etherpad-lite/bin/migrateDirtyDBtoRealDB.js

43 lines
1.8 KiB
JavaScript

require("ep_etherpad-lite/node_modules/npm").load({}, function(er,npm) {
process.chdir(npm.root+'/..')
// This script requires that you have modified your settings.json file
// to work with a real database. Please make a backup of your dirty.db
// file before using this script, just to be safe.
// It might be necessary to run the script using more memory:
// `node --max-old-space-size=4096 bin/migrateDirtyDBtoRealDB.js`
var settings = require("ep_etherpad-lite/node/utils/Settings");
var dirty = require("../src/node_modules/dirty")('var/dirty.db');
var ueberDB = require("../src/node_modules/ueberdb2");
var log4js = require("../src/node_modules/log4js");
var dbWrapperSettings = {
"cache": "0", // The cache slows things down when you're mostly writing.
"writeInterval": 0 // Write directly to the database, don't buffer
};
var db = new ueberDB.database(settings.dbType, settings.dbSettings, dbWrapperSettings, log4js.getLogger("ueberDB"));
db.init(function() {
console.log("Waiting for dirtyDB to parse its file.");
dirty.on("load", function(length) {
console.log("Loaded " + length + " records, processing now.");
var remaining = length;
dirty.forEach(function(key, value) {
db.set(key, value, function(error) {
if (typeof error != 'undefined') {
console.log("Unexpected result handling: ", key, value, " was: ", error);
}
remaining -= 1;
var oldremaining = remaining;
if ((oldremaining % 100) == 0) {
console.log("Records not yet flushed to database: ", remaining);
}
});
});
console.log("Please wait for all records to flush to database, then kill this process.");
});
});
});