Get JVM statistics

Base URL: /

GET /_node/stats/jvm

Auth optional

Get threads count, garbage collators(GC) and memory details.

Query parameters

pretty boolean: If you append ?pretty=true to the request, the JSON returned will be pretty formatted. Use it for debugging only!

Response

A JSON object containing jvm statistics.

application/json

jvm object

View as Markdown

Base URL: /

Examples

Request curl 1 / 1 language

curl Shell

curl -X GET "${LOGSTASH_URL}/_node/stats/jvm" \
  -u "${USERNAME}:${PASSWORD}"

Generated from the API spec

Response

{
  "jvm": {
    "threads": {
      "count": 117,
      "peak_count": 119
    },
    "mem": {
      "heap_used_percent": 4,
      "heap_committed_in_bytes": 245366784,
      "heap_max_in_bytes": 4294967294,
      "heap_used_in_bytes": 206685392,
      "non_heap_used_in_bytes": 175223280,
      "non_heap_committed_in_bytes": 196739072,
      "pools": {
        "young": {
          "committed_in_bytes": 92274688,
          "max_in_bytes": -1,
          "used_in_bytes": 69206016,
          "peak_max_in_bytes": -1,
          "peak_used_in_bytes": 171966464
        },
        "old": {
          "committed_in_bytes": 146800640,
          "max_in_bytes": 4294967296,
          "used_in_bytes": 131187920,
          "peak_max_in_bytes": 4294967296,
          "peak_used_in_bytes": 135186368
        },
        "survivor": {
          "committed_in_bytes": 6291456,
          "max_in_bytes": -1,
          "used_in_bytes": 6291456,
          "peak_max_in_bytes": -1,
          "peak_used_in_bytes": 23068672
        }
      }
    },
    "gc": {
      "collectors": {
        "young": {
          "collection_count": 37,
          "collection_time_in_millis": 192
        },
        "old": {
          "collection_count": 0,
          "collection_time_in_millis": 0
        }
      }
    },
    "uptime_in_millis": 2512572
  }
}