docs - update BatchSpanProcessor example config (#2045)

Update config options to those introduced in 9f965b0

Signed-off-by: Neil Fordyce <neil.fordyce@skyscanner.net>

packages/opentelemetry-exporter-collector/README.md

@@ -31,10 +31,14 @@ const collectorOptions = {
 const provider = new WebTracerProvider();
 const exporter = new CollectorTraceExporter(collectorOptions);
 provider.addSpanProcessor(new BatchSpanProcessor(exporter, {
-  // send spans as soon as we have this many
-  bufferSize: 10,
-  // send spans if we have buffered spans older than this
-  bufferTimeout: 500,
+  // The maximum queue size. After the size is reached spans are dropped.
+  maxQueueSize: 100,
+  // The maximum batch size of every export. It must be smaller or equal to maxQueueSize.
+  maxExportBatchSize: 10,
+  // The interval between two consecutive exports
+  scheduledDelayMillis: 500,
+  // How long the export can run before it is cancelled
+  exportTimeoutMillis: 30000,
 }));
 
 provider.register();
@@ -85,10 +89,10 @@ const collectorOptions = {
 const provider = new BasicTracerProvider();
 const exporter = new CollectorTraceExporter(collectorOptions);
 provider.addSpanProcessor(new BatchSpanProcessor(exporter, {
-  // send spans as soon as we have this many
-  bufferSize: 1000,
-  // send spans if we have buffered spans older than this
-  bufferTimeout: 30000,
+  // The maximum queue size. After the size is reached spans are dropped.
+  maxQueueSize: 1000,
+  // The interval between two consecutive exports
+  scheduledDelayMillis: 30000,
 }));
 
 provider.register();