Merge branch 'master' into standalone-server

Conflicts:
	app.js
	npm-shrinkwrap.json
	package.json

NEWS.md

@@ -1,10 +1,50 @@
 # Changelog
 
-## 2.8.1
+## 2.12.1
 
 Released 2015-mm-dd
 
 
+
+## 2.12.0
+
+Released 2015-08-27
+
+Announcements:
+ - Upgrades windshaft to [0.51.0](https://github.com/CartoDB/Windshaft/releases/tag/0.51.0)
+
+New features:
+ - Make http and https globalAgent options configurable
+   * If config is not provided it configures them with default values
+
+
+## 2.11.0
+
+Released 2015-08-26
+
+Announcements:
+ - Upgrades windshaft to [0.50.0](https://github.com/CartoDB/Windshaft/releases/tag/0.50.0)
+
+
+## 2.10.0
+
+Released 2015-08-18
+
+New features:
+ - Exposes metatile cache configuration for tilelive-mapnik, see configuration sample files for more information.
+
+Announcements:
+ - Upgrades windshaft to [0.49.0](https://github.com/CartoDB/Windshaft/releases/tag/0.49.0)
+
+
+## 2.9.0
+
+Released 2015-08-06
+
+New features:
+ - Send memory usage stats
+
+
 ## 2.8.0
 
 Released 2015-07-15

app.js

@@ -1,6 +1,10 @@
+var http = require('http');
+var https = require('https');
 var path = require('path');
 var fs = require('fs');
 
+var _ = require('underscore');
+
 var ENVIRONMENT;
 if ( process.argv[2] ) {
     ENVIRONMENT = process.argv[2];
@@ -38,6 +42,17 @@ if (global.environment.uv_threadpool_size) {
     process.env.UV_THREADPOOL_SIZE = global.environment.uv_threadpool_size;
 }
 
+// set global HTTP and HTTPS agent default configurations
+// ref https://nodejs.org/api/http.html#http_new_agent_options
+var agentOptions = _.defaults(global.environment.httpAgent || {}, {
+    keepAlive: false,
+    keepAliveMsecs: 1000,
+    maxSockets: Infinity,
+    maxFreeSockets: 256
+});
+http.globalAgent = new http.Agent(agentOptions);
+https.globalAgent = new https.Agent(agentOptions);
+
 if ( global.environment.log_filename ) {
   var logdir = path.dirname(global.environment.log_filename);
   // See cwd inlog4js.configure call below
@@ -79,12 +94,19 @@ server.listen(serverOptions.bind.port, serverOptions.bind.host);
 var version = require("./package").version;
 
 server.on('listening', function() {
-  console.log(
-      "Windshaft tileserver %s started on %s:%s (%s)",
-      version, serverOptions.bind.host, serverOptions.bind.port, ENVIRONMENT
-  );
+    console.log(
+        "Windshaft tileserver %s started on %s:%s PID=%d (%s)",
+        version, serverOptions.bind.host, serverOptions.bind.port, process.pid, ENVIRONMENT
+    );
 });
 
+setInterval(function() {
+    var memoryUsage = process.memoryUsage();
+    Object.keys(memoryUsage).forEach(function(k) {
+        global.statsClient.gauge('windshaft.memory.' + k, memoryUsage[k]);
+    });
+}, 5000);
+
 process.on('SIGHUP', function() {
     global.log4js.clearAndShutdownAppenders(function() {
         global.log4js.configure(log4js_config);

config/environments/development.js.example

@@ -101,6 +101,17 @@ var config = {
           // wasted time.
           metatile: 2,
 
+          // tilelive-mapnik uses an internal cache to store tiles/grids
+          // generated when using metatile. This options allow to tune
+          // the behaviour for that internal cache.
+          metatileCache: {
+              // Time an object must stay in the cache until is removed
+              ttl: 0,
+              // Whether an object must be removed after the first hit
+              // Usually you want to use `true` here when ttl>0.
+              deleteOnHit: false
+          },
+
           // Override metatile behaviour depending on the format
           formatMetatile: {
               png: 2,
@@ -185,6 +196,13 @@ var config = {
         unwatchOnRelease: false, // Send unwatch on release, see http://github.com/CartoDB/Windshaft-cartodb/issues/161
         noReadyCheck: true // Check `no_ready_check` at https://github.com/mranney/node_redis/tree/v0.12.1#overloading
     }
+    // For more details about this options check https://nodejs.org/api/http.html#http_new_agent_options
+    ,httpAgent: {
+        keepAlive: true,
+        keepAliveMsecs: 1000,
+        maxSockets: 25,
+        maxFreeSockets: 256
+    }
     ,varnish: {
         host: 'localhost',
         port: 6082, // the por for the telnet interface where varnish is listening to

config/environments/production.js.example

@@ -95,6 +95,17 @@ var config = {
           // wasted time.
           metatile: 2,
 
+          // tilelive-mapnik uses an internal cache to store tiles/grids
+          // generated when using metatile. This options allow to tune
+          // the behaviour for that internal cache.
+          metatileCache: {
+              // Time an object must stay in the cache until is removed
+              ttl: 0,
+              // Whether an object must be removed after the first hit
+              // Usually you want to use `true` here when ttl>0.
+              deleteOnHit: false
+          },
+
           // Override metatile behaviour depending on the format
           formatMetatile: {
               png: 2,
@@ -179,6 +190,13 @@ var config = {
         unwatchOnRelease: false, // Send unwatch on release, see http://github.com/CartoDB/Windshaft-cartodb/issues/161
         noReadyCheck: true // Check `no_ready_check` at https://github.com/mranney/node_redis/tree/v0.12.1#overloading
     }
+    // For more details about this options check https://nodejs.org/api/http.html#http_new_agent_options
+    ,httpAgent: {
+        keepAlive: true,
+        keepAliveMsecs: 1000,
+        maxSockets: 25,
+        maxFreeSockets: 256
+    }
     ,varnish: {
         host: 'localhost',
         port: 6082, // the por for the telnet interface where varnish is listening to

config/environments/staging.js.example

@@ -95,6 +95,17 @@ var config = {
           // wasted time.
           metatile: 2,
 
+          // tilelive-mapnik uses an internal cache to store tiles/grids
+          // generated when using metatile. This options allow to tune
+          // the behaviour for that internal cache.
+          metatileCache: {
+              // Time an object must stay in the cache until is removed
+              ttl: 0,
+              // Whether an object must be removed after the first hit
+              // Usually you want to use `true` here when ttl>0.
+              deleteOnHit: false
+          },
+
           // Override metatile behaviour depending on the format
           formatMetatile: {
               png: 2,
@@ -179,6 +190,13 @@ var config = {
         unwatchOnRelease: false, // Send unwatch on release, see http://github.com/CartoDB/Windshaft-cartodb/issues/161
         noReadyCheck: true // Check `no_ready_check` at https://github.com/mranney/node_redis/tree/v0.12.1#overloading
     }
+    // For more details about this options check https://nodejs.org/api/http.html#http_new_agent_options
+    ,httpAgent: {
+        keepAlive: true,
+        keepAliveMsecs: 1000,
+        maxSockets: 25,
+        maxFreeSockets: 256
+    }
     ,varnish: {
         host: 'localhost',
         port: 6082, // the por for the telnet interface where varnish is listening to

config/environments/test.js.example

@@ -95,6 +95,17 @@ var config = {
           // wasted time.
           metatile: 2,
 
+          // tilelive-mapnik uses an internal cache to store tiles/grids
+          // generated when using metatile. This options allow to tune
+          // the behaviour for that internal cache.
+          metatileCache: {
+              // Time an object must stay in the cache until is removed
+              ttl: 0,
+              // Whether an object must be removed after the first hit
+              // Usually you want to use `true` here when ttl>0.
+              deleteOnHit: false
+          },
+
           // Override metatile behaviour depending on the format
           formatMetatile: {
               png: 2,
@@ -181,6 +192,13 @@ var config = {
         unwatchOnRelease: false, // Send unwatch on release, see http://github.com/CartoDB/Windshaft-cartodb/issues/161
         noReadyCheck: true // Check `no_ready_check` at https://github.com/mranney/node_redis/tree/v0.12.1#overloading
     }
+    // For more details about this options check https://nodejs.org/api/http.html#http_new_agent_options
+    ,httpAgent: {
+        keepAlive: true,
+        keepAliveMsecs: 1000,
+        maxSockets: 25,
+        maxFreeSockets: 256
+    }
     ,varnish: {
         host: '',
         port: null, // the por for the telnet interface where varnish is listening to

package.json

@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "windshaft-cartodb",
-    "version": "2.8.1",
+    "version": "2.12.1",
     "description": "A map tile server for CartoDB",
     "keywords": [
       "cartodb"