e0a7eb01cc
Adds some notes about db pool params in torque
258 lines
11 KiB
Plaintext
258 lines
11 KiB
Plaintext
var config = {
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environment: 'development'
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,port: 8181
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,host: '127.0.0.1'
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// Size of the threadpool which can be used to run user code and get notified in the loop thread
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// Its default size is 4, but it can be changed at startup time (the absolute maximum is 128).
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// See http://docs.libuv.org/en/latest/threadpool.html
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,uv_threadpool_size: undefined
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// Regular expression pattern to extract username
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// from hostname. Must have a single grabbing block.
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,user_from_host: '^(.*)\\.localhost'
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// Base URLs for the APIs
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//
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// See http://github.com/CartoDB/Windshaft-cartodb/wiki/Unified-Map-API
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//
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// Base url for the Templated Maps API
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// "/api/v1/map/named" is the new API,
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// "/tiles/template" is for compatibility with versions up to 1.6.x
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,base_url_templated: '(?:/api/v1/map/named|/user/:user/api/v1/map/named|/tiles/template)'
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// Base url for the Detached Maps API
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// "maps" is the the new API,
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// "tiles/layergroup" is for compatibility with versions up to 1.6.x
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,base_url_detached: '(?:/api/v1/map|/user/:user/api/v1/map|/tiles/layergroup)'
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// Maximum number of connections for one process
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// 128 is a good value with a limit of 1024 open file descriptors
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,maxConnections:128
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// Maximum number of templates per user. Unlimited by default.
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,maxUserTemplates:1024
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// Seconds since "last creation" before a detached
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// or template instance map expires. Or: how long do you want
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// to be able to navigate the map without a reload ?
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// Defaults to 7200 (2 hours)
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,mapConfigTTL: 7200
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// idle socket timeout, in milliseconds
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,socket_timeout: 600000
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,enable_cors: true
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,cache_enabled: false
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,log_format: ':req[X-Real-IP] :method :req[Host]:url :status :response-time ms -> :res[Content-Type] (:res[X-Tiler-Profiler])'
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// If log_filename is given logs will be written
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// there, in append mode. Otherwise stdout is used (default).
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// Log file will be re-opened on receiving the HUP signal
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,log_filename: undefined
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// Templated database username for authorized user
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// Supported labels: 'user_id' (read from redis)
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,postgres_auth_user: 'development_cartodb_user_<%= user_id %>'
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// Templated database password for authorized user
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// Supported labels: 'user_id', 'user_password' (both read from redis)
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,postgres_auth_pass: '<%= user_password %>'
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,postgres: {
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// Parameters to pass to datasource plugin of mapnik
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// See http://github.com/mapnik/mapnik/wiki/PostGIS
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type: "postgis",
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user: "publicuser",
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password: "public",
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host: '127.0.0.1',
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port: 5432,
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extent: "-20037508.3,-20037508.3,20037508.3,20037508.3",
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/* experimental
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geometry_field: "the_geom",
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extent: "-180,-90,180,90",
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srid: 4326,
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*/
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row_limit: 65535,
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simplify_geometries: true,
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use_overviews: true, // use overviews to retrieve raster
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/*
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* Set persist_connection to false if you want
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* database connections to be closed on renderer
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* expiration (1 minute after last use).
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* Setting to true (the default) would never
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* close any connection for the server's lifetime
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*/
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persist_connection: false,
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max_size: 500
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}
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,mapnik_version: undefined
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,mapnik_tile_format: 'png8:m=h'
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,statsd: {
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host: 'localhost',
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port: 8125,
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prefix: 'dev.',
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cacheDns: true
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// support all allowed node-statsd options
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}
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,renderer: {
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// Milliseconds since last access before renderer cache item expires
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cache_ttl: 60000,
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statsInterval: 5000, // milliseconds between each report to statsd about number of renderers and mapnik pool status
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mapnik: {
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// The size of the pool of internal mapnik backend
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// This pool size is per mapnik renderer created in Windshaft's RendererFactory
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// See https://github.com/CartoDB/Windshaft/blob/master/lib/windshaft/renderers/renderer_factory.js
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// Important: check the configuration of uv_threadpool_size to use suitable value
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poolSize: 8,
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// Metatile is the number of tiles-per-side that are going
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// to be rendered at once. If all of them will be requested
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// we'd have saved time. If only one will be used, we'd have
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// wasted time.
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metatile: 2,
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// tilelive-mapnik uses an internal cache to store tiles/grids
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// generated when using metatile. This options allow to tune
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// the behaviour for that internal cache.
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metatileCache: {
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// Time an object must stay in the cache until is removed
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ttl: 0,
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// Whether an object must be removed after the first hit
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// Usually you want to use `true` here when ttl>0.
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deleteOnHit: false
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},
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// Override metatile behaviour depending on the format
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formatMetatile: {
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png: 2,
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'grid.json': 1
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},
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// Buffer size is the tickness in pixel of a buffer
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// around the rendered (meta?)tile.
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//
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// This is important for labels and other marker that overlap tile boundaries.
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// Setting to 128 ensures no render artifacts.
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// 64 may have artifacts but is faster.
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// Less important if we can turn metatiling on.
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bufferSize: 64,
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// SQL queries will be wrapped with ST_SnapToGrid
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// Snapping all points of the geometry to a regular grid
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snapToGrid: false,
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// SQL queries will be wrapped with ST_ClipByBox2D
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// Returning the portion of a geometry falling within a rectangle
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// It will only work if snapToGrid is enabled
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clipByBox2d: false, // this requires postgis >=2.2 and geos >=3.5
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limits: {
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// Time in milliseconds a render request can take before it fails, some notes:
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// - 0 means no render limit
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// - it considers metatiling, naive implementation: (render timeout) * (number of tiles in metatile)
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render: 0,
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// As the render request will finish even if timed out, whether it should be placed in the internal
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// cache or it should be fully discarded. When placed in the internal cache another attempt to retrieve
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// the same tile will result in an immediate response, however that will use a lot of more application
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// memory. If we want to enforce this behaviour we have to implement a cache eviction policy for the
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// internal cache.
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cacheOnTimeout: true
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}
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},
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http: {
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timeout: 2000, // the timeout in ms for a http tile request
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proxy: undefined, // the url for a proxy server
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whitelist: [ // the whitelist of urlTemplates that can be used
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'.*', // will enable any URL
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'http://{s}.example.com/{z}/{x}/{y}.png'
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],
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// image to use as placeholder when urlTemplate is not in the whitelist
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// if provided the http renderer will use it instead of throw an error
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fallbackImage: {
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type: 'fs', // 'fs' and 'url' supported
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src: __dirname + '/../../assets/default-placeholder.png'
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}
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},
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torque: {
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dbPoolParams: {
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// maximum number of resources to create at any given time
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size: 16,
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// max milliseconds a resource can go unused before it should be destroyed
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idleTimeout: 3000,
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// frequency to check for idle resources
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reapInterval: 1000
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}
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}
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}
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,millstone: {
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// Needs to be writable by server user
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cache_basedir: '/tmp/cdb-tiler-dev/millstone-dev'
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}
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,redis: {
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host: '127.0.0.1',
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port: 6379,
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// Max number of connections in each pool.
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// Users will be put on a queue when the limit is hit.
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// Set to maxConnection to have no possible queues.
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// There are currently 2 pools involved in serving
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// windshaft-cartodb requests so multiply this number
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// by 2 to know how many possible connections will be
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// kept open by the server. The default is 50.
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max: 50,
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returnToHead: true, // defines the behaviour of the pool: false => queue, true => stack
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idleTimeoutMillis: 1, // idle time before dropping connection
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reapIntervalMillis: 1, // time between cleanups
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slowQueries: {
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log: true,
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elapsedThreshold: 200
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},
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slowPool: {
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log: true, // whether a slow acquire must be logged or not
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elapsedThreshold: 25 // the threshold to determine an slow acquire must be reported or not
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},
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emitter: {
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statusInterval: 5000 // time, in ms, between each status report is emitted from the pool, status is sent to statsd
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},
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unwatchOnRelease: false, // Send unwatch on release, see http://github.com/CartoDB/Windshaft-cartodb/issues/161
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noReadyCheck: true // Check `no_ready_check` at https://github.com/mranney/node_redis/tree/v0.12.1#overloading
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}
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// For more details about this options check https://nodejs.org/api/http.html#http_new_agent_options
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,httpAgent: {
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keepAlive: true,
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keepAliveMsecs: 1000,
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maxSockets: 25,
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maxFreeSockets: 256
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}
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,varnish: {
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host: 'localhost',
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port: 6082, // the por for the telnet interface where varnish is listening to
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http_port: 6081, // the port for the HTTP interface where varnish is listening to
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purge_enabled: false, // whether the purge/invalidation mechanism is enabled in varnish or not
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secret: 'xxx',
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ttl: 86400,
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layergroupTtl: 86400 // the max-age for cache-control header in layergroup responses
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}
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// this [OPTIONAL] configuration enables invalidating by surrogate key in fastly
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,fastly: {
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// whether the invalidation is enabled or not
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enabled: false,
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// the fastly api key
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apiKey: 'wadus_api_key',
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// the service that will get surrogate key invalidation
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serviceId: 'wadus_service_id'
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}
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// If useProfiler is true every response will be served with an
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// X-Tiler-Profile header containing elapsed timing for various
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// steps taken for producing the response.
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,useProfiler:true
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// Settings for the health check available at /health
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,health: {
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enabled: false,
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username: 'localhost',
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z: 0,
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x: 0,
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y: 0
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}
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,disabled_file: 'pids/disabled'
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// Use this as a feature flags enabling/disabling mechanism
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,enabledFeatures: {
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// whether it should intercept tile render errors an act based on them, enabled by default.
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onTileErrorStrategy: true,
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// whether the affected tables for a given SQL must query directly postgresql or use the SQL API
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cdbQueryTablesFromPostgres: true
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}
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};
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module.exports = config;
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