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Express row expiration as a SQL boolean expression evaluated against the

https://phoenix.apache.org/docs/features/conditional-ttl
Phoenix compaction: expired rows are physically removed by Phoenix's compaction during HBase region compactions

PHOENIX_ROW_TIMESTAMP()

https://phoenix.apache.org/docs/features/phoenix-row-timestamp
Feature PHOENIX_ROW_TIMESTAMP() functionReturn the underlying HBase row timestamp Phoenix already maintains on every row's empty cell

Change Data Capture (CDC)

https://phoenix.apache.org/docs/features/change-data-capture
Change Data Capture turns a Phoenix table into a stream of change events that downstream consumers can read using regular SQL

compiling your SQL queries to native HBase scans

https://phoenix.apache.org/docs/quick-start
Check out my presentation for various existing and to-be-done Phoenix features to support your favorite HBase trick

Historical Phoenix performance comparisons and feature-level

https://phoenix.apache.org/docs/fundamentals/performance
In addition, to minimize startup costs, Phoenix uses native HBase APIs rather than going through the MapReduce framework

Use TABLESAMPLE in Phoenix for Bernoulli-style sampling, with

https://phoenix.apache.org/docs/features/table-sampling
Given a sampling rate, it leverages Phoenix statistics and HBase region distribution to perform table sampling

How Phoenix Skip Scan uses key-range hints to efficiently skip non

https://phoenix.apache.org/docs/features/skip-scan
How Phoenix Skip Scan uses key-range hints to efficiently skip non-matching row-key regions