[HIVE-16119] HiveMetaStoreChecker: remove singleThread logic duplication

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.3.0
• Assignee: Zoltan Haindrich
• Reporter: Zoltan Haindrich
• Created: 06/Mar/17 10:59
• Updated: 21/Jul/17 18:46
• Resolved: 09/Mar/17 08:07

Description

It looks to me that the main logic is duplicated, because of multithereading support:

• HiveMetaStoreChecker#PathDepthInfoCallable#processPathDepthInfo
• HiveMetaStoreChecker#checkPartitionDirsSingleThreaded

It might be possible to remove the singleThreaded methods by using a special executor for single thread support: MoreExecutors.sameThreadExecutor().