[IGNITE-23591] Deadlock between threads concurrently update ttl and values

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.17
• Labels: ise
• Ignite Flags: Release Notes Required
• Assignee: Maksim Timonin
• Reporter: Maksim Timonin
• Reviewer: Aleksey Plekhanov
• Created: 01/Nov/24 16:04
• Updated: 07/Nov/24 08:47
• Resolved: 07/Nov/24 08:47

Description

There is a deadlock in case concurrent load: ScanQuery and DataStreamer with expiry logic based on access time.

1. data-streamer-stripe acquires locks in order: checkpoint read lock, entry lock
2. sys-stripe and query threads (update ttl) acquire locks in different order: entry lock, checkpoint read lock
3. concurrent db-checkpoint-thread acquire checkpoint write lock, and it might be done in the moment between threads (2) acquire entry and checkpoint lock.

 

data-streamer awaits sys-stripe, 

sys-stripe awaits db-checkpoint-thread,

db-checkpoint-threads awaits data-streamer

 

Order of locking should be same in all threads.

 

Issue Links

• relates to: IGNITE-12594 Deadlock between GridCacheDataStore#purgeExpiredInternal and GridNearTxLocal#enlistWriteEntry
• links to: GitHub Pull Request #11641