ELK data note index creating taking to much time

it failed to fetch the data, even after install GET package.

-bash: GET: command not found

One information required, below query is health check output
"status" : "red",
"timed_out" : false,
"number_of_nodes" : 8,
"number_of_data_nodes" : 3,
"active_primary_shards" : 883,
"active_shards" : 1131,
"relocating_shards" : 0,
"initializing_shards" : 6,
"unassigned_shards" : 685,
"delayed_unassigned_shards" : 0,
"number_of_pending_tasks" : 0,
"number_of_in_flight_fetch" : 543,
"task_max_waiting_in_queue_millis" : 0,
"active_shards_percent_as_number" : 62.07464324917673

after how much percentage it shows red to yellow and green