skywalking Directive => Local Value => Master Value skywalking.enable => Off => Off skywalking.service => hello_skywalking => hello_skywalking skywalking.service_instance => no value => no value skywalking.oap_version => 9.0.0 => 9.0.0 skywalking.oap_cross_process_protocol => 3.0 => 3.0 skywalking.oap_authentication => no value => no value skywalking.grpc_address => 127.0.0.1:11800 => 127.0.0.1:11800 skywalking.grpc_tls_enable => Off => Off skywalking.grpc_tls_pem_root_certs => no value => no value skywalking.grpc_tls_pem_private_key => no value => no value skywalking.grpc_tls_pem_cert_chain => no value => no value skywalking.log_level => disable => disable skywalking.log_path => /tmp/skywalking-php.log => /tmp/skywalking-php.log skywalking.curl_response_enable => Off => Off skywalking.error_handler_enable => Off => Off skywalking.mq_max_message_length => 20480 => 20480 skywalking.mq_unique => 0 => 0 skywalking.sample_n_per_3_secs => -1 => -1