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March 31st, 2022, 11:09 AM
#5
Hello,
We have received your logs. They show the frequent outages that your client experiences.
In practice, some time after a streaming session is established, the client receives no more bytes from the Server.
This is a situation that can happen for various causes, but usually it is related with poor connectivity.
So, Lightstreamer tries to recover the existing streaming session with a new connection.
However, the attempt may either succeed or fail depending on how much data was lost during the interruption.
If the recovery attempt fails, Lightstreamer has to resume by opening and reconfiguring a new session.
Since you say that the recovery attempts started to fail after you increased the amount of data, this is consistent.
In practice, our suspect is that connectivity issues have always occurred, but before the recoveries were successful and the malfunctionings went unnoticed.
You can increase the recovery capability of the Server by leveraging the <max_recovery_length> configuration flag.
By default, it is low; you can try to set, for instance, 5000 bytes and see if things improve.
On the other hand, if you feel that connectivity issues are unexpected and need to be investigated separately, please let us know.
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