redis-sync

redis replication slave

npm install redis-sync
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redis-sync

A node.js redis replication slave toolkit.

redis-sync implements the replication slave side of the SYNC command, streaming in all commands that modify the dataset. It can also use rdb-parser to parse the dataset dump that precedes the commands.

Installation

npm install redis-sync

Usage

var redisSync = require('redis-sync');
var sync = new redisSync.Sync();

sync.on('command', function(command, args) {
  console.log('command', command, args);
});

sync.on('inlineCommand', function(buffers) {
  // the server sends regular PING commands
  console.log('inline command', buffers);
});

sync.on('error', function(err) {
  console.error(err);
});

sync.on('end', function() {
  console.log('end');
});

sync.connect();

Upon connection, the master will transfer the entire database in RDB format, before sending any commands. redis-sync will use rdb-parser to parse it as it streams in, if you pass true to Sync

var redisSync = require('redis-sync');
var sync = new redisSync.Sync(true);

sync.rdb.on('entity', function(e) {
  console.log(e);
});
sync.rdb.on('error', function(err) {
  console.error(err);
});
sync.rdb.on('end', function() {
  console.log('end of rdb');
});

License

(The MIT License)

Copyright (c) 2011-2012 Carlos Guerreiro, perceptiveconstructs.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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