nastra commented on a change in pull request #4050: URL: https://github.com/apache/iceberg/pull/4050#discussion_r801476916
########## File path: api/src/main/java/org/apache/iceberg/io/FileIOMetrics.java ########## @@ -0,0 +1,58 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.iceberg.io; + +import java.io.Serializable; +import java.util.Map; + +/** + * Optional interface for FileIO implementations to report metrics related + * to read/write operations. + */ +public interface FileIOMetrics extends Serializable { + String READ_BYTES = "read.bytes"; Review comment: I think one of the challenges might become the metric names and their usage with different systems. Prometheus for example uses suffixes like `_seconds` / `_bytes` / `_total` (https://prometheus.io/docs/practices/naming/). One option would we to have a metric name converter to match whatever the target metric system expects it to be. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
