[FLINK-3840] RocksDB local parent dir is polluted with empty folders with random names

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.0, 1.0.1, 1.0.2, 1.1.0
• Fix Version/s: 1.0.3, 1.1.0
• Component/s: Runtime / State Backends
• Assignee: Aljoscha Krettek
• Reporter: Gyula Fora
• Created: 28/Apr/16 06:40
• Updated: 28/Apr/16 12:18
• Resolved: 28/Apr/16 12:18

Description

For some reason when the job starts the rocksdb root dir filled with hundreds of empty folders with random names like:

041da1c-5fec-42ed-a69c-298240f1a065 4e6061aa-0c69-4755-a1ad-5ac4dec1d3f0 a7004bd1-778c-4a0f-96d4-9941208d1888
00db8406-6cb4-46ad-aac9-beeaa3247d16