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AI-generatedLimits of Automatic Cache Invalidation in HDFS After File Modifications
When a file stored in HDFS is truncated, overwritten, or replaced, the DataNode block replicas that have been loaded into the off‑heap cache via hdfs cacheadmin remain unchanged unless the cached path is explicitly removed or uncached. Consequently, read requests that hit the cached block may return stale data, and the cache does not self‑heal even though th
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