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Allow running as a cluster without Redis (#6233)

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* [database/*] Allow databases other than Redis to provide pubsub for clustering if Redis is not present

* [pubsub] Delay messages sent before the database is ready until the database is ready.

* [pubsub] Restore old behavior of not using the database in non-clustered NodeBB instances.

See comment: https://github.com/NodeBB/NodeBB/pull/6233#issuecomment-357814968
This commit is contained in:
Ben Lubar
2018-01-18 12:02:56 -06:00
committed by Barış Soner Uşaklı
parent c20aca8933
commit e85aabbe74
8 changed files with 165 additions and 80 deletions
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19
src/database/mongo/hash.js
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@@ -5,7 +5,6 @@ module.exports = function (db, module) {
var LRU = require('lru-cache');
var _ = require('lodash');
var pubsub = require('../../pubsub');
var cache = LRU({
max: 10000,
@@ -17,24 +16,6 @@ module.exports = function (db, module) {
cache.hits = 0;
module.objectCache = cache;
pubsub.on('mongo:hash:cache:del', function (key) {
cache.del(key);
});
pubsub.on('mongo:hash:cache:reset', function () {
cache.reset();
});
module.delObjectCache = function (key) {
pubsub.publish('mongo:hash:cache:del', key);
cache.del(key);
};
module.resetObjectCache = function () {
pubsub.publish('mongo:hash:cache:reset');
cache.reset();
};
module.setObject = function (key, data, callback) {
callback = callback || helpers.noop;
if (!key || !data) {