Returns the a failure reason code for each node that failed.
At the time of writing, the existing reason codes are:
-
0x0000: the error does not have a specific code assigned yet, or the cause is
unknown.
-
0x0001: The read operation scanned too many tombstones (as defined by
tombstone_failure_threshold in
cassandra.yaml, causing a
TombstoneOverwhelmingException.
(please refer to the Cassandra documentation for your version for the most up-to-date list of
errors)
This feature is available for protocol v5 or above only. With lower protocol versions, the
map will always be empty.