[IMPALA-3203] Implement scalable buffer recycling in buffer pool

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Impala 2.6.0
• Fix Version/s: Impala 2.9.0
• Component/s: Backend
• Labels: resource-management
• Target Version: Product Backlog
• Assignee: Tim Armstrong
• Reporter: Tim Armstrong
• Created: 18/Mar/16 00:16
• Updated: 18/Apr/17 15:56
• Resolved: 18/Apr/17 15:56

Description

In order to scale to many cores, we need to have scalable free lists and clean page lists in BufferPool so that throughput can continue to scale with the number of cores.

Issue Links

• blocks: IMPALA-5073 Considering bypassing TCMalloc by default for buffer pool
• is blocked by: IMPALA-5077 Add NUMA info and the current CPU to CpuInfo