| /* |
| * 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.samza.storage.kv |
| |
| import org.apache.samza.metrics.{MetricsHelper, MetricsRegistry, MetricsRegistryMap, SamzaHistogram} |
| |
| |
| class SerializedKeyValueStoreMetrics( |
| val storeName: String = "unknown", |
| val registry: MetricsRegistry = new MetricsRegistryMap) extends MetricsHelper { |
| |
| val gets = newCounter("gets") |
| val ranges = newCounter("ranges") |
| val alls = newCounter("alls") |
| val puts = newCounter("puts") |
| val deletes = newCounter("deletes") |
| val flushes = newCounter("flushes") |
| val bytesSerialized = newCounter("bytes-serialized") |
| val bytesDeserialized = newCounter("bytes-deserialized") |
| val maxRecordKeySizeBytes = newGauge("max-record-key-size-bytes", 0L) |
| val maxRecordSizeBytes = newGauge("max-record-size-bytes", 0L) |
| val record_key_size_percentiles = java.util.Arrays.asList[java.lang.Double](50D, 90D, 99D, 99.9D) |
| val record_value_size_percentiles = java.util.Arrays.asList[java.lang.Double](50D, 90D, 99D, 99.9D) |
| |
| /** |
| * Metric used for monitoring the size of keys written to KV storage. |
| * This metric is a {@link SamzaHistogram} stores counts for each percentile range. |
| * Counts for each range is emitted as a {@link Gauge} |
| */ |
| val recordKeySizeBytes = newHistogram("key-size-bytes-histogram", record_key_size_percentiles) |
| |
| /** |
| * Metric used for monitoring the size of values written to KV storage. |
| * This metric is a {@link SamzaHistogram} stores counts for each percentile range. |
| * Counts for each range is emitted as a {@link Gauge} |
| */ |
| val recordValueSizeBytes = newHistogram("value-size-bytes-histogram", record_value_size_percentiles) |
| |
| |
| |
| |
| override def getPrefix = storeName + "-" |
| } |