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2987262 - DB6: R3trans slow at function call _poll

Symptom

"R3trans -d" runs slow (e.g. 2 minutes or so).

OS trace (command: truss -d -o r3trans_truss.txt R3trans -x) shows the time is spent on function call _poll.

20.2273:        _esendto(5, 0x0FFFFFFFFFFFC390, 27, 0, 0x09001000A0020E98, 16, 0x0000000000000000) = 27
22.2277:        _poll(0x0FFFFFFFFFFFB550, 1, 20000) (sleeping...)
22.2277:        _poll(0x0FFFFFFFFFFFB550, 1, 20000) = 0
40.2288:        close(5)   = 0
...

62.1793:        socket(2, 2, 0)   = 5
62.1795:        _esendto(5, 0x0FFFFFFFFFFE9F50, 28, 0, 0x09001000A0020E98, 16, 0x0000000000000000) = 28
64.1798:        _poll(0x0FFFFFFFFFFE9110, 1, 20000) (sleeping...)
64.1798:        _poll(0x0FFFFFFFFFFE9110, 1, 20000) = 0
82.1799:        close(5)   = 0
82.1801:        close(4)   = 0

...

102.2231:        socket(2, 2, 0)  = 6
102.2233:        _esendto(6, 0x0FFFFFFFFFFF9400, 28, 0, 0x09001000A0020E98, 16, 0x0000000000000000) = 28
104.2236:        _poll(0x0FFFFFFFFFFF85C0, 1, 20000) (sleeping...)
104.2236:        _poll(0x0FFFFFFFFFFF85C0, 1, 20000) = 0
122.2237:        close(6)   = 0


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Environment

  • SAP on IBM Db2 for LUW
  • AIX

Keywords

R3trans, slow, _poll , KBA , BC-OP-AIX , IBM AIX , BC-DB-DB6 , DB2 Universal Database for Unix / NT , Problem

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