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rest-node-get-info.dita
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE reference PUBLIC "-//OASIS//DTD DITA Reference//EN" "reference.dtd">
<reference id="reference_e1l_42l_sp">
<title>Getting Server Node Information</title>
<shortdesc>Retrieve the Server node information with the <codeph>GET /pools/nodes</codeph> HTTP
method and URI.</shortdesc>
<refbody>
<section><title>HTTP method and URI</title>
<codeblock>GET /pools/default</codeblock>
<codeblock>GET /pools/nodes</codeblock>
</section>
<section><title>Syntax</title>
<p>Curl request syntax:</p>
<codeblock>curl -u [admin-name]:[password] http://[localhost]:[port]/pools/default</codeblock>
<codeblock>curl -u [admin-name]:[password] http://[localhost]:[port]/pools/nodes</codeblock>
</section>
<section><title>Example</title>
<p>Curl request example for viewing information about nodes that exist in a cluster, in this
case with a password <codeph>couchbase</codeph>:</p>
<codeblock>curl -v -u Administrator:couchbase http://cb1.local:8091/pools/nodes</codeblock>
</section>
<section><title>Response</title>
<p>Couchbase Server returns this response in JSON:</p>
<codeblock>
{
"alerts": [],
"alertsSilenceURL": "/controller/resetAlerts?token=0&uuid=0fe4268d8fe0865405d7f6ccabd7f34c",
"autoCompactionSettings": {
"databaseFragmentationThreshold": {
"percentage": 30,
"size": "undefined"
},
"parallelDBAndViewCompaction": false,
"viewFragmentationThreshold": {
"percentage": 30,
"size": "undefined"
}
},
"buckets": {
"terseBucketsBase": "/pools/default/b/",
"terseStreamingBucketsBase": "/pools/default/bs/",
"uri": "/pools/default/buckets?v=117342268&uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"controllers": {
"addNode": {
"uri": "/controller/addNode?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"clusterLogsCollection": {
"cancelURI": "/controller/cancelLogsCollection?uuid=0fe4268d8fe0865405d7f6ccabd7f34c",
"startURI": "/controller/startLogsCollection?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"ejectNode": {
"uri": "/controller/ejectNode?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"failOver": {
"uri": "/controller/failOver?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"reAddNode": {
"uri": "/controller/reAddNode?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"reFailOver": {
"uri": "/controller/reFailOver?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"rebalance": {
"uri": "/controller/rebalance?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"replication": {
"createURI": "/controller/createReplication?uuid=0fe4268d8fe0865405d7f6ccabd7f34c",
"validateURI": "/controller/createReplication?just_validate=1"
},
"setAutoCompaction": {
"uri": "/controller/setAutoCompaction?uuid=0fe4268d8fe0865405d7f6ccabd7f34c",
"validateURI": "/controller/setAutoCompaction?just_validate=1"
},
"setFastWarmup": {
"uri": "/controller/setFastWarmup?uuid=0fe4268d8fe0865405d7f6ccabd7f34c",
"validateURI": "/controller/setFastWarmup?just_validate=1"
},
"setRecoveryType": {
"uri": "/controller/setRecoveryType?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
},
"startGracefulFailover": {
"uri": "/controller/startGracefulFailover?uuid=0fe4268d8fe0865405d7f6ccabd7f34c"
}
},
"counters": {
"rebalance_start": 1,
"rebalance_success": 1
},
"fastWarmupSettings": {
"fastWarmupEnabled": true,
"minItemsThreshold": 10,
"minMemoryThreshold": 10
},
"maxBucketCount": 10,
"name": "default",
"nodeStatusesUri": "/nodeStatuses",
"nodes": [
{
"clusterCompatibility": 196608,
"clusterMembership": "active",
"couchApiBase": "http://cb1.local:8092/",
"hostname": "cb1.local:8091",
"interestingStats": {
"cmd_get": 0,
"couch_docs_actual_disk_size": 9087296,
"couch_docs_data_size": 9079701,
"couch_views_actual_disk_size": 0,
"couch_views_data_size": 0,
"curr_items": 2996,
"curr_items_tot": 6013,
"ep_bg_fetched": 0,
"get_hits": 0,
"mem_used": 26532896,
"ops": 0,
"vb_replica_curr_items": 3017
},
"mcdMemoryAllocated": 1198,
"mcdMemoryReserved": 1198,
"memoryFree": 1194868736,
"memoryTotal": 1570267136,
"os": "x86_64-unknown-linux-gnu",
"otpCookie": "hieaxwmjpejsownq",
"otpNode": "ns_1@cb1.local",
"ports": {
"direct": 11210,
"httpsCAPI": 18092,
"httpsMgmt": 18091,
"proxy": 11211,
"sslProxy": 11214
},
"recoveryType": "none",
"status": "healthy",
"systemStats": {
"cpu_utilization_rate": 1.54639175257732,
"mem_free": 1194868736,
"mem_total": 1570267136,
"swap_total": 1610608640,
"swap_used": 0
},
"thisNode": true,
"uptime": "139",
"version": "3.1.1-1807-rel-enterprise"
},
{
"clusterCompatibility": 196608,
"clusterMembership": "active",
"couchApiBase": "http://cb2.local:8092/",
"hostname": "cb2.local:8091",
"interestingStats": {
"cmd_get": 0,
"couch_docs_actual_disk_size": 8738998,
"couch_docs_data_size": 8731404,
"couch_views_actual_disk_size": 0,
"couch_views_data_size": 0,
"curr_items": 2993,
"curr_items_tot": 6007,
"ep_bg_fetched": 0,
"get_hits": 0,
"mem_used": 26471104,
"ops": 0,
"vb_replica_curr_items": 3014
},
"mcdMemoryAllocated": 1198,
"mcdMemoryReserved": 1198,
"memoryFree": 1204998144,
"memoryTotal": 1570267136,
"os": "x86_64-unknown-linux-gnu",
"otpCookie": "hieaxwmjpejsownq",
"otpNode": "ns_1@cb2.local",
"ports": {
"direct": 11210,
"httpsCAPI": 18092,
"httpsMgmt": 18091,
"proxy": 11211,
"sslProxy": 11214
},
"recoveryType": "none",
"status": "healthy",
"systemStats": {
"cpu_utilization_rate": 1.5,
"mem_free": 1204998144,
"mem_total": 1570267136,
"swap_total": 1610608640,
"swap_used": 0
},
"uptime": "138",
"version": "3.1.1-1807-rel-enterprise"
},
{
"clusterCompatibility": 196608,
"clusterMembership": "active",
"couchApiBase": "http://cb3.local:8092/",
"hostname": "cb3.local:8091",
"interestingStats": {
"cmd_get": 0,
"couch_docs_actual_disk_size": 7927945,
"couch_docs_data_size": 7920351,
"couch_views_actual_disk_size": 0,
"couch_views_data_size": 0,
"curr_items": 3012,
"curr_items_tot": 5982,
"ep_bg_fetched": 0,
"get_hits": 0,
"mem_used": 27154528,
"ops": 0,
"vb_replica_curr_items": 2970
},
"mcdMemoryAllocated": 1198,
"mcdMemoryReserved": 1198,
"memoryFree": 1192697856,
"memoryTotal": 1570267136,
"os": "x86_64-unknown-linux-gnu",
"otpCookie": "hieaxwmjpejsownq",
"otpNode": "ns_1@cb3.local",
"ports": {
"direct": 11210,
"httpsCAPI": 18092,
"httpsMgmt": 18091,
"proxy": 11211,
"sslProxy": 11214
},
"recoveryType": "none",
"status": "healthy",
"systemStats": {
"cpu_utilization_rate": 3.045685279187817,
"mem_free": 1192697856,
"mem_total": 1570267136,
"swap_total": 1610608640,
"swap_used": 0
},
"uptime": "142",
"version": "3.1.1-1807-rel-enterprise"
}
],
"rebalanceProgressUri": "/pools/default/rebalanceProgress",
"rebalanceStatus": "none",
"remoteClusters": {
"uri": "/pools/default/remoteClusters?uuid=0fe4268d8fe0865405d7f6ccabd7f34c",
"validateURI": "/pools/default/remoteClusters?just_validate=1"
},
"serverGroupsUri": "/pools/default/serverGroups?v=5491273",
"stopRebalanceUri": "/controller/stopRebalance?uuid=0fe4268d8fe0865405d7f6ccabd7f34c",
"storageTotals": {
"hdd": {
"free": 19890890343,
"quotaTotal": 24863612928,
"total": 24863612928,
"used": 4972722585,
"usedByData": 25754239
},
"ram": {
"quotaTotal": 3743416320,
"quotaTotalPerNode": 1247805440,
"quotaUsed": 805306368,
"quotaUsedPerNode": 268435456,
"total": 4710801408,
"used": 3990179840,
"usedByData": 80158528
}
},
"tasks": {
"uri": "/pools/default/tasks?v=68345699"
},
"visualSettingsUri": "/internalSettings/visual?v=7111573"
}
</codeblock>
</section>
</refbody>
</reference>