solr

README

Solr input plugin

The solr plugin collects stats via the MBean Request Handler

More about performance statistics

Tested from 3.5 to 7.*

Configuration:

[[inputs.solr]]
  ## specify a list of one or more Solr servers
  servers = ["http://localhost:8983"]
  ##
  ## specify a list of one or more Solr cores (default - all)
  # cores = ["main"]

Example output of gathered metrics:

➜  ~ telegraf -config telegraf.conf -input-filter solr -test
* Plugin: solr, Collection 1
> solr_core,core=main,handler=searcher,host=testhost deleted_docs=17616645i,max_docs=261848363i,num_docs=244231718i 1478214949000000000
> solr_core,core=main,handler=core,host=testhost deleted_docs=0i,max_docs=0i,num_docs=0i 1478214949000000000
> solr_queryhandler,core=main,handler=/replication,host=testhost 15min_rate_reqs_per_second=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000444659081257,5min_rate_reqs_per_second=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014821969375,75th_pc_request_time=16.484211,95th_pc_request_time=16.484211,999th_pc_request_time=16.484211,99th_pc_request_time=16.484211,avg_requests_per_second=0.0000008443809966322143,avg_time_per_request=12.984811,errors=0i,handler_start=1474662050865i,median_request_time=11.352427,requests=3i,timeouts=0i,total_time=38.954433 1478214949000000000
> solr_queryhandler,core=main,handler=/update/extract,host=testhost 15min_rate_reqs_per_second=0,5min_rate_reqs_per_second=0,75th_pc_request_time=0,95th_pc_request_time=0,999th_pc_request_time=0,99th_pc_request_time=0,avg_requests_per_second=0,avg_time_per_request=0,errors=0i,handler_start=0i,median_request_time=0,requests=0i,timeouts=0i,total_time=0 1478214949000000000
> solr_queryhandler,core=main,handler=org.apache.solr.handler.component.SearchHandler,host=testhost 15min_rate_reqs_per_second=0,5min_rate_reqs_per_second=0,75th_pc_request_time=0,95th_pc_request_time=0,999th_pc_request_time=0,99th_pc_request_time=0,avg_requests_per_second=0,avg_time_per_request=0,errors=0i,handler_start=1474662050861i,median_request_time=0,requests=0i,timeouts=0i,total_time=0 1478214949000000000
> solr_queryhandler,core=main,handler=/tvrh,host=testhost 15min_rate_reqs_per_second=0,5min_rate_reqs_per_second=0,75th_pc_request_time=0,95th_pc_request_time=0,999th_pc_request_time=0,99th_pc_request_time=0,avg_requests_per_second=0,avg_time_per_request=0,errors=0i,handler_start=0i,median_request_time=0,requests=0i,timeouts=0i,total_time=0 1478214949000000000
[…]

Documentation

Index

• type AdminCoresStatus
• type Cache
• type Core
• type Hitratio
• type MBeansData
• type QueryHandler
• type ResponseHeader
• type Solr
  • func NewSolr() *Solr
  • func (s *Solr) Description() string
  • func (s *Solr) Gather(acc telegraf.Accumulator) error
  • func (s *Solr) SampleConfig() string
• type UpdateHandler

Types

type AdminCoresStatus

type AdminCoresStatus struct {
	Status map[string]struct {
		Index struct {
			SizeInBytes int64 `json:"sizeInBytes"`
			NumDocs     int64 `json:"numDocs"`
			MaxDoc      int64 `json:"maxDoc"`
			DeletedDocs int64 `json:"deletedDocs"`
		} `json:"index"`
	} `json:"status"`
}

AdminCoresStatus is an exported type that contains a response with information about Solr cores.

type Cache

type Cache struct {
	Stats map[string]interface{} `json:"stats"`
}

Cache is an exported type that contains cache metrics

type Core

type Core struct {
	Stats struct {
		DeletedDocs int64 `json:"deletedDocs"`
		MaxDoc      int64 `json:"maxDoc"`
		NumDocs     int64 `json:"numDocs"`
	} `json:"stats"`
}

Core is an exported type that contains Core metrics

type Hitratio

type Hitratio interface{}

Hitratio is an helper interface so we can later on convert it to float64

type MBeansData

type MBeansData struct {
	Headers    ResponseHeader    `json:"responseHeader"`
	SolrMbeans []json.RawMessage `json:"solr-mbeans"`
}

MBeansData is an exported type that contains a response from Solr with metrics

type QueryHandler

type QueryHandler struct {
	Stats interface{} `json:"stats"`
}

QueryHandler is an exported type that contains query handler metrics

type ResponseHeader

type ResponseHeader struct {
	QTime  int64 `json:"QTime"`
	Status int64 `json:"status"`
}

ResponseHeader is an exported type that contains a response metrics: QTime and Status

type Solr

type Solr struct {
	Local       bool
	Servers     []string
	HTTPTimeout internal.Duration
	Cores       []string
	// contains filtered or unexported fields
}

Solr is a plugin to read stats from one or many Solr servers

func NewSolr

func NewSolr() *Solr

NewSolr return a new instance of Solr

func (*Solr) Description

func (s *Solr) Description() string

Description returns the plugin description.

func (*Solr) Gather

func (s *Solr) Gather(acc telegraf.Accumulator) error

Gather reads the stats from Solr and writes it to the Accumulator.

func (*Solr) SampleConfig

func (s *Solr) SampleConfig() string

SampleConfig returns sample configuration for this plugin.

type UpdateHandler

type UpdateHandler struct {
	Stats struct {
		Adds                     int64  `json:"adds"`
		AutocommitMaxDocs        int64  `json:"autocommit maxDocs"`
		AutocommitMaxTime        string `json:"autocommit maxTime"`
		Autocommits              int64  `json:"autocommits"`
		Commits                  int64  `json:"commits"`
		CumulativeAdds           int64  `json:"cumulative_adds"`
		CumulativeDeletesByID    int64  `json:"cumulative_deletesById"`
		CumulativeDeletesByQuery int64  `json:"cumulative_deletesByQuery"`
		CumulativeErrors         int64  `json:"cumulative_errors"`
		DeletesByID              int64  `json:"deletesById"`
		DeletesByQuery           int64  `json:"deletesByQuery"`
		DocsPending              int64  `json:"docsPending"`
		Errors                   int64  `json:"errors"`
		ExpungeDeletes           int64  `json:"expungeDeletes"`
		Optimizes                int64  `json:"optimizes"`
		Rollbacks                int64  `json:"rollbacks"`
		SoftAutocommits          int64  `json:"soft autocommits"`
	} `json:"stats"`
}

UpdateHandler is an exported type that contains update handler metrics