Put these in files like `/etc/rsyslog.d/40-grobid-skip.conf`.

Filter out lines from a given program:

    :programname, isequal, "GROBID" ~

Or matching a pattern:

    :msg, startswith, "inserting line to HBase: sha1:"
    :msg, contains, " INFO GET http"

For list of operations ("isequal", "regex", "contains"):

    https://www.rsyslog.com/doc/v8-stable/configuration/filters.html

For list of properties (":msg", ":programname"):

    https://www.rsyslog.com/doc/v8-stable/configuration/properties.html