[IMPALA-5915] Make all errors coming out of the IoMgr identifiable

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.11.0
• Fix Version/s: Impala 2.11.0
• Component/s: Backend
• Epic Color: ghx-label-7
• Assignee: Lars Volker
• Reporter: Lars Volker
• Created: 09/Sep/17 02:25
• Updated: 13/Sep/17 15:52
• Resolved: 13/Sep/17 15:52

Description

I'm working on a fix for IMPALA-5890 that will flag IO errors in ScannerContext::Stream::GetNextBuffer(). Once we have the bandwidth, we should properly flag all errors in the IoMgr and handle them accordingly in the scanners.

Issue Links

• relates to: IMPALA-5890 Segmentation fault in ScannerContext::Stream::GetBytesInternal(long, unsigned char**, bool, long*)