GET /_cluster/health
{
"cluster_name": "elasticsearch",
"status": "green", //状态
"timed_out": false,
"number_of_nodes": 1,
"number_of_data_nodes": 1,
"active_primary_shards": 0,
"active_shards": 0,
"relocating_shards": 0,
"initializing_shards": 0,
"unassigned_shards": 0
}
颜色 | 意义 |
---|---|
green | 所有主要分片和复制分片都可用 |
yellow | 所有主要分片可用,但不是所有复制分片都可用 |
red | 不是所有的主要分片都可用 |
PUT /blogs
{
"settings" : {
"number_of_shards" : 3,
"number_of_replicas" : 1
}
}
{
"cluster_name": "elasticsearch",
"status": "yellow", //状态
"timed_out": false,
"number_of_nodes": 1,
"number_of_data_nodes": 1,
"active_primary_shards": 3,
"active_shards": 3,
"relocating_shards": 0,
"initializing_shards": 0,
"unassigned_shards": 3 <2>
}
PUT /blogs/_settings
{
"number_of_replicas" : 2
}