Details
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Improvement
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Status: Resolved
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Major
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Resolution: Duplicate
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Impala 2.11.0
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None
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None
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ghx-label-4
Description
Reads from local disk might be cached in-memory by the OS. Reads from s3 should be cached when possible, using getETag() and getLstModified() for coherence/invalidation.
Attachments
Issue Links
- depends upon
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HADOOP-13282 S3 blob etags to be made visible in S3A status/getFileChecksum() calls
- Resolved
- is related to
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IMPALA-8341 Data cache for remote reads
- Resolved