[IMPALA-6034] Add query option that limits scanned bytes at runtime

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 3.1.0
• Component/s: Distributed Exec
• Target Version: Impala 3.1.0
• Epic Color: ghx-label-3
• Assignee: Tim Armstrong
• Reporter: Mostafa Mokhtar
• Created: 10/Oct/17 00:34
• Updated: 09/Aug/18 22:30
• Resolved: 09/Aug/18 22:30

Description

Reject queries that scans large data before executing the query.
This is a mechanism to protect the cluster from potentially harmful queries.

MAX_READ_BYTES: [0]

Issue Links

• is depended upon by: IMPALA-7392 Document SCAN_BYTES_LIMIT