[HBASE-19033] Allow CP users to change versions and TTL before opening StoreScanner - ASF JIRA

XML

Word

Printable

JSON

Hadoop Flags:

Incompatible change, Reviewed
Release Note:

Hide
Add back the three methods without a return value:
preFlushScannerOpen
preCompactScannerOpen
preStoreScannerOpen

Introduce a ScanOptions interface to let CP users change the max versions and TTL of a ScanInfo. It will be passed as a parameter in the three methods above.

Inntroduce a new example WriteHeavyIncrementObserver which convert increment to put and do aggregating when get. It uses the above three methods.

Show
Add back the three methods without a return value: preFlushScannerOpen preCompactScannerOpen preStoreScannerOpen Introduce a ScanOptions interface to let CP users change the max versions and TTL of a ScanInfo. It will be passed as a parameter in the three methods above. Inntroduce a new example WriteHeavyIncrementObserver which convert increment to put and do aggregating when get. It uses the above three methods.

See the discussion in ~~HBASE-19001~~. Changing versions and TTL is safe for flush/compaction so we can expose them.

contains

HBASE-18952 Remove the Optional(Int) usage in the constructors of HStore

links to

Review Board