| // 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. |
| |
| namespace cpp impala |
| namespace java org.apache.impala.thrift |
| |
| // Metric and counter data types. |
| enum TUnit { |
| // A dimensionless numerical quantity |
| UNIT, |
| // Rate of a dimensionless numerical quantity |
| UNIT_PER_SECOND, |
| CPU_TICKS, |
| BYTES |
| BYTES_PER_SECOND, |
| TIME_NS, |
| DOUBLE_VALUE, |
| // No units at all, may not be a numerical quantity |
| NONE, |
| TIME_MS, |
| TIME_S, |
| TIME_US |
| } |
| |
| // The kind of value that a metric represents. |
| enum TMetricKind { |
| // May go up or down over time |
| GAUGE, |
| // A strictly increasing value |
| COUNTER, |
| // Fixed; will never change |
| PROPERTY, |
| STATS, |
| SET, |
| HISTOGRAM |
| } |