[IMPALA-5077] Add NUMA info and the current CPU to CpuInfo

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.9.0
• Fix Version/s: Impala 2.9.0
• Component/s: Backend
• Target Version: Product Backlog
• Epic Color: ghx-label-5
• Assignee: Tim Armstrong
• Reporter: Tim Armstrong
• Created: 14/Mar/17 22:10
• Updated: 16/Mar/17 15:17
• Resolved: 16/Mar/17 15:17

Description

We should add support to CpuInfo for the following things, to enable various optimisations for memory allocation:

• The mapping of cores to NUMA nodes
• The current CPU that a thread is running on

Issue Links

• blocks: IMPALA-3203 Implement scalable buffer recycling in buffer pool