[FLINK-15506] State TTL Compaction Filter option off by default

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.10.0
• Component/s: Runtime / State Backends
• Release Note: 'state.backend.rocksdb.ttl.compaction.filter.enabled' is now true by default. Disable it only if you experience serious performance degradation during RocksDB compaction.
• Assignee: Andrey Zagrebin
• Reporter: Stephan Ewen
• Created: 07/Jan/20 17:41
• Updated: 23/Jan/20 14:35
• Resolved: 16/Jan/20 15:17

Description

Compaction filters for state TTL cleanup is on by default after FLINK-14898 in some places, but the config option still is set to false by default.

https://github.com/apache/flink/blob/6ff392842f9dc4d3c9c808e7912558d477826379/flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBOptions.java#L63

Issue Links

• is related to: FLINK-15621 State TTL: Remove deprecated option and method to disable TTL compaction filter
• is related to: FLINK-15741 Fix TTL docs after enabling RocksDB compaction filter by default (needs Chinese translation)
• relates to: FLINK-10471 State TTL cleanup using RocksDb compaction filter
• relates to: FLINK-14898 Enable background cleanup of state with TTL by default
• links to: github PR