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new 8c15047 Adding kafka 2.0 doc for using simple consumer (#4493)
8c15047 is described below
commit 8c15047b8f5f3d59634e2589c0b5e59d3efa5f7d
Author: Xiang Fu <[email protected]>
AuthorDate: Mon Aug 5 23:52:21 2019 +0800
Adding kafka 2.0 doc for using simple consumer (#4493)
---
docs/pluggable_streams.rst | 51 ++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 49 insertions(+), 2 deletions(-)
diff --git a/docs/pluggable_streams.rst b/docs/pluggable_streams.rst
index ff27cde..9ffaf54 100644
--- a/docs/pluggable_streams.rst
+++ b/docs/pluggable_streams.rst
@@ -162,7 +162,11 @@ How to build and release Pinot package with Kafka 2.x
connector
How to use Kafka 2.x connector
------------------------------
-Below is a sample `streamConfigs` used to create a realtime table with Kafka
Stream(High) level consumer:
+- **Use Kafka Stream(High) Level Consumer**
+
+Below is a sample ``streamConfigs`` used to create a realtime table with Kafka
Stream(High) level consumer.
+
+Kafka 2.x HLC consumer uses
``org.apache.pinot.core.realtime.impl.kafka2.KafkaConsumerFactory`` in config
``stream.kafka.consumer.factory.class.name``.
.. code-block:: none
@@ -177,10 +181,53 @@ Below is a sample `streamConfigs` used to create a
realtime table with Kafka Str
"stream.kafka.hlc.bootstrap.server": "localhost:19092"
}
+
+- **Use Kafka Partition(Low) Level Consumer**
+
+Below is a sample table config used to create a realtime table with Kafka
Partition(Low) level consumer:
+
+.. code-block:: none
+
+ {
+ "tableName": "meetupRsvp",
+ "tableType": "REALTIME",
+ "segmentsConfig": {
+ "timeColumnName": "mtime",
+ "timeType": "MILLISECONDS",
+ "segmentPushType": "APPEND",
+ "segmentAssignmentStrategy": "BalanceNumSegmentAssignmentStrategy",
+ "schemaName": "meetupRsvp",
+ "replication": "1",
+ "replicasPerPartition": "1"
+ },
+ "tenants": {},
+ "tableIndexConfig": {
+ "loadMode": "MMAP",
+ "streamConfigs": {
+ "streamType": "kafka",
+ "stream.kafka.consumer.type": "simple",
+ "stream.kafka.topic.name": "meetupRSVPEvents",
+ "stream.kafka.decoder.class.name":
"org.apache.pinot.core.realtime.impl.kafka.KafkaJSONMessageDecoder",
+ "stream.kafka.consumer.factory.class.name":
"org.apache.pinot.core.realtime.impl.kafka2.KafkaConsumerFactory",
+ "stream.kafka.zk.broker.url": "localhost:2191/kafka",
+ "stream.kafka.broker.list": "localhost:19092"
+ }
+ },
+ "metadata": {
+ "customConfigs": {}
+ }
+ }
+
+Please note:
+
+1. Config ``replicasPerPartition`` under ``segmentsConfig`` is required to
specify table replication.
+#. Config ``stream.kafka.consumer.type`` should be specified as ``simple`` to
use partition level consumer.
+#. Configs ``stream.kafka.zk.broker.url`` and ``stream.kafka.broker.list`` are
required under ``tableIndexConfig.streamConfigs`` to provide kafka related
information.
+
Upgrade from Kafka 0.9 connector to Kafka 2.x connector
-------------------------------------------------------
-* Update table config:
+* Update table config for both high level and low level consumer:
Update config: ``stream.kafka.consumer.factory.class.name`` from
``org.apache.pinot.core.realtime.impl.kafka.KafkaConsumerFactory`` to
``org.apache.pinot.core.realtime.impl.kafka2.KafkaConsumerFactory``.
* If using Stream(High) level consumer:
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