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https://issues.apache.org/jira/browse/SOLR-6325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shalin Shekhar Mangar updated SOLR-6325:
----------------------------------------
Attachment: SOLR-6325.patch
Here's a rough patch which returns per-shard statistics:
{code}
curl
'http://localhost:8983/solr/admin/collections?action=clusterstatus&stats=true&name=collection1&shard=shard1&wt=json&indent=on'
{code}
{code}
{
"responseHeader":{
"status":0,
"QTime":2023},
"cluster":{
"collections":{
"collection1":{
"shards":{"shard1":{
"range":"80000000-ffffffff",
"state":"active",
"replicas":{"core_node1":{
"state":"active",
"base_url":"http://127.0.1.1:8983/solr";,
"core":"collection1",
"node_name":"127.0.1.1:8983_solr",
"leader":"true"}},
"/update":{
"75thPcRequestTime":0.0,
"15minRateReqsPerSecond":0.0,
"999thPcRequestTime":0.0,
"99thPcRequestTime":0.0,
"95thPcRequestTime":0.0,
"5minRateReqsPerSecond":0.0,
"timeouts":0,
"requests":0,
"avgRequestsPerSecond":0.0,
"errors":0,
"avgTimePerRequest":0.0,
"medianRequestTime":0.0,
"handlerStart":1407367247133,
"totalTime":0.0},
"/select":{
"75thPcRequestTime":26.804607,
"15minRateReqsPerSecond":0.19779007785878447,
"999thPcRequestTime":26.804607,
"99thPcRequestTime":26.804607,
"95thPcRequestTime":26.804607,
"5minRateReqsPerSecond":0.1934432200964012,
"timeouts":0,
"requests":1,
"avgRequestsPerSecond":0.05091259561701815,
"errors":0,
"avgTimePerRequest":26.804607,
"medianRequestTime":26.804607,
"handlerStart":1407367247129,
"totalTime":26.804607},
"/get":{
"75thPcRequestTime":0.0,
"15minRateReqsPerSecond":0.0,
"999thPcRequestTime":0.0,
"99thPcRequestTime":0.0,
"95thPcRequestTime":0.0,
"5minRateReqsPerSecond":0.0,
"timeouts":0,
"requests":0,
"avgRequestsPerSecond":0.0,
"errors":0,
"avgTimePerRequest":0.0,
"medianRequestTime":0.0,
"handlerStart":1407367247131,
"totalTime":0.0},
"/replication":{
"15minRateReqsPerSecond":0.0,
"75thPcRequestTime":0.0,
"999thPcRequestTime":0.0,
"isSlave":"false",
"99thPcRequestTime":0.0,
"95thPcRequestTime":0.0,
"replicateAfter":["commit"],
"5minRateReqsPerSecond":0.0,
"indexPath":"/home/shalin/work/oss/shalin-lusolr/solr/example1/solr/collection1/data/index/",
"replicationEnabled":"true",
"timeouts":0,
"requests":0,
"avgRequestsPerSecond":0.0,
"errors":0,
"avgTimePerRequest":0.0,
"indexSize":"89 bytes",
"indexVersion":0,
"isMaster":"true",
"medianRequestTime":0.0,
"handlerStart":1407367247142,
"generation":1,
"totalTime":0.0}}},
"maxShardsPerNode":"1",
"router":{"name":"compositeId"},
"replicationFactor":"1",
"autoCreated":"true"}},
"live_nodes":["127.0.1.1:7574_solr",
"127.0.1.1:8983_solr"]}}
{code}
The handler names are hard-coded right now but I'm hoping that the work being
done in SOLR-6191 will help introspect the capabilities of a node and let us
read the names of the interesting handlers.
> Expose per-collection and per-shard aggregate statistics
> --------------------------------------------------------
>
> Key: SOLR-6325
> URL: https://issues.apache.org/jira/browse/SOLR-6325
> Project: Solr
> Issue Type: Sub-task
> Components: SolrCloud
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Fix For: 4.9, 5.0
>
> Attachments: SOLR-6325.patch
>
>
> SolrCloud doesn't provide any aggregate stats about the cluster or a
> collection. Very common questions such as document counts per shard, index
> sizes, request rates etc cannot be answered easily without figuring out the
> cluster state, invoking multiple core admin APIs and aggregating them
> manually.
> I propose that we expose an API which returns each of the following on a
> per-collection and per-shard basis:
> # Document counts
> # Index size on disk
> # Query request rate
> # Indexing request rate
> # Real time get request rate
> I am not yet sure if this should be a distributed search component or a
> collection API.
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