influxdb

package module
v0.9.2 Latest Latest
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 Go to latest Published: Jul 24, 2015 License: MIT Imports: 10 Imported by: 0

README

InfluxDB Circle CI

An Open-Source, Distributed, Time Series Database

InfluxDB v0.9.0 is now out. Going forward, the 0.9.x series of releases will not make breaking API changes or breaking changes to the underlying data storage. However, 0.9.0 clustering should be considered an alpha release.

InfluxDB is an open source distributed time series database with no external dependencies. It's useful for recording metrics, events, and performing analytics.

Features

  • Built-in HTTP API so you don't have to write any server side code to get up and running.
  • Clustering is supported out of the box, so that you can scale horizontally to handle your data.
  • Simple to install and manage, and fast to get data in and out.
  • It aims to answer queries in real-time. That means every data point is indexed as it comes in and is immediately available in queries that should return in < 100ms.

Getting Started

The following directions apply only to the 0.9.0 release or building from the source on master.

Building

You don't need to build the project to use it - you can use any of our pre-built packages to install InfluxDB. That's the recommended way to get it running. However, if you want to contribute to the core of InfluxDB, you'll need to build. For those adventurous enough, you can follow along on our docs.

Starting InfluxDB
  • service influxdb start if you have installed InfluxDB using an official Debian or RPM package.
  • $GOPATH/bin/influxd if you have built InfluxDB from source.
Creating your first database
curl -G 'http://localhost:8086/query' --data-urlencode "q=CREATE DATABASE mydb"
Insert some data
curl -XPOST 'http://localhost:8086/write?db=mydb' \
-d 'cpu,host=server01,region=uswest value=1.0 1434055562000000000'
Query for the data
curl -G http://localhost:8086/query?pretty=true --data-urlencode "db=mydb" \
--data-urlencode "q=SELECT * FROM cpu WHERE host='server01'"

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	// ErrFieldsRequired is returned when a point does not any fields.
	ErrFieldsRequired = errors.New("fields required")

	// ErrFieldTypeConflict is returned when a new field already exists with a different type.
	ErrFieldTypeConflict = errors.New("field type conflict")
)

Functions

func ErrDatabaseNotFound 

func ErrDatabaseNotFound(name string) error

func ErrMeasurementNotFound 

func ErrMeasurementNotFound(name string) error

func Errorf 

func Errorf(format string, a ...interface{}) (err error)

func IsClientError 

func IsClientError(err error) bool

IsClientError indicates whether an error is a known client error.

Types

type Balancer 

type Balancer interface {
	// Next returns the next Node according to the balancing method
	// or nil if there are no nodes available
	Next() *meta.NodeInfo
}

Balancer represents a load-balancing algorithm for a set of nodes

func NewNodeBalancer 

func NewNodeBalancer(nodes []meta.NodeInfo) Balancer

NewNodeBalancer create a shuffled, round-robin balancer so that multiple instances will return nodes in randomized order and each each returned node will be repeated in a cycle

type BuildDiagnostics 

type BuildDiagnostics struct {
	Version    string
	CommitHash string
}

BuildDiagnostics capture basic build version information.

func (*BuildDiagnostics) AsRow 

func (b *BuildDiagnostics) AsRow(measurement string, tags map[string]string) *influxql.Row

AsRow returns the BuildDiagnostics object as an InfluxQL row.

type GoDiagnostics 

type GoDiagnostics struct {
	GoMaxProcs   int
	NumGoroutine int
	Version      string
}

GoDiagnostics captures basic information about the runtime.

func NewGoDiagnostics 

func NewGoDiagnostics() *GoDiagnostics

NewGoDiagnostics returns a GoDiagnostics object.

func (*GoDiagnostics) AsRow 

func (g *GoDiagnostics) AsRow(measurement string, tags map[string]string) *influxql.Row

AsRow returns the GoDiagnostic object as an InfluxQL row.

type MemoryDiagnostics 

type MemoryDiagnostics struct {
	Alloc        int64
	TotalAlloc   int64
	Sys          int64
	Lookups      int64
	Mallocs      int64
	Frees        int64
	HeapAlloc    int64
	HeapSys      int64
	HeapIdle     int64
	HeapInUse    int64
	HeapReleased int64
	HeapObjects  int64
	PauseTotalNs int64
	NumGC        int64
}

MemoryDiagnostics captures Go memory stats.

func NewMemoryDiagnostics 

func NewMemoryDiagnostics() *MemoryDiagnostics

NewMemoryDiagnostics returns a MemoryDiagnostics object.

func (*MemoryDiagnostics) AsRow 

func (m *MemoryDiagnostics) AsRow(measurement string, tags map[string]string) *influxql.Row

AsRow returns the MemoryDiagnostics object as an InfluxQL row.

type SystemDiagnostics 

type SystemDiagnostics struct {
	Hostname string
	PID      int
	OS       string
	Arch     string
	NumCPU   int
}

SystemDiagnostics captures basic machine data.

func NewSystemDiagnostics 

func NewSystemDiagnostics() *SystemDiagnostics

NewSystemDiagnostics returns a SystemDiagnostics object.

func (*SystemDiagnostics) AsRow 

func (s *SystemDiagnostics) AsRow(measurement string, tags map[string]string) *influxql.Row

AsRow returns the GoDiagnostic object as an InfluxQL row.

Source Files

View all Source files

Directories

Path Synopsis
internal
Package internal is a generated protocol buffer package.
 Package internal is a generated protocol buffer package.
cmd
influx command
influxd command
influxd/backup
influxd/help
influxd/restore
influxd/run
Package influxql implements a parser for the InfluxDB query language.
 Package influxql implements a parser for the InfluxDB query language.
internal
Package internal is a generated protocol buffer package.
 Package internal is a generated protocol buffer package.
services
admin
collectd
collectd/test_client command
continuous_querier
graphite
hh
Package hh implements a hinted handoff for writes
 Package hh implements a hinted handoff for writes
httpd
monitor
opentsdb
precreator
retention
snapshotter
udp
tests
urlgen command
Package tsdb implements a durable time series database.
 Package tsdb implements a durable time series database.
internal
Package internal is a generated protocol buffer package.
 Package internal is a generated protocol buffer package.
The uuid package can be used to generate and parse universally unique identifiers, a standardized format in the form of a 128 bit number.
 The uuid package can be used to generate and parse universally unique identifiers, a standardized format in the form of a 128 bit number.

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