lucene - Elasticsearch: Inconsistent number of shards in stats & cluster APIs -


i uploaded data single node cluster , named index 'gequest'.

when http://localhost:9200/_cluster/stats?human&pretty, get:

 "cluster_name" : "elasticsearch",   "status" : "yellow",   "indices" : {     "count" : 1,     "shards" : {       "total" : 5,       "primaries" : 5,       "replication" : 0.0,       "index" : {         "shards" : {           "min" : 5,           "max" : 5,           "avg" : 5.0         },         "primaries" : {           "min" : 5,           "max" : 5,           "avg" : 5.0         },         "replication" : {           "min" : 0.0,           "max" : 0.0,           "avg" : 0.0         }       }     }

when on http://localhost:9200/_stats?pretty=true

"_shards" : {     "total" : 10,     "successful" : 5,     "failed" : 0   }

how come total number of shards not consistent in 2 reports? why total shards 10 stats api. how track other 5?

from results have single elasticsearch node running , created index default values(which creates 5 shards , 1 replica). since there 1 node running elasticsearch unable assign replica shards anywhere(elasticsearch never assign primary , replica of same shard in single node).

the _cluster/stats api gives information cluster including current state. result seen cluster state "yellow" indicating primary shards allocated not replicas have been allocated/initialized. showing allocated shards 5.

the _stats api gives information indices in cluster. give information how many shards index have , how many replicas. since index needs total of 10 shards (5 primary , 5 replica specified when create index) stats contain information total 10, successful 5 , failed 5(failed because unable allocate in node).

use http://localhost:9200/_cat/shards see overall shard status


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