README
¶
InfluxDB 
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.
- Data can be tagged, allowing very flexible querying.
- SQL-like query language.
- 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 startif you have installed InfluxDB using an official Debian or RPM package.systemctl start influxdbif you have installed InfluxDB using an official Debian or RPM package, and are running a distro withsystemd. For example, Ubuntu 15 or later.$GOPATH/bin/influxdif 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 load=42 1434055562000000000'
curl -XPOST 'http://localhost:8086/write?db=mydb' \
-d 'cpu,host=server02,region=uswest load=78 1434055562000000000'
curl -XPOST 'http://localhost:8086/write?db=mydb' \
-d 'cpu,host=server03,region=useast load=15.4 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' AND time < now() - 1d"
Analyze the data
curl -G http://localhost:8086/query?pretty=true --data-urlencode "db=mydb" \
--data-urlencode "q=SELECT mean(load) FROM cpu WHERE region='uswest'"
Helpful Links
- Understand the design goals and motivations of the project.
- Follow the getting started guide to find out how to install InfluxDB, start writing more data, and issue more queries - in just a few minutes.
- See the HTTP API documentation to start writing a library for your favorite language.
Documentation
¶
Index ¶
- Variables
- func ErrDatabaseNotFound(name string) error
- func ErrMeasurementNotFound(name string) error
- func ErrRetentionPolicyNotFound(name string) error
- func Errorf(format string, a ...interface{}) (err error)
- func IsClientError(err error) bool
- func NewStatistics(key, name string, tags map[string]string) *expvar.Map
- type Balancer
Constants ¶
This section is empty.
Variables ¶
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 ErrMeasurementNotFound ¶
func IsClientError ¶
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 ¶
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
Source Files
Directories
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| Path | Synopsis |
|---|---|
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internal
Package internal is a generated protocol buffer package.
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Package internal is a generated protocol buffer package. |
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cmd
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influx
command
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influx_stress
command
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influxd
command
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inspect
command
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importer
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Package influxql implements a parser for the InfluxDB query language.
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Package influxql implements a parser for the InfluxDB query language. |
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internal
Package internal is a generated protocol buffer package.
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Package internal is a generated protocol buffer package. |
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pkg
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services
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collectd/test_client
command
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copier/internal
Package internal is a generated protocol buffer package.
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Package internal is a generated protocol buffer package. |
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hh
Package hh implements a hinted handoff for writes
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Package hh implements a hinted handoff for writes |
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tests
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urlgen
command
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Package tsdb implements a durable time series database.
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Package tsdb implements a durable time series database. |
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engine/wal
Package WAL implements a write ahead log optimized for write throughput that can be put in front of the database index.
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Package WAL implements a write ahead log optimized for write throughput that can be put in front of the database index. |
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internal
Package internal is a generated protocol buffer package.
|
Package internal is a generated protocol buffer package. |