SFTP file transfer taking longer than usual
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Description
SFTP File transfer is taking longer than usual time.
In some cases the SFTP file transfer took 35 min for 5MB of file transfer.
After checking the logs I could see that the sshj library is using the BouncyCastleRandom class to generate the random seed, and it took approximately 2154399 milliseconds (or around 35 minutes)
2023-07-07-T08:03:09.506+0200 | xxxx| | pool-flow.seda.xxx-xx-xx-thread-142339 | INFO | net.schmizz.sshj.transport.random.BouncyCastleRandom | Generating random seed from SecureRandom. 2023-07-07-T08:39:03.906+0200 | xxxx| | pool-flow.seda.xxx-xx-xx-thread-142339 | DEBUG | net.schmizz.sshj.transport.random.BouncyCastleRandom | **Creating random seed took 2154399 ms**
We have checked the system CPU and memory usage and they were within limit.
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