[FLINK-7588] Document RocksDB tuning for spinning disks

• Type: Improvement
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Component/s: Documentation, Runtime / State Backends
• Labels: auto-deprioritized-major auto-deprioritized-minor performance
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 05/Sep/17 18:23
• Updated: 21/Feb/22 10:39

Description

In docs/ops/state/large_state_tuning.md , it was mentioned that:

the default configuration is tailored towards SSDs and performs suboptimal on spinning disks

We should add recommendation targeting spinning disks:
https://github.com/facebook/rocksdb/wiki/RocksDB-Tuning-Guide#difference-of-spinning-disk

Issue Links

• is related to: FLINK-21336 Activate bloom filter in RocksDB State Backend via Flink configuration