You're viewing version 2.8 of the OpenSearch documentation. This version is no longer maintained. For the latest version, see the current documentation. For information about OpenSearch version maintenance, see Release Schedule and Maintenance Policy.
RCA API
Example request
# Request all available RCAs
GET localhost:9600/_plugins/_performanceanalyzer/rca
# Request a specific RCA
GET localhost:9600/_plugins/_performanceanalyzer/rca?name=HighHeapUsageClusterRca
Example response
{
"HighHeapUsageClusterRca": [{
"rca_name": "HighHeapUsageClusterRca",
"state": "unhealthy",
"timestamp": 1587426650942,
"HotClusterSummary": [{
"number_of_nodes": 2,
"number_of_unhealthy_nodes": 1,
"HotNodeSummary": [{
"host_address": "192.168.144.2",
"node_id": "JtlEoRowSI6iNpzpjlbp_Q",
"HotResourceSummary": [{
"resource_type": "old gen",
"threshold": 0.65,
"value": 0.81827232588145373,
"avg": NaN,
"max": NaN,
"min": NaN,
"unit_type": "heap usage in percentage",
"time_period_seconds": 600,
"TopConsumerSummary": [{
"name": "CACHE_FIELDDATA_SIZE",
"value": 590702564
},
{
"name": "CACHE_REQUEST_SIZE",
"value": 28375
},
{
"name": "CACHE_QUERY_SIZE",
"value": 12687
}
],
}]
}]
}]
}]
}