task-15: async batched last_used_at touch refresh
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@@ -179,6 +179,13 @@ public class SimilarAsinProperties {
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*/
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private long chunkMergePayloadMaxBytes = 16L * 1024L * 1024L;
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/**
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* Task 15:图片缓存 last_used_at 异步批量刷新的缓冲阈值。
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* lookup 命中先入内存缓冲(按 url_hash 去重),达到该阈值时立即批量 touch;
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* 其余由定时 flush 兜底,把逐图 UPDATE 合并为批量 UPDATE。
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*/
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private int imageCacheTouchFlushThreshold = 1000;
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/**
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* P0-4:抢 Coze 提交锁失败后下次重试间隔(毫秒)。
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* 原硬编码 500ms,会在指数退避算法中作为基础值(500/1000/2000/4000ms 上限 4000)。
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