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Problem with load testing with CTG.

  • January 14, 2022
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Problem with load testing with CTG.

In tests we are finding ABEND AZTY, which occurs when many clients are connected via CTG simultaneously.
The client architecture is: client JAVA app <--> IBM CTG Multiplatforms 9.2 <-> MF v 7.0 - Patch Update 03


CommunicationServer level configuration:

[soap]

region=TPXCNR

[tasks]

thread limit=20

mutex sweep enabled=no

maximum latency=10

 

[threading] 

limit=1000

 

 

traza CTG de ejemplo de un mensaje y la respuesta da un ABEND tipo AZTY

 

220113 143532 [6:10.37.82.8:40862] SendDirect returned 0

220113 143532 [6:10.37.82.8:40862] ProcessAsyncAction: unlocked conv mutex

220113 143532 [6:10.37.82.8:40862] ProcessAsyncAction returning with Mode 2, Status 15, LastErr 0, and ErrCode 0

220113 143532 [6:10.37.82.8:40862] receiving CTG header

220113 143532 [6:10.37.82.8:40862] header receive returned OK (0)

220113 143532 [6:10.37.82.8:40862] receiving CTG packet (1438 bytes)

220113 143532 [6:10.37.82.8:40862] packet receive returned OK (0)

220113 143532 [6:10.37.82.8:40862] received 1438 bytes for packet of 1438 bytes

0006>0000: 0000059e 00005bd5 000b90a0 270502ff  ......[.....'...  ......$N........

0006>0010: 0003d100 4004c1e3 f0f1180b 02c5e7e3  ....@...........  ..J. .AT01...EXT

0006>0020: c1e3f0f8 4040400b 013c37bf 89330520  ....@@@..<7..3.   AT08   .....i...

0006>0030: 27b30005 6b12f20a 85020201 02000001  '...k...........  ....,.2.e.......

0006>0040: 040e430e 02000007 e1000000 00010000  ..C.............  ................

0006>0050: 0a02c1e3 c3e3f5f3 f2000708 c1e3f0f1  ................  ..ATCT532...AT01

0006>0060: 00050405 36053906 40404040 40404040  ....6.9.@@@@@@@@  ........

0006>0070: 40404040 40404040 40404040 40404040  @@@@@@@@@@@@@@@@

0006>0080: 40404040 40404040 40404040 40404040  @@@@@@@@@@@@@@@@

0006>0090: 40404040 40404040 40404040 40404040  @@@@@@@@@@@@@@@@

0006>00a0: 40404040 40404040 40f0f0f0 f2f0f2e5  @@@@@@@@@.......           000202V

0006>00b0: e5404040 40404040 40404040 40404040  .@@@@@@@@@@@@@@@  V

0006>00c0: 40404040 40404040 40404040 40404040  @@@@@@@@@@@@@@@@

220113 143532 [6:10.37.82.8:40862] calling CasCall(CONVERSE)

220113 143532 [6:10.37.82.8:40862] CasCall(CONVERSE) returned 0 (command code 17)

220113 143532 [6:10.37.82.8:40862] entering async-receive state

220113 143532 [6:10.37.82.8:40862] ProcessConversation is returning

220113 143532 [6:10.37.82.8:40862] ProcessAsyncAction: locked conv mutex

220113 143532 [6:10.37.82.8:40862] ProcessAsyncAction: request for action 1, mode 2, 30 bytes of data

220113 143532 [6:10.37.82.8:40862] ProcessAsyncAction: send request (30 bytes); multipart send not in progress

0006<0000: 0000001e 00005bd5 00039001 001212f2  ......[.........  ......$N.......2

0006<0010: 07430e02 00000000 070cc1e9 e3e8      .C............    ..........AZTY


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