[IMPALA-1824] Crash in BufferedTupleStream with very large string value

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Duplicate
• Affects Version/s: Impala 2.0
• Fix Version/s: Impala 2.2
• Assignee: Unassigned
• Reporter: Matthew Jacobs
• Created: 26/Feb/15 20:35
• Updated: 26/Feb/15 21:03
• Resolved: 26/Feb/15 21:03

Description

Running the following query crashes the impalad while copying a very large string value into the PAgg's BufferedTupleStream

select l_comment from tpch.lineitem union select group_concat(l_shipinstruct) from tpch.lineitem;

C  [libRuntime.so+0x399cf4]  impala::BufferedTupleStream::DeepCopy(impala::TupleRow*, unsigned char**)+0x18
C  0x00007f94aeabc362
C  [libExec.so+0x3cb420]  impala::PartitionedAggregationNode::Open(impala::RuntimeState*)+0x9d8
C  [libRuntime.so+0x486d64]  impala::PlanFragmentExecutor::OpenInternal()+0x90
C  [libRuntime.so+0x486b49]  impala::PlanFragmentExecutor::Open()+0x2df
C  [libService.so+0x29efe0]  impala::FragmentMgr::FragmentExecState::Exec()+0x26
C  [libService.so+0x2bf667]  impala::FragmentMgr::FragmentExecThread(impala::FragmentMgr::FragmentExecState*)+0x5f