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3195165 - Error: "Prefetch timed out" happened randomly on different task execution

Symptom

  • Sometimes SDI task failed with error through HiveAdapter remote source
  • The error won't happen to a specific flowgraph, it failed randomly on different flowgraph
  • For all the failed execution, the duration for the execution is 2401 or 2402 seconds. Other duration less that 2400 seconds finished successfully
  • From DP agent framework.trc file, we can see the following error.
    DPFramework | AsyncHandler.run  - AH(***): Failed to queue async object
  • From Hive Server, there is no error and seems the execution is still processing when there is "timeout" error in SDI task monitor
  • From indexserver trace, error: "AdapterManager.cpp(***) : ::sendMessage: Prefetch timed out"


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Product

SAP HANA smart data integration 2.0

Keywords

SDI, hiveadapter, execution fail, randomly, timeout, timed out , KBA , HAN-DP-SDI , SAP HANA smart data integration (SDI) , Problem

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