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Make raster tile renderer pool sizes configurable

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This commit is contained in:
Osmo Salomaa
2017-10-01 18:40:16 +03:00
parent ac948b6dee
commit 89878015bb
2 changed files with 29 additions and 11 deletions
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src/serve_rendered.js
+8 -11
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@@ -344,18 +344,15 @@ module.exports = function(options, repo, params, id, dataResolver) {
});
var renderersReadyPromise = Promise.all(queue).then(function() {
// TODO: make pool sizes configurable
// standard and @2x tiles are much more usual -> default to larger pools
var minPoolSizes = options.minRendererPoolSizes || [8, 4, 2];
var maxPoolSizes = options.maxRendererPoolSizes || [16, 8, 4];
for (var s = 1; s <= maxScaleFactor; s++) {
var minPoolSize = 2;
// standard and @2x tiles are much more usual -> create larger pools
if (s <= 2) {
minPoolSize *= 2;
if (s <= 1) {
minPoolSize *= 2;
}
}
map.renderers[s] = createPool(s, minPoolSize, 2 * minPoolSize);
var i = Math.min(minPoolSizes.length - 1, s - 1);
var j = Math.min(maxPoolSizes.length - 1, s - 1);
var minPoolSize = minPoolSizes[i];
var maxPoolSize = Math.max(minPoolSize, maxPoolSizes[j]);
map.renderers[s] = createPool(s, minPoolSize, maxPoolSize);
}
});