Es log error appreciation -maximum shards open

Error reporting

this action would add [1] total shards, but this cluster currently has [29998]/[3000] maximum shay ds open

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Error reporting analysis

There is a maximum number of index shards for a single node , If the limit is exceeded, it will result in the inability to add new partitions

Solution

View the maximum number of shards that can be accommodated by a single node of the current cluster

GET _cluster/settings?include_defaults&flat_settings

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Search for ：cluster.max_shards_per_node

Configure query samples

According to the cluster situation , Adjust the maximum number of slices , Be careful , Here, the maximum number of slices of a single node is adjusted , The maximum total number of partitions of the cluster needs to use the maximum number of partitions of a single node * Number of nodes

Adjustment example ：

Kibana The way ：

PUT _cluster/settings
{
    "transient":{
        "cluster.max_shards_per_node":"2000"
    }
}

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Curl The way ：

curl -XPUT -H "Content-Type:application/json" --user user:password -d '{"persistent":{"cluster":{"max_shards_per_node":10000}}}' 'http://ip:port/_cluster/settings'

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