[SPARK-38896] Use tryWithResource to recycling KVStoreIterator

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: Spark Core, SQL
• Assignee: Yang Jie
• Reporter: Yang Jie
• Created: 14/Apr/22 07:02
• Updated: 28/Apr/22 23:51
• Resolved: 28/Apr/22 23:51

Description

Use `Utils.tryWithResource` to recycling all  `KVStoreIterator` opened by RocksDB/LevelDB 

Issue Links

• links to: [Github] Pull Request #36195 (LuciferYang)
• links to: [Github] Pull Request #36237 (LuciferYang)