提交 9928432a 编写于 作者: S shlomi-noach

Updated README

上级 fce84af3
orchestrator orchestrator [[Manual]](https://github.com/outbrain/orchestrator/wiki/Orchestrator-Manual)
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_Orchestrator_ is a MySQL replication topology management and visualization tool, allowing for: _Orchestrator_ is a MySQL replication topology management and visualization tool, allowing for:
* Detection and interrogation of replication clusters ### Discovery
* Safe topology refactoring: moving slaves around the topology
* Fail over and rematching of slaves even as master or local masters are inaccessible (via Pseudo GTID)
* Sleek topology visualization
* Replication problems visualization
* Topology changes via intuitive drag & drop
* Maintenance mode declaration and enforcement
* Reviewing and killing long running queries
* Auditing of operations
* When working with [orchestrator-agent](https://github.com/outbrain/orchestrator-agent), seed new/corrupt instances
* More...
Read the [Orchestrator Manual](https://github.com/outbrain/orchestrator/wiki/Orchestrator-Manual) for comprehensive documentation. _orchestrator_ actively crawls through your topologies and maps them. It reads basic MySQL info such as replication status and configuration.
It provides with slick visualization of your topologies, including replication problems, even in the face of failures.
### Refactoring
_orchestrator_ understands replication rules. It knows about binlog file:position, GTID, Pseudo GTID, Binlog Servers.
Refactoring replication topologies can be a matter of drag & drop a replica under another master. Moving slaves around becomes
safe: _orchestrator_ will reject an illegal refactoring attempt.
Find grained control is achieved by various command line options.
### Recovery
_Orchestrator_ uses a holistic approach to detect master and intermediate master failures. Based on information gained from
the topology itself, it recognizes a variety of failure scenarios.
Configurable, it may choose to perform automated recovery (or allow the user to choose type of manual recovery). Intermediate master
recovery achieved internally to _orchestrator_. Master failover supported by pre/post failure hooks.
Recovery process utilizes _orchestrator's_ understanding of the topology and of its ability to perform refactoring. It is based on _state_ as opposed to _configuration_: _orchestrator_ picks the best recovery method by investigating/evaluating the topology at the time of
recovery itself.
### The interface
_Orchestrator_ supports:
- Command line interface (love your debug messages, take control of automated scripting)
- Web API (HTTP GET access)
- Web interface, a _slick_ one.
![Orcehstrator screenshot](https://github.com/outbrain/orchestrator/wiki/images/orchestrator-simple.png) ![Orcehstrator screenshot](https://github.com/outbrain/orchestrator/wiki/images/orchestrator-simple.png)
Refactoring the topology is a matter of a simple drag & drop. _Orchestrator_ will keep you safe by disallowing invalid replication topologies ### More
(e.g. replicating from ROW based to STATEMENT based, from 5.5 to 5.1 etc.)
_Orchestrator_ is developed at [Outbrain](http://www.outbrain.com/) to answer for the difficulty in managing replication topologies. - Auditing
At the time of _orchestrator_ creation GTID is available via MySQL 5.6 and MariaDB 10.0. And yet GTID is still not as mature as one would hope for. - Supports Pseudo-GTID
The majority of users still use plain-old binlog file:position based MySQL replication, and apparently this will hold for some time. - Datacenter/physical location awareness
- Maintenenace/downtime server states
- MySQL-Pool association
- Run as a service; orchestrator multi-service HA
- HTTP security/authentication methods
- When working with [orchestrator-agent](https://github.com/outbrain/orchestrator-agent), seed new/corrupt instances
- More...
Read the [Orchestrator Manual](https://github.com/outbrain/orchestrator/wiki/Orchestrator-Manual) for comprehensive documentation.
Authored by [Shlomi Noach](https://github.com/shlomi-noach) Authored by [Shlomi Noach](https://github.com/shlomi-noach) at [Booking.com](http://booking.com) and previously at [Outbrain](http://outbrain.com)
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