Add documentation to "threads" option (#95)

Co-authored-by: kaisecheng <[email protected]>
Co-authored-by: logstashmachine <[email protected]>

Author: 3 people

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 3.7.1
+  - Add documentation to "threads" option [#95](https://github.com/logstash-plugins/logstash-input-redis/pull/95)
+
 ## 3.7.0
   - Fix: better (Redis) exception handling [#89](https://github.com/logstash-plugins/logstash-input-redis/pull/89)
   - Test: start running integration specs on CI

docs/index.asciidoc

@@ -156,7 +156,10 @@ Enable SSL support.
   * Value type is <<number,number>>
   * Default value is `1`
 
+Number of instances of the input to start, each on its own thread.
+Increase from one to improve concurrency in consuming messages from Redis.
 
+NOTE: Increasing the number of threads when consuming from a channel will result in duplicate messages since a `SUBSCRIBE` delivers each message to all subscribers.
 
 [id="plugins-{type}s-{plugin}-timeout"]
 ===== `timeout`
@@ -169,4 +172,4 @@ Initial connection timeout in seconds.
 [id="plugins-{type}s-{plugin}-common-options"]
 include::{include_path}/{type}.asciidoc[]
 
-:default_codec!:
+:default_codec!:

logstash-input-redis.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-input-redis'
-  s.version         = '3.7.0'
+  s.version         = '3.7.1'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Reads events from a Redis instance"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"