./bin/esm  -s http://192.168.1.x:9200   -d http://192.168.1.y:9200 -x index_name  -w=5 -b=10 -c 10000

./bin/esm -s http://localhost:9200 -d http://localhost:9200 -x src_index -y dest_index -w=5 -b=100

./bin/esm -s http://localhost:9200 -x "src_index" -y "dest_index"  -d http://localhost:9201 -n admin:111111

./bin/esm -s http://localhost:9200 -x "src_index" -y "dest_index"  -d http://localhost:9201 -m admin:111111 -c 10000 --shards=50  --copy_settings

./bin/esm -s http://localhost:9200 -x "src_index" -q=query:phone -y "dest_index"  -d http://localhost:9201  -c 10000 --shards=5  --copy_settings --copy_mappings --force  --refresh

./bin/esm -s http://localhost:9200 -x "src_index"  -m admin:111111 -c 5000 -q=query:mixer  --refresh -o=dump.bin 

./bin/esm -d http://localhost:9200 -y "dest_index"   -n admin:111111 -c 5000 -b 5 --refresh -i=dump.bin

 ./bin/esm -d http://123345.ap-northeast-1.aws.found.io:9200 -y "dest_index"   -n admin:111111  -c 5000 -b 1 --refresh  -i dump.bin  --dest_proxy=http://127.0.0.1:9743

 ./bin/esm -s=http://192.168.3.206:9200 -d=http://localhost:9200 -n=elastic:changeme -f --copy_settings --copy_mappings -x=bestbuykaggle  --sliced_scroll_size=5 --shards=50 --refresh

./esm -s http://source_es:9200 -x "source_index*"  -u "doc" -w 10 -b 10 - -t "10m" -d https://target_es:9200 -m elastic:passwd -n elastic:passwd -c 5000 

./esm -s http://localhost:9201 -x "source" -y "target"  -d https://localhost:9200 --rename="_type:type,age:myage"  -u"_doc"

./esm -s https://192.168.3.98:9200 -m elastic:password -o json.out -x kibana_sample_data_ecommerce -q "order_date:[2020-02-01T21:59:02+00:00 TO 2020-03-01T21:59:02+00:00]"

./bin/esm -i input.json -d  http://localhost:9201 -y target-index1  --regenerate_id  --repeat_times=10 

 ./bin/esm -s http://localhost:9201 -x my_index -o dump.json --fields=author,title

./bin/esm -i dump.json -d  http://localhost:9201 -y target-index41  --rename=title:newtitle

Usage:
  esm [OPTIONS]

Application Options:
  -s, --source=                    source elasticsearch instance, ie: http://localhost:9200
  -q, --query=                     query against source elasticsearch instance, filter data before migrate, ie: name:medcl
  -d, --dest=                      destination elasticsearch instance, ie: http://localhost:9201
  -m, --source_auth=               basic auth of source elasticsearch instance, ie: user:pass
  -n, --dest_auth=                 basic auth of target elasticsearch instance, ie: user:pass
  -c, --count=                     number of documents at a time: ie "size" in the scroll request (10000)
  -w, --workers=                   concurrency number for bulk workers (1)
  -b, --bulk_size=                 bulk size in MB (5)
  -t, --time=                      scroll time (1m)
      --sliced_scroll_size=        size of sliced scroll, to make it work, the size should be > 1 (1)
  -f, --force                      delete destination index before copying
  -a, --all                        copy indexes starting with . and _
      --copy_settings              copy index settings from source
      --copy_mappings              copy index mappings from source
      --shards=                    set a number of shards on newly created indexes
  -x, --src_indexes=               indexes name to copy,support regex and comma separated list (_all)
  -y, --dest_index=                indexes name to save, allow only one indexname, original indexname will be used if not specified
  -u, --type_override=             override type name
      --green                      wait for both hosts cluster status to be green before dump. otherwise yellow is okay
  -v, --log=                       setting log level,options:trace,debug,info,warn,error (INFO)
  -o, --output_file=               output documents of source index into local file
  -i, --input_file=                indexing from local dump file
      --input_file_type=           the data type of input file, options: dump, json_line, json_array, log_line (dump)
      --source_proxy=              set proxy to source http connections, ie: http://127.0.0.1:8080
      --dest_proxy=                set proxy to target http connections, ie: http://127.0.0.1:8080
      --refresh                    refresh after migration finished
      --fields=                    output fields, comma separated, ie: col1,col2,col3,...
      --rename=                    rename source fields while do bulk indexing, comma separated, ie: _type:type, name:myname
      --repeat_times=              repeat the data from source N times to dest output, use align with parameter regenerate_id to amplify the data size
  -r, --regenerate_id              regenerate id for documents, this will override the exist document id in data source

Help Options:
  -h, --help                       Show this help message