Troubleshooting
Problem
Slow network performance from tcprecv, may experience 0.5 second delay.
Symptom
DB2 client side trace will show 0.5 second delay in tcprecv which gets propagated up to SQLExecDirectW.
2727 0.486291903 SQLExecDirectW mbt
2824 0.487910754 | SQLExecute2 entry
...
2890 0.494393072 | | | | | tcprecv entry
2891 0.975967685 | | | | | tcprecv data [probe 2]
2892 0.975978371 | | | | | tcprecv exit
...
2937 0.977433863 | SQLExecute2 exit
2945 0.977559438 SQLExecDirectW exit
[{"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"Connectivity - TCP\/IP Protocol","Platform":[{"code":"PF033","label":"Windows"}],"Version":"9.7;10.1;10.5","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
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Document Information
Modified date:
30 April 2025
UID
swg21986901