fix logical cursor assuming a context metadata must exist on data

now is has become non-mandatory ... This behavior is subject to future changes

elasticdump.command

@@ -1,3 +1,20 @@
+## Sample dump tools & API used to import and backup indices
+
+## ElasticDump - a nodeJS based app
+## https://www.npmjs.com/package/elasticdump
+## usage: npm i elasticdump
+
+## elasticdump works by sending an input to an output. Both can be either an elasticsearch URL or a File.
+
+## Elasticsearch:
+## format: {protocol}://{host}:{port}/{index}
+## example: http://127.0.0.1:9200/my_index
+## File:
+## format: {FilePath}
+## example: /Users/evantahler/Desktop/dump.json
+## Stdio:
+## format: stdin / stdout
+## format: $
 
 elasticdump \
  --input=e0.json \
@@ -10,4 +27,24 @@ elasticdump \
  --output=out.json \
  --type=data
 
+
+
+## Bulk API -
+## The bulk API makes it possible to perform many index/delete operations in a single API call.
+## This can greatly increase the indexing speed.
+
+# The REST API endpoint is /_bulk, and it expects the following newline delimited JSON (NDJSON) structure:
+# action_and_meta_data\n
+# optional_source\n
+# action_and_meta_data\n
+# optional_source\n
+# ....
+# action_and_meta_data\n
+# optional_source\n
+
+# NOTE: The final line of data must end with a newline character \n.
+
+# https://kb.objectrocket.com/elasticsearch/how-to-bulk-import-into-elasticsearch-using-curl
+# https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-bulk.html
+
 curl -H 'Content-Type: application/x-ndjson' -XPOST 'localhost:9200/e0/pge/_bulk?pretty' --data-binary @accounts.json