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simplify cache LRU logic; use count and not size

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This commit is contained in:
Brandon Liu
2022-11-18 22:16:47 +08:00
parent 9fd1d39ab5
commit 6a1af0f4ca
2 changed files with 19 additions and 48 deletions
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14
js/test/v3.test.ts
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@@ -237,7 +237,6 @@ test("cache getDirectory", async (assertion) => {
for (const v of cache.cache.values()) {
assertion.ok(v.lastUsed > 0);
assertion.ok(v.size > 0);
}
});
@@ -324,14 +323,15 @@ test("soft failure on etag weirdness", async (assertion) => {
});
test("cache pruning by byte size", async (assertion) => {
const cache = new SharedPromiseCache(1000, false);
cache.cache.set("0", { lastUsed: 0, data: Promise.resolve([]), size: 400 });
cache.cache.set("1", { lastUsed: 1, data: Promise.resolve([]), size: 200 });
cache.cache.set("2", { lastUsed: 2, data: Promise.resolve([]), size: 900 });
cache.sizeBytes = 900 + 200 + 400;
const cache = new SharedPromiseCache(2, false);
cache.cache.set("0", { lastUsed: 0, data: Promise.resolve([]) });
cache.cache.set("1", { lastUsed: 1, data: Promise.resolve([]) });
cache.cache.set("2", { lastUsed: 2, data: Promise.resolve([]) });
cache.prune();
assertion.eq(cache.cache.size, 1);
assertion.eq(cache.cache.size, 2);
assertion.ok(cache.cache.get("2"));
assertion.ok(cache.cache.get("1"));
assertion.notOk(cache.cache.get("0"));
});
test("pmtiles get metadata", async (assertion) => {