Add config option beat.max_procs

CHANGELOG.asciidoc

@@ -62,6 +62,7 @@ https://github.com/elastic/beats/compare/v1.1.0...master[Check the HEAD diff]
 - Add option to elasticsearch output to pass http parameters in index operations {issue}805[805]
 - Improve logstash and elasticsearch backoff behavior. {pull}927[927]
 - Add experimental Kafka output. {pull}942[942]
+- Add config file option to configure GOMAXPROCS. {pull}969[969]
 
 *Packetbeat*
 - Change the DNS library used throughout the dns package to github.com/miekg/dns. {pull}803[803]

filebeat/filebeat.yml

@@ -376,6 +376,10 @@ shipper:
   # Internal queue size for single events in processing pipeline
   #queue_size: 1000
 
+  # Sets the maximum number of CPUs that can be executing simultaneously. The
+  # default is the number of logical CPUs available in the system.
+  #max_procs:
+
   # Configure local GeoIP database support.
   # If no paths are not configured geoip is disabled.
   #geoip:

libbeat/beat/beat.go

@@ -220,6 +220,13 @@ func (b *Beat) LoadConfig() error {
 
 	logp.Debug("beat", "Initializing output plugins")
 
+	if b.Config.Shipper.MaxProcs != nil {
+		maxProcs := *b.Config.Shipper.MaxProcs
+		if maxProcs > 0 {
+			runtime.GOMAXPROCS(maxProcs)
+		}
+	}
+
 	pub, err := publisher.New(b.Name, b.Config.Output, b.Config.Shipper)
 	if err != nil {
 		return fmt.Errorf("error Initialising publisher: %v\n", err)

libbeat/docs/shipperconfig.asciidoc

@@ -153,6 +153,11 @@ value is 1000.
 
 (DO NOT TOUCH) The internal queue size for bulk events in the processing pipeline. The default value is 0.
 
+===== max_procs
+
+Sets the maximum number of CPUs that can be executing simultaneously. The
+default is the number of logical CPUs available in the system.
+
 ===== geoip.paths
 
 This configuration option is currently used by Packetbeat only.

libbeat/etc/libbeat.yml

@@ -205,6 +205,10 @@ shipper:
   # Internal queue size for single events in processing pipeline
   #queue_size: 1000
 
+  # Sets the maximum number of CPUs that can be executing simultaneously. The
+  # default is the number of logical CPUs available in the system.
+  #max_procs:
+
   # Configure local GeoIP database support.
   # If no paths are not configured geoip is disabled.
   #geoip:

libbeat/publisher/publish.go

@@ -86,6 +86,8 @@ type ShipperConfig struct {
 	// internal publisher queue sizes
 	QueueSize     *int `yaml:"queue_size"`
 	BulkQueueSize *int `yaml:"bulk_queue_size"`
+
+	MaxProcs *int `yaml:"max_procs"`
 }
 
 type Topology struct {

metricbeat/metricbeat.yml

@@ -5,8 +5,7 @@ metricbeat:
     #    expvar:
     #      period: 10s
     apache:
-      hosts:
-       - "http://192.168.99.100/"
+      hosts: "http://127.0.0.1/"
       metricsets:
         status:
           period: 1s
@@ -40,7 +39,7 @@ output:
     # Scheme and port can be left out and will be set to the default (http and 9200)
     # In case you specify and additional path, the scheme is required: http://localhost:9200/path
     # IPv6 addresses should always be defined as: https://[2001:db8::1]:9200
-    hosts: ["192.168.99.100:9200"]
+    hosts: ["localhost:9200"]
 
     # Optional protocol and basic auth credentials.
     #protocol: "https"
@@ -231,6 +230,10 @@ shipper:
   # Internal queue size for single events in processing pipeline
   #queue_size: 1000
 
+  # Sets the maximum number of CPUs that can be executing simultaneously. The
+  # default is the number of logical CPUs available in the system.
+  #max_procs:
+
   # Configure local GeoIP database support.
   # If no paths are not configured geoip is disabled.
   #geoip:

packetbeat/packetbeat.yml

@@ -348,6 +348,10 @@ shipper:
   # Internal queue size for single events in processing pipeline
   #queue_size: 1000
 
+  # Sets the maximum number of CPUs that can be executing simultaneously. The
+  # default is the number of logical CPUs available in the system.
+  #max_procs:
+
   # Configure local GeoIP database support.
   # If no paths are not configured geoip is disabled.
   #geoip:

topbeat/topbeat.yml

@@ -231,6 +231,10 @@ shipper:
   # Internal queue size for single events in processing pipeline
   #queue_size: 1000
 
+  # Sets the maximum number of CPUs that can be executing simultaneously. The
+  # default is the number of logical CPUs available in the system.
+  #max_procs:
+
   # Configure local GeoIP database support.
   # If no paths are not configured geoip is disabled.
   #geoip:

winlogbeat/winlogbeat.yml

@@ -230,6 +230,10 @@ shipper:
   # Internal queue size for single events in processing pipeline
   #queue_size: 1000
 
+  # Sets the maximum number of CPUs that can be executing simultaneously. The
+  # default is the number of logical CPUs available in the system.
+  #max_procs:
+
   # Configure local GeoIP database support.
   # If no paths are not configured geoip is disabled.
   #geoip: