1.Every dataNode has one shard , all the data volume is about 90GB.
2.now my cluster has 5 node ,the master is elected by the ES's election mechanism ,but the result is also same as before , the '_cluster/stats?pretty&human' result:
{
"_nodes" : {
"total" : 5,
"successful" : 5,
"failed" : 0
},
"cluster_name" : "master-cluster",
"cluster_uuid" : "MH40olNXQkWfCRUi_spkJA",
"timestamp" : 1646271656813,
"status" : "green",
"indices" : {
"count" : 8,
"shards" : {
"total" : 25,
"primaries" : 20,
"replication" : 0.25,
"index" : {
"shards" : {
"min" : 2,
"max" : 5,
"avg" : 3.125
},
"primaries" : {
"min" : 1,
"max" : 5,
"avg" : 2.5
},
"replication" : {
"min" : 0.0,
"max" : 1.0,
"avg" : 0.625
}
}
},
"docs" : {
"count" : 857997276,
"deleted" : 4476
},
"store" : {
"size" : "48.7gb",
"size_in_bytes" : 52326566959
},
"fielddata" : {
"memory_size" : "3.3kb",
"memory_size_in_bytes" : 3384,
"evictions" : 0
},
"query_cache" : {
"memory_size" : "62.6mb",
"memory_size_in_bytes" : 65677952,
"total_count" : 628200706,
"hit_count" : 47687,
"miss_count" : 628153019,
"cache_size" : 24,
"cache_count" : 5393,
"evictions" : 5369
},
"completion" : {
"size" : "0b",
"size_in_bytes" : 0
},
"segments" : {
"count" : 267,
"memory" : "171.6mb",
"memory_in_bytes" : 180011401,
"terms_memory" : "148.1mb",
"terms_memory_in_bytes" : 155379717,
"stored_fields_memory" : "15.5mb",
"stored_fields_memory_in_bytes" : 16355808,
"term_vectors_memory" : "0b",
"term_vectors_memory_in_bytes" : 0,
"norms_memory" : "1.5kb",
"norms_memory_in_bytes" : 1536,
"points_memory" : "7.5mb",
"points_memory_in_bytes" : 7953472,
"doc_values_memory" : "313.3kb",
"doc_values_memory_in_bytes" : 320868,
"index_writer_memory" : "3.8mb",
"index_writer_memory_in_bytes" : 4071472,
"version_map_memory" : "0b",
"version_map_memory_in_bytes" : 0,
"fixed_bit_set" : "102.3mb",
"fixed_bit_set_memory_in_bytes" : 107275864,
"max_unsafe_auto_id_timestamp" : 1646265608049,
"file_sizes" : { }
}
},
"nodes" : {
"count" : {
"total" : 5,
"coordinating_only" : 0,
"data" : 5,
"ingest" : 5,
"master" : 5,
"ml" : 5,
"voting_only" : 0
},
"versions" : [
"7.5.2"
],
"os" : {
"available_processors" : 160,
"allocated_processors" : 160,
"names" : [
{
"name" : "Linux",
"count" : 5
}
],
"pretty_names" : [
{
"pretty_name" : "CentOS Linux 7 (Core)",
"count" : 5
}
],
"mem" : {
"total" : "313.7gb",
"total_in_bytes" : 336843325440,
"free" : "73.7gb",
"free_in_bytes" : 79195766784,
"used" : "239.9gb",
"used_in_bytes" : 257647558656,
"free_percent" : 24,
"used_percent" : 76
}
},
"process" : {
"cpu" : {
"percent" : 0
},
"open_file_descriptors" : {
"min" : 711,
"max" : 735,
"avg" : 717
}
},
"jvm" : {
"max_uptime" : "19.6h",
"max_uptime_in_millis" : 70712917,
"versions" : [
{
"version" : "13.0.1",
"vm_name" : "OpenJDK 64-Bit Server VM",
"vm_version" : "13.0.1+9",
"vm_vendor" : "AdoptOpenJDK",
"bundled_jdk" : true,
"using_bundled_jdk" : true,
"count" : 5
}
],
"mem" : {
"heap_used" : "61.6gb",
"heap_used_in_bytes" : 66167834992,
"heap_max" : "150gb",
"heap_max_in_bytes" : 161061273600
},
"threads" : 1206
},
"fs" : {
"total" : "2.4tb",
"total_in_bytes" : 2641547755520,
"free" : "2.3tb",
"free_in_bytes" : 2574707974144,
"available" : "2.2tb",
"available_in_bytes" : 2440406626304
},
"plugins" : [ ],
"network_types" : {
"transport_types" : {
"security4" : 5
},
"http_types" : {
"security4" : 5
}
},
"discovery_types" : {
"zen" : 5
},
"packaging_types" : [
{
"flavor" : "default",
"type" : "tar",
"count" : 5
}
]
}
}