server: improve logging for abnormal multi_get (#248)

src/server/pegasus_server_impl.cpp

@@ -940,6 +940,7 @@ void pegasus_server_impl::on_multi_get(const ::dsn::apps::multi_get_request &req
             dwarn("%s: rocksdb abnormal multi_get from %s: hash_key = \"%s\", "
                   "start_sort_key = \"%s\" (%s), stop_sort_key = \"%s\" (%s), "
                   "sort_key_filter_type = %s, sort_key_filter_pattern = \"%s\", "
+                  "max_kv_count = %d, max_kv_size = %d, reverse = %s, "
                   "result_count = %d, result_size = %" PRId64 ", iterate_count = %d, "
                   "expire_count = %d, filter_count = %d, time_used = %" PRIu64 " ns",
                   replica_name(),
@@ -952,6 +953,9 @@ void pegasus_server_impl::on_multi_get(const ::dsn::apps::multi_get_request &req
                   ::dsn::apps::_filter_type_VALUES_TO_NAMES.find(request.sort_key_filter_type)
                       ->second,
                   ::pegasus::utils::c_escape_string(request.sort_key_filter_pattern).c_str(),
+                  request.max_kv_count,
+                  request.max_kv_size,
+                  request.reverse ? "true" : "false",
                   count,
                   size,
                   iterate_count,