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Added isolation.level option to the ruby interface #328

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Added isolation.level option to the ruby interface #328

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5 changes: 5 additions & 0 deletions lib/logstash/inputs/kafka.rb
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Expand Up @@ -109,6 +109,10 @@ class LogStash::Inputs::Kafka < LogStash::Inputs::Base
# `session.timeout.ms`, but typically should be set no higher than 1/3 of that value.
# It can be adjusted even lower to control the expected time for normal rebalances.
config :heartbeat_interval_ms, :validate => :string
# If the producer uses transactions, we can make the client transaction aware by setting the isolation
# level to "read_committed": this value causes the client to wait to read transactional messages until
# the associated transaction has been committed.
config :isolation_level, :validate => ["read_committed", "read_uncommitted"], :default => "read_uncommitted"
# Java Class used to deserialize the record's key
config :key_deserializer_class, :validate => :string, :default => "org.apache.kafka.common.serialization.StringDeserializer"
# The maximum delay between invocations of poll() when using consumer group management. This places
Expand Down Expand Up @@ -300,6 +304,7 @@ def create_consumer(client_id)
props.put(kafka::FETCH_MIN_BYTES_CONFIG, fetch_min_bytes) unless fetch_min_bytes.nil?
props.put(kafka::GROUP_ID_CONFIG, group_id)
props.put(kafka::HEARTBEAT_INTERVAL_MS_CONFIG, heartbeat_interval_ms) unless heartbeat_interval_ms.nil?
props.put(kafka::ISOLATION_LEVEL_CONFIG, isolation_level)
props.put(kafka::KEY_DESERIALIZER_CLASS_CONFIG, key_deserializer_class)
props.put(kafka::MAX_PARTITION_FETCH_BYTES_CONFIG, max_partition_fetch_bytes) unless max_partition_fetch_bytes.nil?
props.put(kafka::MAX_POLL_RECORDS_CONFIG, max_poll_records) unless max_poll_records.nil?
Expand Down