Geoffrey Jacoby created PHOENIX-6071:
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Summary: Table-specific Max Lookback Age
Key: PHOENIX-6071
URL: https://issues.apache.org/jira/browse/PHOENIX-6071
Project: Phoenix
Issue Type: Improvement
Reporter: Geoffrey Jacoby
Fix For: 5.1.1, 4.16.0
PHOENIX-5645 / PHOENIX-5881 introduced max lookback age, which prevents all
mutations from being purged by major compaction for a fixed moving window of
time. These earlier JIRAs had a single cluster-wide window, but operators may
want to vary this for different tables (or exempt some entirely).
This is especially important given max lookback age's interactions with HBase
TTL where due to nature of the HBase compaction hooks, an HBase TTL will
override the max lookback age to be max(TTL, max lookback age), which might be
longer than operators want for a particular table. For tables with no indexes
that have HBase TTLs, operators will likely want to turn max lookback age off
for them.
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