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high scalability!!! using '.' instead of 'null' string

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This commit is contained in:
jomo 2014-12-08 22:38:06 +01:00
parent 04c167f5aa
commit 0c73d39c79
1 changed files with 3 additions and 1 deletions
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4
modules/cache.js
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@ -67,6 +67,8 @@ exp.update_timestamp = function(uuid, hash) {
exp.save_hash = function(uuid, hash) {
logging.log(uuid + " cache: saving hash");
var time = new Date().getTime();
// store shorter null byte instead of "null"
hash = hash || ".";
// store uuid in lower case if not null
uuid = uuid && uuid.toLowerCase();
redis.hmset(uuid, "h", hash, "t", time);
@ -80,7 +82,7 @@ exp.get_details = function(uuid, callback) {
var details = null;
if (data) {
details = {
hash: (data.h == "null" ? null : data.h),
hash: (data.h == "." ? null : data.h),
time: Number(data.t)
};
}