Multiple entries of event log as below seen. However there seem to be no impact on any proxy operation.
2017-11-02 21:19:21-00:00UTC "Access Log (log): Whole line check on buffer (possibly partial compressed block for recovery)" 0 E0000:65 alog_stream.cpp:1794
This access log entry is an excessive one which has no impact to the ProxySG operation.
This is actually being fix in SGOS 188.8.131.52