Hi all,
When the bookkeeper loses some data for some reason, the pulsar broker will 
keep trying to read the data, resulting in the read position no longer moving 
forward;


For this, I changed the automatic skip these lost data configuration and 
restarted the broker: autoSkipNonRecoverableData=true
But I found that the backlog curve for subscriptions continued to rise. By 
adding the log, I found that because of the skipped entry data and no ack, the 
mark delete position will not move forward.


Therefore, we need an automatic ACK mechanism when 
autoSkipNonRecoverableData=true.



Any suggestions are appreciated.




Thanks,





lordcheng10 

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