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<div class="titlepage"><div><div>
<h2 class="title"><a id="node-stats-api"></a>Node Stats API<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/logstash/edit/8.0/docs/static/monitoring/monitoring-apis.asciidoc">edit</a></h2>
</div></div></div>
<p>The node stats API retrieves runtime stats about Logstash.</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/<types>'</pre>
</div>
<p>Where <code class="literal"><types></code> is optional and specifies the types of stats you want to return.</p>
<p>By default, all stats are returned. You can limit the info that’s returned by combining any of the following types in a comma-separated list:</p>
<div class="informaltable">
<table border="0" cellpadding="4px">
<colgroup>
<col/>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td valign="top">
<p>
<a class="xref" href="node-stats-api.html#jvm-stats" title="JVM stats"><code class="literal">jvm</code></a>
</p>
</td>
<td valign="top">
<p>
Gets JVM stats, including stats about threads, memory usage, garbage collectors,
and uptime.
</p>
</td>
</tr>
<tr>
<td valign="top">
<p>
<a class="xref" href="node-stats-api.html#process-stats" title="Process stats"><code class="literal">process</code></a>
</p>
</td>
<td valign="top">
<p>
Gets process stats, including stats about file descriptors, memory consumption, and CPU usage.
</p>
</td>
</tr>
<tr>
<td valign="top">
<p>
<a class="xref" href="node-stats-api.html#event-stats" title="Event stats"><code class="literal">events</code></a>
</p>
</td>
<td valign="top">
<p>
Gets event-related statistics for the Logstash instance (regardless of how many
pipelines were created and destroyed).
</p>
</td>
</tr>
<tr>
<td valign="top">
<p>
<a class="xref" href="node-stats-api.html#pipeline-stats" title="Pipeline stats"><code class="literal">pipelines</code></a>
</p>
</td>
<td valign="top">
<p>
Gets runtime stats about each Logstash pipeline.
</p>
</td>
</tr>
<tr>
<td valign="top">
<p>
<a class="xref" href="node-stats-api.html#reload-stats" title="Reload stats"><code class="literal">reloads</code></a>
</p>
</td>
<td valign="top">
<p>
Gets runtime stats about config reload successes and failures.
</p>
</td>
</tr>
<tr>
<td valign="top">
<p>
<a class="xref" href="node-stats-api.html#os-stats" title="OS stats"><code class="literal">os</code></a>
</p>
</td>
<td valign="top">
<p>
Gets runtime stats about cgroups when Logstash is running in a container.
</p>
</td>
</tr>
<tr>
<td valign="top">
<p>
<a class="xref" href="node-stats-api.html#geoip-database-stats" title="Geoip database stats"><code class="literal">geoip_download_manager</code></a>
</p>
</td>
<td valign="top">
<p>
Gets stats for databases used with the <a class="xref" href="plugins-filters-geoip.html" title="Geoip filter plugin">Geoip filter plugin</a>.
</p>
</td>
</tr>
</tbody>
</table>
</div>
<p>See <a class="xref" href="monitoring-logstash.html#monitoring-common-options" title="Common options">Common Options</a> for a list of options that can be applied to all
Logstash monitoring APIs.</p>
<h4><a id="jvm-stats"></a>JVM stats<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/logstash/edit/8.0/docs/static/monitoring/monitoring-apis.asciidoc">edit</a></h4>
<p>The following request returns a JSON document containing JVM stats:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/jvm?pretty'</pre>
</div>
<p>Example response:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">{
"jvm" : {
"threads" : {
"count" : 49,
"peak_count" : 50
},
"mem" : {
"heap_used_percent" : 14,
"heap_committed_in_bytes" : 309866496,
"heap_max_in_bytes" : 1037959168,
"heap_used_in_bytes" : 151686096,
"non_heap_used_in_bytes" : 122486176,
"non_heap_committed_in_bytes" : 133222400,
"pools" : {
"survivor" : {
"peak_used_in_bytes" : 8912896,
"used_in_bytes" : 288776,
"peak_max_in_bytes" : 35782656,
"max_in_bytes" : 35782656,
"committed_in_bytes" : 8912896
},
"old" : {
"peak_used_in_bytes" : 148656848,
"used_in_bytes" : 148656848,
"peak_max_in_bytes" : 715849728,
"max_in_bytes" : 715849728,
"committed_in_bytes" : 229322752
},
"young" : {
"peak_used_in_bytes" : 71630848,
"used_in_bytes" : 2740472,
"peak_max_in_bytes" : 286326784,
"max_in_bytes" : 286326784,
"committed_in_bytes" : 71630848
}
}
},
"gc" : {
"collectors" : {
"old" : {
"collection_time_in_millis" : 607,
"collection_count" : 12
},
"young" : {
"collection_time_in_millis" : 4904,
"collection_count" : 1033
}
}
},
"uptime_in_millis" : 1809643
}</pre>
</div>
<h4><a id="process-stats"></a>Process stats<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/logstash/edit/8.0/docs/static/monitoring/monitoring-apis.asciidoc">edit</a></h4>
<p>The following request returns a JSON document containing process stats:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/process?pretty'</pre>
</div>
<p>Example response:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">{
"process" : {
"open_file_descriptors" : 184,
"peak_open_file_descriptors" : 185,
"max_file_descriptors" : 10240,
"mem" : {
"total_virtual_in_bytes" : 5486125056
},
"cpu" : {
"total_in_millis" : 657136,
"percent" : 2,
"load_average" : {
"1m" : 2.38134765625
}
}
}</pre>
</div>
<h4><a id="event-stats"></a>Event stats<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/logstash/edit/8.0/docs/static/monitoring/monitoring-apis.asciidoc">edit</a></h4>
<p>The following request returns a JSON document containing event-related statistics
for the Logstash instance:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/events?pretty'</pre>
</div>
<p>Example response:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">{
"events" : {
"in" : 293658,
"filtered" : 293658,
"out" : 293658,
"duration_in_millis" : 2324391,
"queue_push_duration_in_millis" : 343816
}</pre>
</div>
<h4><a id="pipeline-stats"></a>Pipeline stats<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/logstash/edit/8.0/docs/static/monitoring/monitoring-apis.asciidoc">edit</a></h4>
<p>The following request returns a JSON document containing pipeline stats,
including:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
the number of events that were input, filtered, or output by each pipeline
</li>
<li class="listitem">
stats for each configured filter or output stage
</li>
<li class="listitem">
info about config reload successes and failures
(when <a class="xref" href="reloading-config.html" title="Reloading the Config File">config reload</a> is enabled)
</li>
<li class="listitem">
info about the persistent queue (when
<a class="xref" href="persistent-queues.html" title="Persistent queues (PQ)">persistent queues</a> are enabled)
</li>
</ul>
</div>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/pipelines?pretty'</pre>
</div>
<p>Example response:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">{
"pipelines" : {
"test" : {
"events" : {
"duration_in_millis" : 365495,
"in" : 216485,
"filtered" : 216485,
"out" : 216485,
"queue_push_duration_in_millis" : 342466
},
"plugins" : {
"inputs" : [ {
"id" : "35131f351e2dc5ed13ee04265a8a5a1f95292165-1",
"events" : {
"out" : 216485,
"queue_push_duration_in_millis" : 342466
},
"name" : "beats"
} ],
"filters" : [ {
"id" : "35131f351e2dc5ed13ee04265a8a5a1f95292165-2",
"events" : {
"duration_in_millis" : 55969,
"in" : 216485,
"out" : 216485
},
"failures" : 216485,
"patterns_per_field" : {
"message" : 1
},
"name" : "grok"
}, {
"id" : "35131f351e2dc5ed13ee04265a8a5a1f95292165-3",
"events" : {
"duration_in_millis" : 3326,
"in" : 216485,
"out" : 216485
},
"name" : "geoip"
} ],
"outputs" : [ {
"id" : "35131f351e2dc5ed13ee04265a8a5a1f95292165-4",
"events" : {
"duration_in_millis" : 278557,
"in" : 216485,
"out" : 216485
},
"name" : "elasticsearch"
} ]
},
"reloads" : {
"last_error" : null,
"successes" : 0,
"last_success_timestamp" : null,
"last_failure_timestamp" : null,
"failures" : 0
},
"queue" : {
"type" : "memory"
}
},
"test2" : {
"events" : {
"duration_in_millis" : 2222229,
"in" : 87247,
"filtered" : 87247,
"out" : 87247,
"queue_push_duration_in_millis" : 1532
},
"plugins" : {
"inputs" : [ {
"id" : "d7ea8941c0fc48ac58f89c84a9da482107472b82-1",
"events" : {
"out" : 87247,
"queue_push_duration_in_millis" : 1532
},
"name" : "twitter"
} ],
"filters" : [ ],
"outputs" : [ {
"id" : "d7ea8941c0fc48ac58f89c84a9da482107472b82-2",
"events" : {
"duration_in_millis" : 139545,
"in" : 87247,
"out" : 87247
},
"name" : "elasticsearch"
} ]
},
"reloads" : {
"last_error" : null,
"successes" : 0,
"last_success_timestamp" : null,
"last_failure_timestamp" : null,
"failures" : 0
},
"queue" : {
"type" : "memory"
}
}
}</pre>
</div>
<p>You can see the stats for a specific pipeline by including the pipeline ID. In
the following example, the ID of the pipeline is <code class="literal">test</code>:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/pipelines/test?pretty'</pre>
</div>
<p>Example response:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">{
"test" : {
"events" : {
"duration_in_millis" : 365495,
"in" : 216485,
"filtered" : 216485,
"out" : 216485,
"queue_push_duration_in_millis" : 342466
},
"plugins" : {
"inputs" : [ {
"id" : "35131f351e2dc5ed13ee04265a8a5a1f95292165-1",
"events" : {
"out" : 216485,
"queue_push_duration_in_millis" : 342466
},
"name" : "beats"
} ],
"filters" : [ {
"id" : "35131f351e2dc5ed13ee04265a8a5a1f95292165-2",
"events" : {
"duration_in_millis" : 55969,
"in" : 216485,
"out" : 216485
},
"failures" : 216485,
"patterns_per_field" : {
"message" : 1
},
"name" : "grok"
}, {
"id" : "35131f351e2dc5ed13ee04265a8a5a1f95292165-3",
"events" : {
"duration_in_millis" : 3326,
"in" : 216485,
"out" : 216485
},
"name" : "geoip"
} ],
"outputs" : [ {
"id" : "35131f351e2dc5ed13ee04265a8a5a1f95292165-4",
"events" : {
"duration_in_millis" : 278557,
"in" : 216485,
"out" : 216485
},
"name" : "elasticsearch"
} ]
},
"reloads" : {
"last_error" : null,
"successes" : 0,
"last_success_timestamp" : null,
"last_failure_timestamp" : null,
"failures" : 0
},
"queue" : {
"type" : "memory"
}
}
}
}</pre>
</div>
<h4><a id="reload-stats"></a>Reload stats<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/logstash/edit/8.0/docs/static/monitoring/monitoring-apis.asciidoc">edit</a></h4>
<p>The following request returns a JSON document that shows info about config reload successes and failures.</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/reloads?pretty'</pre>
</div>
<p>Example response:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">{
"reloads": {
"successes": 0,
"failures": 0
}
}</pre>
</div>
<h4><a id="os-stats"></a>OS stats<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/logstash/edit/8.0/docs/static/monitoring/monitoring-apis.asciidoc">edit</a></h4>
<p>When Logstash is running in a container, the following request returns a JSON document that
contains cgroup information to give you a more accurate view of CPU load, including whether
the container is being throttled.</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/os?pretty'</pre>
</div>
<p>Example response:</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">{
"os" : {
"cgroup" : {
"cpuacct" : {
"control_group" : "/elastic1",
"usage_nanos" : 378477588075
},
"cpu" : {
"control_group" : "/elastic1",
"cfs_period_micros" : 1000000,
"cfs_quota_micros" : 800000,
"stat" : {
"number_of_elapsed_periods" : 4157,
"number_of_times_throttled" : 460,
"time_throttled_nanos" : 581617440755
}
}
}
}</pre>
</div>
<h4><a id="geoip-database-stats"></a>Geoip database stats<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/logstash/edit/8.0/docs/static/monitoring/monitoring-apis.asciidoc">edit</a></h4>
<p>You can monitor stats for the geoip databases used with the <a class="xref" href="plugins-filters-geoip.html" title="Geoip filter plugin">Geoip filter plugin</a>.</p>
<div class="pre_wrapper lang-js">
<pre class="programlisting prettyprint lang-js">curl -XGET 'localhost:9600/_node/stats/geoip_download_manager?pretty'</pre>
</div>
<p>For more info, see <a class="xref" href="plugins-filters-geoip.html#plugins-filters-geoip-metrics" title="Database Metrics">Database Metrics</a> in the Geoip filter plugin docs.</p>
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