[HAWQ-1448] Postmaster process hung at recv () on segment

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.3.0.0-incubating
• Component/s: Dispatcher
• Assignee: Ming Li
• Reporter: Ming Li
• Created: 02/May/17 04:19
• Updated: 09/Apr/18 08:38
• Resolved: 09/Apr/18 08:38

Description

Some process hung for almost 2 hours before quit.

4/13/17 8:13:36 AM PDT: Thread 1 (Thread 0x7f9c78eae920 (LWP 177517)):
4/13/17 8:13:36 AM PDT: #0 0x000000322180ec2c in recv () from /lib64/libpthread.so.0
4/13/17 8:13:36 AM PDT: #1 0x00000000007847e8 in secure_read ()
4/13/17 8:13:36 AM PDT: #2 0x0000000000793735 in pq_recvbuf ()
4/13/17 8:13:36 AM PDT: #3 0x00000000007939b9 in pq_getbyte ()
4/13/17 8:13:36 AM PDT: #4 0x00000000008e39a4 in SocketBackend ()
4/13/17 8:13:36 AM PDT: #5 0x00000000008e3ddc in ReadCommand ()
4/13/17 8:13:36 AM PDT: #6 0x00000000008ea8c3 in PostgresMain ()
4/13/17 8:13:36 AM PDT: #7 0x00000000008944ff in BackendRun ()
4/13/17 8:13:36 AM PDT: #8 0x000000000089391e in BackendStartup ()
4/13/17 8:13:36 AM PDT: #9 0x000000000088d99a in ServerLoop ()
4/13/17 8:13:36 AM PDT: #10 0x000000000088c9a7 in PostmasterMain ()
4/13/17 8:13:36 AM PDT: #11 0x00000000007a9d63 in main ()
4/13/17 8:13:36 AM PDT: -------------------------------------

All postgres processes on all host are quit, only postmaster on seg3 hung.

Issue Links

• links to: GitHub Pull Request #1227