Details
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Type:
Improvement
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Status: Resolved
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: Impala 3.1.0
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Fix Version/s: Impala 3.2.0
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Component/s: None
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Labels:None
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Epic Color:ghx-label-2
Description
Using jxray shows that there are many common duplicate strings in the catalog. For example, each table repeats the database name, and metadata like the HMS parameter maps reuse a lot of common strings like "EXTERNAL" or "transient_lastDdlTime". We should intern these to save memory.