X-Git-Url: https://arthur.barton.de/gitweb/?a=blobdiff_plain;f=README.md;h=9333fff32a59761e7e99d9b7f1384a26e35313e2;hb=06df357fc899716ab7bc48302cbc14157eb6cb96;hp=c44b3efd5319b031dff4f3f0bffe0b26ce3a8126;hpb=7ab3b2f74d3b82c84a11daa1751e5d9e9ddf0af7;p=netdata.git
diff --git a/README.md b/README.md
index c44b3efd..9333fff3 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,14 @@
> *New to netdata? Here is a live demo: [http://my-netdata.io](http://my-netdata.io)*
-**netdata** is an application for **real-time performance and health monitoring**. It provides **unparalleled insights, in real-time**, of everything happening on the system it runs (including key applications such as web and database servers), using **modern interactive web dashboards**.
+**netdata** is a system for **real-time performance and health monitoring**.
+It provides **unparalleled insights, in real-time**, of everything happening on the
+system it runs (including applications such as web and database servers), using
+**modern interactive web dashboards**.
-_netdata is **very fast** and **super efficient**, designed to permanently run on all systems (**physical** & **virtual** servers, **containers**, **IoT** devices), without disrupting their core function._
+_netdata is **fast** and **efficient**, designed to permanently run on all systems
+(**physical** & **virtual** servers, **containers**, **IoT** devices), without
+disrupting their core function._
---
@@ -26,10 +31,10 @@ _netdata is **very fast** and **super efficient**, designed to permanently run o
`Oct 4th, 2016` - **[netdata v1.4.0 released!](https://github.com/firehol/netdata/releases)**
- - the **fastest** netdata ever (with a better look too)!
- - improved **IoT** and **containers** support!
- - **alarms** improved in almost every way!
- - new plugins: softnet netdev, extended TCP metrics, UDPLite, NFS v2, v3 client (server was there already), NFS v4 server & client, APCUPSd, RetroShare
+ - the **fastest** netdata ever (with a better look too)
+ - improved **IoT** and **containers** support
+ - **alarms** improved in almost every way
+ - new plugins: softnet netdev, extended TCP metrics, UDPLite, NFS v2, v3 client (server was there already), NFS v4 server & client, APCUPSd, RetroShare
- improved plugins: mysql, cgroups, hddtemp, sensors, phpfm, tc (QoS)
---
@@ -40,17 +45,46 @@ _netdata is **very fast** and **super efficient**, designed to permanently run o
- - **Stunning interactive bootstrap dashboards**
2 themes are provided: dark, light
- - **Blazingly fast visualization**
responds to all queries in less than 0.5 ms per metric, even on low-end hardware
- - **Highly efficient data collection**
collects thousands of metrics per server per second, with just 1% CPU utilization of a single core on modern hardware
- - **Sophisticated alarming**
supports dynamic thresholds, hysteresis, templating, multiple notification methods
- - **Extensible**
you can monitor anything you can get a metric for, using its Plugin API (anything can be a netdata plugin, BASH, python, perl, node.js, java, Go, etc)
- - **Zero configuration**
auto-detects everything, out of the box it can collect up to 5000 metrics per server
- - **Zero dependencies**
it is even its own web server, for its static web files and its web API
- - **Zero maintenance**
you just run it, it does the rest
- - **Embeddable**
it can run anywhere a Linux kernel runs (even IoT) and its charts can be embedded on your web pages too
- - **Custom dashboards**
that can be built using simple HTML (no javascript necessary)
- - **scales to infinity**
requiring minimal central resources!
+ - **Stunning interactive bootstrap dashboards**
+ 2 themes are provided: dark, light
+
+ - **Blazingly fast**
+ responds to all queries in less than 0.5 ms per metric,
+ even on low-end hardware
+
+ - **Highly efficient data collection**
+ collects thousands of metrics per server per second,
+ with just 1% CPU utilization of a single core,
+ on modern hardware
+
+ - **Sophisticated alarming**
+ supports dynamic thresholds, hysteresis, alarm templates,
+ multiple notification methods
+
+ - **Extensible**
+ you can monitor anything you can get a metric for,
+ using its Plugin API (anything can be a netdata plugin,
+ BASH, python, perl, node.js, java, Go, ruby, etc)
+
+ - **Embeddable**
+ it can run anywhere a Linux kernel runs (even IoT)
+ and its charts can be embedded on your web pages too
+
+ - **Zero configuration**
+ auto-detects everything, it can collect up to 5000 metrics
+ per server out of the box
+
+ - **Zero dependencies**
+ it is even its own web server, for its static web files and its web API
+
+ - **Zero maintenance**
+ you just run it, it does the rest
+
+ - **Custom dashboards**
+ that can be built using simple HTML (no javascript necessary)
+
+ - **scales to infinity**
+ requiring minimal central resources
![netdata](https://cloud.githubusercontent.com/assets/2662304/14092712/93b039ea-f551-11e5-822c-beadbf2b2a2e.gif)
@@ -58,77 +92,126 @@ _netdata is **very fast** and **super efficient**, designed to permanently run o
## What does it monitor?
-This is what it currently monitors (most with zero configuration):
+netdata monitors several thousands of metrics per device.
+All these metrics are collected and visualized in real-time.
-- **CPU usage, interrupts, softirqs and frequency** (total and per core)
+> _Almost all metrics are auto-detected, without any configuration._
-- **RAM, swap and kernel memory usage** (including KSM and kernel memory deduper)
+This is a list of what it currently monitors:
-- **Disks** (per disk: I/O, operations, backlog, utilization, space, etc)
+- **CPU**
+ usage, interrupts, softirqs, frequency, total and per core
+
+- **Memory**
+ RAM, swap and kernel memory usage, including KSM the kernel memory deduper
+
+- **Disks**
+ per disk: I/O, operations, backlog, utilization, space
![sda](https://cloud.githubusercontent.com/assets/2662304/14093195/c882bbf4-f554-11e5-8863-1788d643d2c0.gif)
-- **Network interfaces** (per interface: bandwidth, packets, errors, drops, etc)
+- **Network interfaces**
+ per interface: bandwidth, packets, errors, drops
![dsl0](https://cloud.githubusercontent.com/assets/2662304/14093128/4d566494-f554-11e5-8ee4-5392e0ac51f0.gif)
-- **IPv4 networking** (bandwidth, packets, errors, fragments, tcp: connections, packets, errors, handshake, udp: packets, errors, broadcast: bandwidth, packets, multicast: bandwidth, packets)
+- **IPv4 networking**
+ bandwidth, packets, errors, fragments,
+ tcp: connections, packets, errors, handshake,
+ udp: packets, errors,
+ broadcast: bandwidth, packets,
+ multicast: bandwidth, packets
-- **IPv6 networking** (bandwidth, packets, errors, fragments, ECT, udp: packets, errors, udplite: packets, errors, broadcast: bandwidth, multicast: bandwidth, packets, icmp: messages, errors, echos, router, neighbor, MLDv2, group membership, break down by type)
+- **IPv6 networking**
+ bandwidth, packets, errors, fragments, ECT,
+ udp: packets, errors,
+ udplite: packets, errors,
+ broadcast: bandwidth,
+ multicast: bandwidth, packets,
+ icmp: messages, errors, echos, router, neighbor, MLDv2, group membership,
+ break down by type
-- **netfilter / iptables Linux firewall** (connections, connection tracker events, errors, etc)
+- **netfilter / iptables Linux firewall**
+ connections, connection tracker events, errors
-- **Linux DDoS protection** (SYNPROXY metrics)
+- **Linux DDoS protection**
+ SYNPROXY metrics
-- **Processes** (running, blocked, forks, active, etc)
+- **Processes**
+ running, blocked, forks, active
-- **Entropy** (random numbers pool, using in cryptography)
+- **Entropy**
+ random numbers pool, using in cryptography
-- **NFS file servers and clients**, v2, v3, v4 (I/O, cache, read ahead, RPC calls)
+- **NFS file servers and clients**
+ NFS v2, v3, v4: I/O, cache, read ahead, RPC calls
-- **Network QoS** (yes, the only tool that visualizes network `tc` classes in realtime)
+- **Network QoS**
+ the only tool that visualizes network `tc` classes in realtime
![qos-tc-classes](https://cloud.githubusercontent.com/assets/2662304/14093004/68966020-f553-11e5-98fe-ffee2086fafd.gif)
-- **Linux Control Groups** (containers), systemd, lxc, docker, etc
+- **Linux Control Groups**
+ containers: systemd, lxc, docker
-- **Applications**, by grouping the process tree (CPU, memory, disk reads, disk writes, swap, threads, pipes, sockets, etc)
+- **Applications**
+ by grouping the process tree and reporting CPU, memory, disk reads,
+ disk writes, swap, threads, pipes, sockets - per group
![apps](https://cloud.githubusercontent.com/assets/2662304/14093565/67c4002c-f557-11e5-86bd-0154f5135def.gif)
-- **Users and User Groups resource usage**, by summarizing the process tree per user and group (CPU, memory, disk reads, disk writes, swap, threads, pipes, sockets, etc)
+- **Users and User Groups resource usage**
+ by summarizing the process tree per user and group,
+ reporting: CPU, memory, disk reads, disk writes, swap, threads, pipes, sockets
-- **Apache web servers** mod-status (v2.2, v2.4) and cache log statistics (multiple servers - compatible with lighttpd too)
+- **Apache and lighttpd web servers**
+ `mod-status` (v2.2, v2.4) and cache log statistics, for multiple servers
-- **Nginx web servers** stub-status (multiple servers)
+- **Nginx web servers**
+ `stub-status`, for multiple servers
-- **mySQL databases** (multiple servers, each showing: bandwidth, queries/s, handlers, locks, issues, tmp operations, connections, binlog metrics, threads, innodb metrics, etc)
+- **Tomcat**
+ accesses, threads, free memory, volume
-- **Redis databases** (multiple servers, each showing: operations, hit rate, memory, keys, clients, slaves)
+- **mySQL databases**
+ multiple servers, each showing: bandwidth, queries/s, handlers, locks, issues,
+ tmp operations, connections, binlog metrics, threads, innodb metrics, and more
-- **memcached databases** (multiple servers, each showing: bandwidth, connections, items, etc)
+- **Redis databases**
+ multiple servers, each showing: operations, hit rate, memory, keys, clients, slaves
-- **ISC Bind name servers** (multiple servers, each showing: clients, requests, queries, updates, failures and several per view metrics)
+- **memcached databases**
+ multiple servers, each showing: bandwidth, connections, items
-- **Postfix email servers** message queue (entries, size)
+- **ISC Bind name servers**
+ multiple servers, each showing: clients, requests, queries, updates, failures and several per view metrics
-- **exim email servers** message queue (emails queued)
+- **Postfix email servers**
+ message queue (entries, size)
-- **IPFS** (Bandwidth, Peers)
+- **exim email servers**
+ message queue (emails queued)
-- **Squid proxy servers** (multiple servers, each showing: clients bandwidth and requests, servers bandwidth and requests)
+- **IPFS**
+ bandwidth, peers
-- **Hardware sensors** (temperature, voltage, fans, power, humidity, etc)
+- **Squid proxy servers**
+ multiple servers, each showing: clients bandwidth and requests, servers bandwidth and requests
-- **NUT and APC UPSes** (load, charge, battery voltage, temperature, utility metrics, output metrics)
+- **Hardware sensors**
+ temperature, voltage, fans, power, humidity
-- **Tomcat** (accesses, threads, free memory, volume)
+- **NUT and APC UPSes**
+ load, charge, battery voltage, temperature, utility metrics, output metrics
-- **PHP-FPM** (multiple instances, each reporting connections, requests, performance)
+- **PHP-FPM**
+ multiple instances, each reporting connections, requests, performance
-- **hddtemp** (disk temperatures)
+- **hddtemp**
+ disk temperatures
-- **SNMP devices** can be monitored too (although you will need to configure these)
+- **SNMP devices**
+ can be monitored too (although you will need to configure these)
And you can extend it, by writing plugins that collect data from any source, using any computer language.