2439652 - WebSocket is stuck while processing huge volume - SAP ESP | SAP Knowledge Base Article

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2439652 - WebSocket is stuck while processing huge volume - SAP ESP

Symptom

  • An ESP project is reading data from CSV files.
  • The input adapter processes data at a rate of 45000 rows per second.
  • When trying to subscribe to the data using Simple Web Socket Client, it is observed that:
    • the stream queue value reaches 513.
    • the stream stops processing further data.
  • When trying to subscribe to other projects where incoming rate is lower, the WebSocket subscription succeeds in obtaining data from the project stream.
  • Is there any threshold level for subscribing to data through WS?

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Environment

  • SAP Event Stream Processor (ESP) 5.1 SP12 Rev122 PL03
  • Linux on AMD/Intel x86_64

Product

SAP Event Stream Processor 5.1

Keywords

streaming, processing , KBA , BC-SYB-ESP , Sybase ESP (Event Stream Processor) , Problem

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