[IMPALA-7638] Lower default timeout for connection setup

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Impala 3.1.0
• Fix Version/s: Impala 2.11.0
• Component/s: Backend
• Labels: kerberos
• Epic Color: ghx-label-2
• Assignee: Unassigned
• Reporter: Lars Volker
• Created: 27/Sep/18 17:40
• Updated: 14/Nov/18 19:44

Description

IMPALA-5394 added the sasl_connect_tcp_timeout_ms flag with a default timeout of 5 minutes. This seems too long as broken clients will prevent new clients from establishing connections for this time. In addition to increasing the acceptor thread pool size (IMPALA-7565) we should lower this timeout considerably, e.g. to 5 seconds.

Issue Links

• relates to: IMPALA-7565 Extends TAcceptQueueServer connection_setup_pool to be multi-threaded
• relates to: IMPALA-7566 TAcceptQueueServer connection setup should have timeout
• relates to: IMPALA-5394 Set socket timeouts while opening TSaslTransport