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Thread starvation or clock leap detected

  • September 28, 2023
  • 0 replies
  • 250 views

Pablo
StreamSets Employee

You might notice in the logs the following warning message:

[thread:HikariPool-8 housekeeper] [stage:] WARN HikariPool - HikariPool-8 - Thread starvation or clock leap detected (housekeeper delta=2m06s131ms294µs591ns).

It indicates a high load on the engine and could be followed by an error java.lang.OutOfMemoryError: Java heap space.

You should check the CPU and memory usage of this engine.
 
Possible solutions for this issue could be the following:

  • Increasing the memory of the engine.
  • Rebalancing the jobs running on the engine.
  • Dividing a big pipeline into multiple parts.

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