Christopher Tubbs created ACCUMULO-1495:
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Summary: Host multiple read-only versions of tablets for query
performance
Key: ACCUMULO-1495
URL: https://issues.apache.org/jira/browse/ACCUMULO-1495
Project: Accumulo
Issue Type: New Feature
Reporter: Christopher Tubbs
It might be worth providing read-only views of tablets on multiple servers,
while writes go to a single authoritative server. This could improve query
performance in some cases.
Some things to consider:
# Consistency: can I read what I've just written?
# Configuration: how many copies?
# Configuration: how long between syncs?
# Performance: locality, number of file replicas
Variation:
Permit multiple hosting only on tables that have been locked for writes (useful
with a strictly enforced clone-and-lock feature).
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