadata associated with the producerId in question. This could happen if, for instance, the producer's records were deleted because their retention time had elapsed. Once the last records of the producerId are removed, the producer's metadata is removed from the broker, and future appends by the producer will return this exception.</td></tr>
+<tr><td>REASSIGNMENT_IN_PROGRESS</td><td>60</td><td>False</td><td>A partition reassignment is in progress</td></tr>
+</table>
+