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netdata/collectors/python.d.plugin/elasticsearch/README.md

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Elasticsearch monitoring with Netdata

Monitors Elasticsearch performance and health metrics.

It produces:

  1. Search performance charts:

    • Number of queries, fetches
    • Time spent on queries, fetches
    • Query and fetch latency

  2. Indexing performance charts:

    • Number of documents indexed, index refreshes, flushes
    • Time spent on indexing, refreshing, flushing
    • Indexing and flushing latency

  3. Memory usage and garbace collection charts:

    • JVM heap currently in use, committed
    • Count of garbage collections
    • Time spent on garbage collections

  4. Host metrics charts:

    • Available file descriptors in percent
    • Opened HTTP connections
    • Cluster communication transport metrics

  5. Queues and rejections charts:

    • Number of queued/rejected threads in thread pool

  6. Fielddata cache charts:

    • Fielddata cache size
    • Fielddata evictions and circuit breaker tripped count

  7. Cluster health API charts:

    • Cluster status
    • Nodes and tasks statistics
    • Shards statistics

  8. Cluster stats API charts:

    • Nodes statistics
    • Query cache statistics
    • Docs statistics
    • Store statistics
    • Indices and shards statistics

  9. Indices charts (per index statistics, disabled by default):

    • Docs count
    • Store size
    • Num of replicas
    • Health status

Configuration

Edit the python.d/elasticsearch.conf configuration file using edit-config from the your agent's config directory, which is typically at /etc/netdata.

cd /etc/netdata   # Replace this path with your Netdata config directory, if different, if different
sudo ./edit-config python.d/elasticsearch.conf

Sample:

local:
  host               : 'ipaddress'    # Elasticsearch server ip address or hostname.
  port               : 'port'         # Port on which elasticsearch listens.
  node_status        :  yes/no        # Get metrics from "/_nodes/_local/stats". Enabled by default.
  cluster_health     :  yes/no        # Get metrics from "/_cluster/health". Enabled by default.
  cluster_stats      :  yes/no        # Get metrics from "'/_cluster/stats". Enabled by default.
  indices_stats      :  yes/no        # Get metrics from "/_cat/indices". Disabled by default.

If no configuration is given, module will try to connect to http://127.0.0.1:9200.

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