New Config Values for Detections Bulk Indexer

`maxScrollSize` defines the "page size" of each scroll request.

`bulkIndexerWorkerCount` defines how many worker threads a bulk indexer should use. 0 or fewer indicates that 1 thread per CPU core should be used.

salt/soc/defaults.yaml

@@ -1366,6 +1366,8 @@ soc:
           maxLogLength: 1024
           asyncThreshold: 10
           lookupTunnelParent: true
+          maxScrollSize: 10000
+          bulkIndexerWorkerCount: -1
         influxdb:
           hostUrl:
           token:

salt/soc/soc_soc.yaml

@@ -174,6 +174,10 @@ soc:
           lookupTunnelParent:
             description: When true, if a pivoted event appears to be encapsulated, such as in a VXLAN packet, then SOC will pivot to the VXLAN packet stream. When false, SOC will attempt to pivot to the encapsulated packet stream itself, but at the risk that it may be unable to locate it in the stored PCAP data.
             global: True
+          maxScrollSize:
+            description: The maximum number of documents to request in a single Elasticsearch scroll request.
+          bulkIndexWorkerCount:
+            description: The number of worker threads to use when bulk indexing data into Elasticsearch. A value below 1 will default to the number of CPUs available.
         sostatus:
           refreshIntervalMs:
             description: Duration (in milliseconds) between refreshes of the grid status. Shortening this duration may not have expected results, as the backend systems feeding this sostatus data will continue their updates as scheduled.