Previous versions of Elasticsearch accepted the Content-type header field for controlling the media type of the response in the cat API. This is in opposition to the HTTP spec which specifies the Accept header field for this purpose. Elasticsearch now uses the Accept header field and support for using the Content-Type header field for this purpose has been removed.
host field has been removed from the cat nodes API as its value
is always equal to the
ip field. The
name field is available in the
cat nodes API and should be used instead of the
files_recovered have been added to
the cat recovery API. These fields, respectively, indicate the total
number of bytes and files that have been recovered.
total_bytes have been renamed to
Additionally, the field
translog has been renamed to
translog_ops_recovered, the field
translog_ops and the field
translog_ops_percent. The short aliases for these fields are
The cat nodes endpoint returns
m for master eligible,
d for data,
i for ingest. A node with no explicit roles will be a coordinating
only node and marked with
-. A node can have multiple roles. The
master column has been adapted to return only whether a node is the
current master (
*) or not (
The cat field data endpoint adds a row per field instead of a column per field.
total field has been removed from the field data API. Total field data usage per node
can be got by cat nodes API.