diff options
Diffstat (limited to 'kafka/producer.py')
| -rw-r--r-- | kafka/producer.py | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/kafka/producer.py b/kafka/producer.py index 8f35963..9ecb341 100644 --- a/kafka/producer.py +++ b/kafka/producer.py @@ -11,7 +11,10 @@ from multiprocessing import Queue, Process from kafka.common import ProduceRequest, TopicAndPartition from kafka.partitioner import HashedPartitioner -from kafka.protocol import create_message +from kafka.protocol import ( + CODEC_NONE, CODEC_GZIP, CODEC_SNAPPY, ALL_CODECS, + create_message, create_gzip_message, create_snappy_message, +) log = logging.getLogger("kafka") @@ -21,7 +24,7 @@ BATCH_SEND_MSG_COUNT = 20 STOP_ASYNC_PRODUCER = -1 -def _send_upstream(queue, client, batch_time, batch_size, +def _send_upstream(queue, client, codec, batch_time, batch_size, req_acks, ack_timeout): """ Listen on the queue for a specified number of messages or till @@ -62,7 +65,14 @@ def _send_upstream(queue, client, batch_time, batch_size, # Send collected requests upstream reqs = [] - for topic_partition, messages in msgset.items(): + for topic_partition, msg in msgset.items(): + if codec == CODEC_GZIP: + messages = [create_gzip_message(msg)] + elif codec == CODEC_SNAPPY: + messages = [create_snappy_message(msg)] + else: + messages = [create_message(m) for m in msg] + req = ProduceRequest(topic_partition.topic, topic_partition.partition, messages) @@ -102,6 +112,7 @@ class Producer(object): def __init__(self, client, async=False, req_acks=ACK_AFTER_LOCAL_WRITE, ack_timeout=DEFAULT_ACK_TIMEOUT, + codec=None, batch_send=False, batch_send_every_n=BATCH_SEND_MSG_COUNT, batch_send_every_t=BATCH_SEND_DEFAULT_INTERVAL): @@ -119,11 +130,17 @@ class Producer(object): self.req_acks = req_acks self.ack_timeout = ack_timeout + if codec is None: + codec = CODEC_NONE + assert codec in ALL_CODECS + self.codec = codec + if self.async: self.queue = Queue() # Messages are sent through this queue self.proc = Process(target=_send_upstream, args=(self.queue, self.client.copy(), + self.codec, batch_send_every_t, batch_send_every_n, self.req_acks, @@ -139,11 +156,16 @@ class Producer(object): """ if self.async: for m in msg: - self.queue.put((TopicAndPartition(topic, partition), - create_message(m))) + self.queue.put((TopicAndPartition(topic, partition), m)) resp = [] else: - messages = [create_message(m) for m in msg] + if self.codec == CODEC_GZIP: + messages = [create_gzip_message(msg)] + elif self.codec == CODEC_SNAPPY: + messages = [create_snappy_message(msg)] + else: + messages = [create_message(m) for m in msg] + req = ProduceRequest(topic, partition, messages) try: resp = self.client.send_produce_request([req], acks=self.req_acks, @@ -168,7 +190,7 @@ class Producer(object): class SimpleProducer(Producer): """ - A simple, round-robbin producer. Each message goes to exactly one partition + A simple, round-robin producer. Each message goes to exactly one partition Params: client - The Kafka client instance to use @@ -189,6 +211,7 @@ class SimpleProducer(Producer): def __init__(self, client, async=False, req_acks=Producer.ACK_AFTER_LOCAL_WRITE, ack_timeout=Producer.DEFAULT_ACK_TIMEOUT, + codec=None, batch_send=False, batch_send_every_n=BATCH_SEND_MSG_COUNT, batch_send_every_t=BATCH_SEND_DEFAULT_INTERVAL, @@ -196,7 +219,7 @@ class SimpleProducer(Producer): self.partition_cycles = {} self.random_start = random_start super(SimpleProducer, self).__init__(client, async, req_acks, - ack_timeout, batch_send, + ack_timeout, codec, batch_send, batch_send_every_n, batch_send_every_t) @@ -241,6 +264,7 @@ class KeyedProducer(Producer): def __init__(self, client, partitioner=None, async=False, req_acks=Producer.ACK_AFTER_LOCAL_WRITE, ack_timeout=Producer.DEFAULT_ACK_TIMEOUT, + codec=None, batch_send=False, batch_send_every_n=BATCH_SEND_MSG_COUNT, batch_send_every_t=BATCH_SEND_DEFAULT_INTERVAL): @@ -250,7 +274,7 @@ class KeyedProducer(Producer): self.partitioners = {} super(KeyedProducer, self).__init__(client, async, req_acks, - ack_timeout, batch_send, + ack_timeout, codec, batch_send, batch_send_every_n, batch_send_every_t) |