WebApr 28, 2024 · 此时查询失效数据时总是会调用 load 方法，refreshAfterWrite 根本没用！ 如果 CacheLoader#asyncReload 有额外操作，导致它自身实际执行查询耗时超过 … WebLoadingCache < String, String > build = CacheBuilder . newBuilder () . refreshAfterWrite (1, TimeUnit. DAYS) # 多久后刷新 . build (new CacheLoader < String, String >() { @Override public String load (String key) { return ""; } }); } 复制代码. 上面这种方式到一天后也不会刷新，因为必有在1天后这个缓存再次访问 ...
java - Guava LoadingCache: Why use …
Web配置：设置 maxSize、refreshAfterWrite，不设置 expireAfterWrite/expireAfterAccess. 优缺点：因为设置expireAfterWrite当缓存过期时会同步加锁获取缓存，所以设 … WebIf you can represent the duration as a java.time.Duration (which should be preferred when feasible), use #refreshAfterWrite(Duration) instead. Popular methods of CacheBuilder. build. Builds a cache, which either returns an already-loaded … connecting a bamboo ink pen to hp envy
Introduction to Caffeine Baeldung
WebrefreshAfterWrite：刷新策略，设置为比写入时间小可以保证缓存永不失效，对于某些场景，比如请求频率低但是耗时长的业务来说，自动刷新能够显著提升效率和体验 WebNov 21, 2014 · LoadingCache cache = CacheBuilder.newBuilder() .refreshAfterWrite(15, TimeUnit.MINUTES) .maximumSize(100) .build(new MyCacheLoader()); if one entry A is loaded with her value at least one time, is really the above code sufficient to reload automatically every 15 minutes the value associated to … Web可以的，Caffeine是基于Java8的高性能缓存库，可提供接近最佳的命中率。. Caffeine的底层使用了ConcurrentHashMap，支持按照一定的规则或者自定义的规则使缓存的数据过期，然后销毁。. 再说一个劲爆的消息，很多人都听说过Google的GuavaCache，而没有听说过Caffeine，其实 ... connecting a backup generator for home use