cartodb/Windshaft-cartodb
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trying to avoid precision problems with small time measures

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javi 2011-10-20 16:46:39 +02:00
parent aef709a453
commit 91d3bc66c8
1 changed files with 5 additions and 5 deletions
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10
lib/cartodb/tile_cache.js
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@ -55,7 +55,7 @@ function GenericCache (cache_policy, cache_validator) {
} }
me.beforeTileRender = function(req, res, callback) { me.beforeTileRender = function(req, res, callback) {
req.windshaft_start = new Date().getTime()/1000.0; req.windshaft_start = new Date().getTime();
var key = cache_key(req); var key = cache_key(req);
var tile = me.cache.get(key); var tile = me.cache.get(key);
if(tile) { if(tile) {
@ -67,9 +67,9 @@ function GenericCache (cache_policy, cache_validator) {
callback(null); callback(null);
} else { } else {
me.cache_hits++; me.cache_hits++;
var timestamp = new Date().getTime()/1000.0; var timestamp = new Date().getTime();
var delta = timestamp - req.windshaft_start; var delta = timestamp - req.windshaft_start;
tile.cache_time = delta; tile.cache_time = delta/1000.0;
tile.hits++; tile.hits++;
res.header('X-Cache-hit', 'true'); res.header('X-Cache-hit', 'true');
res.send(tile.tile, tile.headers, 200); res.send(tile.tile, tile.headers, 200);
@ -82,13 +82,13 @@ function GenericCache (cache_policy, cache_validator) {
} }
me.afterTileRender = function(req, res, tile, headers, callback) { me.afterTileRender = function(req, res, tile, headers, callback) {
var timestamp = new Date().getTime()/1000.0; var timestamp = new Date().getTime();
var delta = timestamp - req.windshaft_start; var delta = timestamp - req.windshaft_start;
me.cache.put(cache_key(req), { me.cache.put(cache_key(req), {
tile: tile, tile: tile,
headers: headers, headers: headers,
timestamp: timestamp, timestamp: timestamp,
render_time: delta, render_time: delta/1000.0,
hits: 0}); hits: 0});
update_items(me.cache.size || 0); update_items(me.cache.size || 0);
callback(null, tile, headers); callback(null, tile, headers);