Description
When we're doing an un-cached read like an MR job or compaction, we should probably not be moving the blocks being accessed to the front of the LRU list. Because we do, this can cause hotter blocks to get pushed down to be towards the end of the LRU after the big scan.
Attachments
Issue Links
- duplicates
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KUDU-613 Scan-resistant cache replacement algorithm for the block cache
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- In Progress
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