High Performance Erlang Kafka Producer
- Backpressure via backlog (OOM protection)
- Compression support (snappy)
- Performance optimized
- Topic buffering (delay, size)
| Name | Type | Default | Description |
|---|---|---|---|
| broker_bootstrap_servers | [{inet:ip_address() | inet:hostname(), inet:port_number()}] | [{"127.0.0.1", 9092}] | Bootstrap servers used to query topic metadata |
| broker_pool_size | pos_integer() | 4 | Number of connections per broker |
| broker_pool_strategy | random | round_robin | random | Broker connection selection strategy |
| broker_reconnect | boolean() | true | Reconnect closed broker connections |
| broker_reconnect_time_max | pos_integer() | infinity | 120000 (120s) | Maximum reconnect time (milliseconds) |
| broker_reconnect_time_min | non_neg_integer() | 2000 (2s) | Minimum reconnect time (milliseconds) |
| query_api_versions | boolean() | true | Set to false when using Kafka version 0.9 or less |
| Name | Type | Default | Description |
|---|---|---|---|
| acks | -1..1 | all_isr | none | leader_only | 1 | Number of acknowledgements required for a succeful produce |
| buffer_delay | pos_integer() | 1000 (1s) | Maximun delay (milliseconds) before flushing the buffer |
| buffer_size | pos_integer() | 100000 | Maximun buffer size before flushing |
| compression | no_compression | gzip | snappy | gzip | Compression configuration |
| metadata_delay | pos_integer() | 300000 (300 s) | Maximun delay (milliseconds) before reloading metadata |
| pool_size | pos_integer() | 2 | Number of topic buffer proccesses |
1> flare_app:start().
{ok, [metal, compiler, syntax_tools, foil, granderl, shackle, flare]}
2> flare_topic:start(<<"my_topic">>, [{compression, snappy}]).
ok
3> Timestamp = flare_utils:timestamp().
1548011068201
4> flare:produce(<<"my_topic">>, Timestamp, <<"key">>, <<"value">>, [], 500).
ok
5> {ok, ReqId} = flare:async_produce(<<"my_topic">>, Timestamp, <<"key">>, <<"value">>, [], self()).
{ok, {{1548, 11081, 884262}, <0.349.0>}}
6> flare:receive_response(ReqId, 500).
ok
7> flare:receive_response(ReqId, 500).
ok
8> flare_topic:stop(<<"my_topic">>).
okmake dialyzer
make elvis
make eunit
make xrefTo run the profile target you must first start kafka:
./bin/zookeeper-server-start.sh config/zookeeper.properties &
./bin/kafka-server-start.sh config/server.properties &
Then you can run the profile target:
make profileThe MIT License (MIT)
Copyright (c) 2016-2019 Louis-Philippe Gauthier
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