| /* |
| * 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.accumulo.tserver; |
| |
| import org.apache.accumulo.core.tabletserver.thrift.ActionStats; |
| import org.apache.accumulo.core.tabletserver.thrift.TabletStats; |
| import org.apache.accumulo.server.util.ActionStatsUpdator; |
| |
| public class TabletStatsKeeper { |
| |
| // suspect we need more synchronization in this class |
| private ActionStats major = new ActionStats(); |
| private ActionStats minor = new ActionStats(); |
| private ActionStats split = new ActionStats(); |
| |
| public enum Operation { |
| MAJOR, SPLIT, MINOR |
| } |
| |
| private ActionStats[] map = {major, split, minor}; |
| |
| public void updateTime(Operation operation, long queued, long start, long count, boolean failed) { |
| try { |
| ActionStats data = map[operation.ordinal()]; |
| if (failed) { |
| data.fail++; |
| data.status--; |
| } else { |
| double t = (System.currentTimeMillis() - start) / 1000.0; |
| double q = (start - queued) / 1000.0; |
| |
| data.status--; |
| data.count += count; |
| data.num++; |
| data.elapsed += t; |
| data.queueTime += q; |
| data.sumDev += t * t; |
| data.queueSumDev += q * q; |
| if (data.elapsed < 0 || data.sumDev < 0 || data.queueSumDev < 0 || data.queueTime < 0) |
| resetTimes(); |
| } |
| } catch (Exception E) { |
| resetTimes(); |
| } |
| |
| } |
| |
| public void updateTime(Operation operation, long start, long count, boolean failed) { |
| try { |
| ActionStats data = map[operation.ordinal()]; |
| if (failed) { |
| data.fail++; |
| data.status--; |
| } else { |
| double t = (System.currentTimeMillis() - start) / 1000.0; |
| |
| data.status--; |
| data.num++; |
| data.elapsed += t; |
| data.sumDev += t * t; |
| |
| if (data.elapsed < 0 || data.sumDev < 0 || data.queueSumDev < 0 || data.queueTime < 0) |
| resetTimes(); |
| } |
| } catch (Exception E) { |
| resetTimes(); |
| } |
| |
| } |
| |
| public void saveMajorMinorTimes(TabletStats t) { |
| ActionStatsUpdator.update(minor, t.minors); |
| ActionStatsUpdator.update(major, t.majors); |
| } |
| |
| private void resetTimes() { |
| major = new ActionStats(); |
| split = new ActionStats(); |
| minor = new ActionStats(); |
| } |
| |
| public void incrementStatusMinor() { |
| minor.status++; |
| } |
| |
| public void incrementStatusMajor() { |
| major.status++; |
| } |
| |
| void incrementStatusSplit() { |
| split.status++; |
| } |
| |
| public TabletStats getTabletStats() { |
| return new TabletStats(null, major, minor, split, 0, 0, 0, 0); |
| } |
| } |