From 5a6e142bc8bb659812cb4728c13b765c2830acdc Mon Sep 17 00:00:00 2001 From: Tanguy Leroux Date: Thu, 30 Jul 2015 14:37:12 +0200 Subject: [PATCH] Marvel: Add Node Stats collector Original commit: elastic/x-pack-elasticsearch@13819051983fb04bd8b6f41c88195316088945ee --- .../agent/collector/CollectorModule.java | 2 + .../collector/node/NodeStatsCollector.java | 87 +++++++++++++++++++ .../collector/node/NodeStatsMarvelDoc.java | 75 ++++++++++++++++ .../marvel/agent/exporter/HttpESExporter.java | 4 + .../marvel/agent/renderer/RendererModule.java | 5 ++ .../renderer/node/NodeStatsRenderer.java | 86 ++++++++++++++++++ .../main/resources/marvel_index_template.json | 39 +++++++++ .../node/NodeStatsCollectorTests.java | 71 +++++++++++++++ .../renderer/node/NodeStatsRendererTests.java | 42 +++++++++ .../resources/samples/marvel_node_stats.json | 66 ++++++++++++++ 10 files changed, 477 insertions(+) create mode 100644 marvel/src/main/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsCollector.java create mode 100644 marvel/src/main/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsMarvelDoc.java create mode 100644 marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/node/NodeStatsRenderer.java create mode 100644 marvel/src/test/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsCollectorTests.java create mode 100644 marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/node/NodeStatsRendererTests.java create mode 100644 marvel/src/test/resources/samples/marvel_node_stats.json diff --git a/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/CollectorModule.java b/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/CollectorModule.java index 2dc4b85a023..1c1f6c6f8f8 100644 --- a/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/CollectorModule.java +++ b/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/CollectorModule.java @@ -10,6 +10,7 @@ import org.elasticsearch.common.inject.multibindings.Multibinder; import org.elasticsearch.marvel.agent.collector.cluster.ClusterStateCollector; import org.elasticsearch.marvel.agent.collector.cluster.ClusterStatsCollector; import org.elasticsearch.marvel.agent.collector.indices.IndexStatsCollector; +import org.elasticsearch.marvel.agent.collector.node.NodeStatsCollector; import java.util.HashSet; import java.util.Set; @@ -23,6 +24,7 @@ public class CollectorModule extends AbstractModule { registerCollector(IndexStatsCollector.class); registerCollector(ClusterStatsCollector.class); registerCollector(ClusterStateCollector.class); + registerCollector(NodeStatsCollector.class); } @Override diff --git a/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsCollector.java b/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsCollector.java new file mode 100644 index 00000000000..30831777adc --- /dev/null +++ b/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsCollector.java @@ -0,0 +1,87 @@ +/* + * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one + * or more contributor license agreements. Licensed under the Elastic License; + * you may not use this file except in compliance with the Elastic License. + */ +package org.elasticsearch.marvel.agent.collector.node; + + +import com.google.common.collect.ImmutableList; +import org.elasticsearch.action.admin.cluster.node.stats.NodeStats; +import org.elasticsearch.bootstrap.Bootstrap; +import org.elasticsearch.cluster.ClusterName; +import org.elasticsearch.cluster.ClusterService; +import org.elasticsearch.cluster.routing.allocation.decider.DiskThresholdDecider; +import org.elasticsearch.common.inject.ConfigurationException; +import org.elasticsearch.common.inject.Inject; +import org.elasticsearch.common.inject.Provider; +import org.elasticsearch.common.inject.ProvisionException; +import org.elasticsearch.common.settings.Settings; +import org.elasticsearch.discovery.DiscoveryService; +import org.elasticsearch.marvel.agent.collector.AbstractCollector; +import org.elasticsearch.marvel.agent.exporter.MarvelDoc; +import org.elasticsearch.marvel.agent.settings.MarvelSettingsService; +import org.elasticsearch.node.service.NodeService; + +import java.util.Collection; + +/** + * Collector for nodes statistics. + *

+ * This collector runs on every non-client node and collect + * a {@link NodeStatsMarvelDoc} document for each node of the cluster. + */ +public class NodeStatsCollector extends AbstractCollector { + + public static final String NAME = "node-stats-collector"; + public static final String TYPE = "marvel_node_stats"; + + private final NodeService nodeService; + private final DiscoveryService discoveryService; + + // Use a provider in order to avoid Guice circular injection + // issues because AllocationDecider is not an interface and cannot be proxied + private final Provider diskThresholdDeciderProvider; + + @Inject + public NodeStatsCollector(Settings settings, ClusterService clusterService, ClusterName clusterName, + MarvelSettingsService marvelSettings, + NodeService nodeService, DiscoveryService discoveryService, + Provider diskThresholdDeciderProvider) { + super(settings, NAME, clusterService, clusterName, marvelSettings); + this.nodeService = nodeService; + this.discoveryService = discoveryService; + this.diskThresholdDeciderProvider = diskThresholdDeciderProvider; + } + + @Override + protected Collection doCollect() throws Exception { + ImmutableList.Builder results = ImmutableList.builder(); + + NodeStats nodeStats = nodeService.stats(); + + DiskThresholdDecider diskThresholdDecider = null; + try { + diskThresholdDecider = diskThresholdDeciderProvider.get(); + } catch (ProvisionException | ConfigurationException e) { + logger.warn("unable to retrieve disk threshold decider information", e); + } + + // Here we are calling directly the DiskThresholdDecider to retrieve the high watermark value + // It would be nicer to use a settings API like documented in #6732 + Double diskThresholdWatermarkHigh = (diskThresholdDecider != null) ? 100.0 - diskThresholdDecider.getFreeDiskThresholdHigh() : -1; + boolean diskThresholdDeciderEnabled = (diskThresholdDecider != null) && diskThresholdDecider.isEnabled(); + + results.add(buildMarvelDoc(clusterName.value(), TYPE, System.currentTimeMillis(), + discoveryService.localNode().id(), clusterService.state().nodes().localNodeMaster(), nodeStats, + Bootstrap.isMemoryLocked(), diskThresholdWatermarkHigh, diskThresholdDeciderEnabled)); + + return results.build(); + } + + protected MarvelDoc buildMarvelDoc(String clusterName, String type, long timestamp, + String nodeId, boolean nodeMaster, NodeStats nodeStats, + boolean mlockall, Double diskThresholdWaterMarkHigh, boolean diskThresholdDeciderEnabled) { + return NodeStatsMarvelDoc.createMarvelDoc(clusterName, type, timestamp, nodeId, nodeMaster, nodeStats, mlockall, diskThresholdWaterMarkHigh, diskThresholdDeciderEnabled); + } +} diff --git a/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsMarvelDoc.java b/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsMarvelDoc.java new file mode 100644 index 00000000000..626c0a3037f --- /dev/null +++ b/marvel/src/main/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsMarvelDoc.java @@ -0,0 +1,75 @@ +/* + * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one + * or more contributor license agreements. Licensed under the Elastic License; + * you may not use this file except in compliance with the Elastic License. + */ +package org.elasticsearch.marvel.agent.collector.node; + +import org.elasticsearch.action.admin.cluster.node.stats.NodeStats; +import org.elasticsearch.marvel.agent.exporter.MarvelDoc; + +public class NodeStatsMarvelDoc extends MarvelDoc { + + private final Payload payload; + + public NodeStatsMarvelDoc(String clusterName, String type, long timestamp, Payload payload) { + super(clusterName, type, timestamp); + this.payload = payload; + } + + @Override + public Payload payload() { + return payload; + } + + public static NodeStatsMarvelDoc createMarvelDoc(String clusterName, String type, long timestamp, + String nodeId, boolean nodeMaster, NodeStats nodeStats, + boolean mlockall, Double diskThresholdWaterMarkHigh, boolean diskThresholdDeciderEnabled) { + return new NodeStatsMarvelDoc(clusterName, type, timestamp, new Payload(nodeId, nodeMaster, nodeStats, mlockall, diskThresholdWaterMarkHigh, diskThresholdDeciderEnabled)); + } + + public static class Payload { + + private final String nodeId; + private final boolean nodeMaster; + private final NodeStats nodeStats; + + private final boolean mlockall; + private final Double diskThresholdWaterMarkHigh; + private final boolean diskThresholdDeciderEnabled; + + Payload(String nodeId, boolean nodeMaster, NodeStats nodeStats, boolean mlockall, Double diskThresholdWaterMarkHigh, boolean diskThresholdDeciderEnabled) { + this.nodeId = nodeId; + this.nodeMaster = nodeMaster; + this.nodeStats = nodeStats; + this.mlockall = mlockall; + this.diskThresholdWaterMarkHigh = diskThresholdWaterMarkHigh; + this.diskThresholdDeciderEnabled = diskThresholdDeciderEnabled; + } + + public String getNodeId() { + return nodeId; + } + + public boolean isNodeMaster() { + return nodeMaster; + } + + public NodeStats getNodeStats() { + return nodeStats; + } + + public boolean isMlockall() { + return mlockall; + } + + public Double getDiskThresholdWaterMarkHigh() { + return diskThresholdWaterMarkHigh; + } + + public boolean isDiskThresholdDeciderEnabled() { + return diskThresholdDeciderEnabled; + } + } +} + diff --git a/marvel/src/main/java/org/elasticsearch/marvel/agent/exporter/HttpESExporter.java b/marvel/src/main/java/org/elasticsearch/marvel/agent/exporter/HttpESExporter.java index 0ff002df91c..492df1cdc3d 100644 --- a/marvel/src/main/java/org/elasticsearch/marvel/agent/exporter/HttpESExporter.java +++ b/marvel/src/main/java/org/elasticsearch/marvel/agent/exporter/HttpESExporter.java @@ -195,6 +195,10 @@ public class HttpESExporter extends AbstractExporter implements // Get the appropriate renderer in order to render the MarvelDoc Renderer renderer = registry.renderer(marvelDoc.type()); + if (renderer == null) { + logger.warn("unable to render marvel document of type [{}]: no renderer found in registry", marvelDoc.type()); + return; + } try (XContentBuilder builder = new XContentBuilder(xContentType.xContent(), os)) { diff --git a/marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/RendererModule.java b/marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/RendererModule.java index 3be43ce7810..7e5ee2b53e9 100644 --- a/marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/RendererModule.java +++ b/marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/RendererModule.java @@ -10,9 +10,11 @@ import org.elasticsearch.common.inject.multibindings.MapBinder; import org.elasticsearch.marvel.agent.collector.cluster.ClusterStateCollector; import org.elasticsearch.marvel.agent.collector.cluster.ClusterStatsCollector; import org.elasticsearch.marvel.agent.collector.indices.IndexStatsCollector; +import org.elasticsearch.marvel.agent.collector.node.NodeStatsCollector; import org.elasticsearch.marvel.agent.renderer.cluster.ClusterStateRenderer; import org.elasticsearch.marvel.agent.renderer.cluster.ClusterStatsRenderer; import org.elasticsearch.marvel.agent.renderer.indices.IndexStatsRenderer; +import org.elasticsearch.marvel.agent.renderer.node.NodeStatsRenderer; import java.util.HashMap; import java.util.Map; @@ -39,6 +41,9 @@ public class RendererModule extends AbstractModule { bind(ClusterStateRenderer.class).asEagerSingleton(); mbinder.addBinding(ClusterStateCollector.TYPE).to(ClusterStateRenderer.class); + bind(NodeStatsRenderer.class).asEagerSingleton(); + mbinder.addBinding(NodeStatsCollector.TYPE).to(NodeStatsRenderer.class); + for (Map.Entry> entry : renderers.entrySet()) { bind(entry.getValue()).asEagerSingleton(); mbinder.addBinding(entry.getKey()).to(entry.getValue()); diff --git a/marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/node/NodeStatsRenderer.java b/marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/node/NodeStatsRenderer.java new file mode 100644 index 00000000000..89e007d0039 --- /dev/null +++ b/marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/node/NodeStatsRenderer.java @@ -0,0 +1,86 @@ +/* + * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one + * or more contributor license agreements. Licensed under the Elastic License; + * you may not use this file except in compliance with the Elastic License. + */ +package org.elasticsearch.marvel.agent.renderer.node; + +import org.elasticsearch.action.admin.cluster.node.stats.NodeStats; +import org.elasticsearch.common.xcontent.ToXContent; +import org.elasticsearch.common.xcontent.XContentBuilder; +import org.elasticsearch.common.xcontent.XContentBuilderString; +import org.elasticsearch.marvel.agent.collector.node.NodeStatsMarvelDoc; +import org.elasticsearch.marvel.agent.renderer.AbstractRenderer; + +import java.io.IOException; + +public class NodeStatsRenderer extends AbstractRenderer { + + private static final String[] FILTERS = { + // Extra information + "node_stats.node_id", + "node_stats.node_master", + "node_stats.mlockall", + "node_stats.disk_threshold_enabled", + "node_stats.disk_threshold_watermark_high", + // Node Stats + "node_stats.indices.docs.count", + "node_stats.indices.store.size_in_bytes", + "node_stats.indices.store.throttle_time_in_millis", + "node_stats.indices.indexing.throttle_time_in_millis", + "node_stats.indices.segments.count", + "node_stats.fs.total.total_in_bytes", + "node_stats.fs.total.free_in_bytes", + "node_stats.fs.total.available_in_bytes", + "node_stats.process.max_file_descriptors", + "node_stats.process.open_file_descriptors", + "node_stats.jvm.mem.heap_used_in_bytes", + "node_stats.jvm.mem.heap_used_percent", + "node_stats.jvm.gc.collectors.young", + "node_stats.jvm.gc.collectors.young.collection_count", + "node_stats.jvm.gc.collectors.young.collection_time_in_millis", + "node_stats.jvm.gc.collectors.old", + "node_stats.jvm.gc.collectors.old.collection_count", + "node_stats.jvm.gc.collectors.old.collection_time_in_millis", + "node_stats.thread_pool.index.rejected", + "node_stats.thread_pool.search.rejected", + "node_stats.thread_pool.bulk.rejected", + }; + + public NodeStatsRenderer() { + super(FILTERS, true); + } + + @Override + protected void doRender(NodeStatsMarvelDoc marvelDoc, XContentBuilder builder, ToXContent.Params params) throws IOException { + builder.startObject(Fields.NODE_STATS); + + NodeStatsMarvelDoc.Payload payload = marvelDoc.payload(); + if (payload != null) { + + builder.field(Fields.NODE_ID, payload.getNodeId()); + builder.field(Fields.NODE_MASTER, payload.isNodeMaster()); + builder.field(Fields.MLOCKALL, payload.isMlockall()); + builder.field(Fields.DISK_THRESHOLD_ENABLED, payload.isDiskThresholdDeciderEnabled()); + builder.field(Fields.DISK_THRESHOLD_WATERMARK_HIGH, payload.getDiskThresholdWaterMarkHigh()); + + NodeStats nodeStats = payload.getNodeStats(); + if (nodeStats != null) { + nodeStats.toXContent(builder, params); + } + } + builder.endObject(); + } + + static final class Fields { + static final XContentBuilderString NODE_STATS = new XContentBuilderString("node_stats"); + static final XContentBuilderString NODE_ID = new XContentBuilderString("node_id"); + static final XContentBuilderString NODE_MASTER = new XContentBuilderString("node_master"); + static final XContentBuilderString MLOCKALL = new XContentBuilderString("mlockall"); + static final XContentBuilderString DISK_THRESHOLD_ENABLED = new XContentBuilderString("disk_threshold_enabled"); + static final XContentBuilderString DISK_THRESHOLD_WATERMARK_HIGH = new XContentBuilderString("disk_threshold_watermark_high"); + } +} + + + diff --git a/marvel/src/main/resources/marvel_index_template.json b/marvel/src/main/resources/marvel_index_template.json index 74a57fbd6c0..7f67e985291 100644 --- a/marvel/src/main/resources/marvel_index_template.json +++ b/marvel/src/main/resources/marvel_index_template.json @@ -103,6 +103,45 @@ } } } + }, + "marvel_node_stats": { + "properties": { + "node_stats": { + "properties": { + "node_id": { + "type": "string", + "index": "not_analyzed" + }, + "node_master": { + "type": "boolean" + }, + "mlockall": { + "type": "boolean" + }, + "disk_threshold_enabled": { + "type": "boolean" + }, + "disk_threshold_watermark_high": { + "type": "short" + }, + "indices": { + "type": "object" + }, + "fs": { + "type": "object" + }, + "process": { + "type": "object" + }, + "jvm": { + "type": "object" + }, + "thread_pool": { + "type": "object" + } + } + } + } } } } \ No newline at end of file diff --git a/marvel/src/test/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsCollectorTests.java b/marvel/src/test/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsCollectorTests.java new file mode 100644 index 00000000000..6db0b914f0a --- /dev/null +++ b/marvel/src/test/java/org/elasticsearch/marvel/agent/collector/node/NodeStatsCollectorTests.java @@ -0,0 +1,71 @@ +/* + * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one + * or more contributor license agreements. Licensed under the Elastic License; + * you may not use this file except in compliance with the Elastic License. + */ +package org.elasticsearch.marvel.agent.collector.node; + +import org.elasticsearch.bootstrap.Bootstrap; +import org.elasticsearch.cluster.ClusterName; +import org.elasticsearch.cluster.ClusterService; +import org.elasticsearch.cluster.routing.allocation.decider.DiskThresholdDecider; +import org.elasticsearch.common.inject.Provider; +import org.elasticsearch.common.settings.Settings; +import org.elasticsearch.discovery.DiscoveryService; +import org.elasticsearch.marvel.agent.exporter.MarvelDoc; +import org.elasticsearch.marvel.agent.settings.MarvelSettingsService; +import org.elasticsearch.node.service.NodeService; +import org.elasticsearch.test.ElasticsearchIntegrationTest; +import org.junit.Test; + +import java.util.Collection; + +import static org.hamcrest.Matchers.*; + +public class NodeStatsCollectorTests extends ElasticsearchIntegrationTest { + + @Test + public void testNodeStatsCollector() throws Exception { + String[] nodes = internalCluster().getNodeNames(); + for (String node : nodes) { + logger.info("--> collecting node stats on node [{}]", node); + Collection results = newNodeStatsCollector(node).doCollect(); + assertThat(results, hasSize(1)); + + MarvelDoc marvelDoc = results.iterator().next(); + assertNotNull(marvelDoc); + assertThat(marvelDoc, instanceOf(NodeStatsMarvelDoc.class)); + + NodeStatsMarvelDoc nodeStatsMarvelDoc = (NodeStatsMarvelDoc) marvelDoc; + assertThat(nodeStatsMarvelDoc.clusterName(), equalTo(client().admin().cluster().prepareHealth().get().getClusterName())); + assertThat(nodeStatsMarvelDoc.timestamp(), greaterThan(0L)); + assertThat(nodeStatsMarvelDoc.type(), equalTo(NodeStatsCollector.TYPE)); + + NodeStatsMarvelDoc.Payload payload = nodeStatsMarvelDoc.payload(); + assertNotNull(payload); + assertThat(payload.getNodeId(), equalTo(internalCluster().getInstance(DiscoveryService.class, node).localNode().id())); + assertThat(payload.isNodeMaster(), equalTo(node.equals(internalCluster().getMasterName()))); + assertThat(payload.isMlockall(), equalTo(Bootstrap.isMemoryLocked())); + assertNotNull(payload.isDiskThresholdDeciderEnabled()); + assertNotNull(payload.getDiskThresholdWaterMarkHigh()); + + assertNotNull(payload.getNodeStats()); + assertThat(payload.getNodeStats().getProcess().getOpenFileDescriptors(), greaterThan(0L)); + } + } + + private NodeStatsCollector newNodeStatsCollector(final String nodeId) { + return new NodeStatsCollector(internalCluster().getInstance(Settings.class, nodeId), + internalCluster().getInstance(ClusterService.class, nodeId), + internalCluster().getInstance(ClusterName.class, nodeId), + internalCluster().getInstance(MarvelSettingsService.class, nodeId), + internalCluster().getInstance(NodeService.class, nodeId), + internalCluster().getInstance(DiscoveryService.class, nodeId), + new Provider() { + @Override + public DiskThresholdDecider get() { + return internalCluster().getInstance(DiskThresholdDecider.class, nodeId); + } + }); + } +} diff --git a/marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/node/NodeStatsRendererTests.java b/marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/node/NodeStatsRendererTests.java new file mode 100644 index 00000000000..8aaaf8266b8 --- /dev/null +++ b/marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/node/NodeStatsRendererTests.java @@ -0,0 +1,42 @@ +/* + * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one + * or more contributor license agreements. Licensed under the Elastic License; + * you may not use this file except in compliance with the Elastic License. + */ +package org.elasticsearch.marvel.agent.renderer.node; + +import org.elasticsearch.action.admin.cluster.node.stats.NodeStats; +import org.elasticsearch.common.io.Streams; +import org.elasticsearch.marvel.agent.collector.node.NodeStatsMarvelDoc; +import org.elasticsearch.marvel.agent.renderer.Renderer; +import org.elasticsearch.marvel.agent.renderer.RendererTestUtils; +import org.elasticsearch.node.service.NodeService; +import org.elasticsearch.test.ElasticsearchSingleNodeTest; +import org.junit.Test; + +public class NodeStatsRendererTests extends ElasticsearchSingleNodeTest { + + private static final String SAMPLE_FILE = "/samples/marvel_node_stats.json"; + + @Test + public void testNodeStatsRenderer() throws Exception { + createIndex("index-0"); + + logger.debug("--> retrieving node stats"); + NodeStats nodeStats = getInstanceFromNode(NodeService.class).stats(); + + logger.debug("--> creating the node stats marvel document"); + NodeStatsMarvelDoc marvelDoc = NodeStatsMarvelDoc.createMarvelDoc("test", "marvel_node_stats", 1437580442979L, + "node-0", true, nodeStats, false, 90.0, true); + + logger.debug("--> rendering the document"); + Renderer renderer = new NodeStatsRenderer(); + String result = RendererTestUtils.renderAsJSON(marvelDoc, renderer); + + logger.debug("--> loading sample document from file {}", SAMPLE_FILE); + String expected = Streams.copyToStringFromClasspath(SAMPLE_FILE); + + logger.debug("--> comparing both documents, they must have the same structure"); + RendererTestUtils.assertJSONStructure(result, expected); + } +} \ No newline at end of file diff --git a/marvel/src/test/resources/samples/marvel_node_stats.json b/marvel/src/test/resources/samples/marvel_node_stats.json new file mode 100644 index 00000000000..dcc2fb3c5d4 --- /dev/null +++ b/marvel/src/test/resources/samples/marvel_node_stats.json @@ -0,0 +1,66 @@ +{ + "cluster_name": "test", + "timestamp": "2015-07-22T15:54:02.979Z", + "node_stats": { + "node_id": "OB5Mr2NGQe6xYCFvMggReg", + "node_master": true, + "mlockall": false, + "disk_threshold_enabled": true, + "disk_threshold_watermark_high": 90.0, + "indices": { + "docs": { + "count": 0 + }, + "store": { + "size_in_bytes": 0, + "throttle_time_in_millis": 0 + }, + "indexing": { + "throttle_time_in_millis": 0 + }, + "segments": { + "count": 0 + } + }, + "process": { + "open_file_descriptors": 235, + "max_file_descriptors": 4096 + }, + "jvm": { + "mem": { + "heap_used_in_bytes": 58976328, + "heap_used_percent": 1 + }, + "gc": { + "collectors": { + "young": { + "collection_count": 4, + "collection_time_in_millis": 50 + }, + "old": { + "collection_count": 1, + "collection_time_in_millis": 42 + } + } + } + }, + "thread_pool": { + "index": { + "rejected": 0 + }, + "bulk": { + "rejected": 0 + }, + "search": { + "rejected": 0 + } + }, + "fs": { + "total": { + "total_in_bytes": 486599139328, + "free_in_bytes": 228134465536, + "available_in_bytes": 203393003520 + } + } + } +}