rnewson commented on code in PR #6013:
URL: https://github.com/apache/couchdb/pull/6013#discussion_r3726997678
##########
src/couch_replicator/src/couch_replicator_api_wrap.erl:
##########
@@ -1052,6 +1068,32 @@ header_value(Key, Headers, Default) ->
_ ->
Default
end.
+
+%% Returns true if compression is enabled for HttpDb and Body is large enough.
+compress_requests(#httpdb{request_compression = ?COMPRESS_NONE}, _BodySize) ->
+ false;
+compress_requests(#httpdb{request_compression = ?COMPRESS_GZIP}, BodySize) ->
+ MinSize = config:get_integer("replicator", "compress_min_size",
?COMPRESS_MIN_SIZE),
+ BodySize >= MinSize;
+compress_requests(#httpdb{}, _BodySize) ->
+ false.
+
+%% Compress Body with gzip, prepend Content-Length and Content-Encoding
headers.
+%% Returns {CompressedBody, Headers}.
+gzip_request_body(Body, Headers) ->
+ Compressed = zlib:gzip(iolist_to_binary(Body)),
Review Comment:
zlib:gzip/1 takes iodata, so iolist_to_binary is unnecessary extra work.
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