| /* |
| * 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.jackrabbit.oak.query.stats; |
| |
| import org.apache.jackrabbit.oak.commons.json.JsopBuilder; |
| |
| public class QueryStatsData { |
| |
| private final String query; |
| private final String language; |
| private final long createdMillis = System.currentTimeMillis(); |
| private boolean internal; |
| private String lastThreadName; |
| private long lastExecutedMillis; |
| private long executeCount; |
| |
| /** |
| * Rows read by iterating over the query result. |
| */ |
| private long totalRowsRead; |
| private long maxRowsRead; |
| |
| /** |
| * Rows returned by the index. |
| */ |
| private long totalRowsScanned; |
| private long maxRowsScanned; |
| private long planNanos; |
| private long readNanos; |
| private long maxTimeNanos; |
| private boolean captureStackTraces; |
| |
| public QueryStatsData(String query, String language) { |
| this.query = query; |
| this.language = language; |
| } |
| |
| public String getKey() { |
| return query + "/" + language; |
| } |
| |
| /** |
| * The maximum CPU time needed to run one query. |
| * |
| * @return the time in nanoseconds |
| */ |
| public long getMaxTimeNanos() { |
| return maxTimeNanos; |
| } |
| |
| public long getTotalTimeNanos() { |
| return planNanos + readNanos; |
| } |
| |
| public long getMaxRowsScanned() { |
| return maxRowsScanned; |
| } |
| |
| public void setCaptureStackTraces(boolean captureStackTraces) { |
| this.captureStackTraces = captureStackTraces; |
| } |
| |
| public long getCreatedMillis() { |
| return createdMillis; |
| } |
| |
| |
| public long getExecuteCount() { |
| return executeCount; |
| } |
| |
| public long getTotalRowsRead() { |
| return totalRowsRead; |
| } |
| |
| public long getTotalRowsScanned() { |
| return totalRowsScanned; |
| } |
| |
| public String getLanguage() { |
| return language; |
| } |
| |
| public String getQuery() { |
| return query; |
| } |
| |
| public boolean isInternal() { |
| return internal; |
| } |
| |
| public String getLastThreadName() { |
| return lastThreadName; |
| } |
| |
| public long getLastExecutedMillis() { |
| return lastExecutedMillis; |
| } |
| |
| @Override |
| public String toString() { |
| return new JsopBuilder().object(). |
| key("createdMillis").value(getTimeString(createdMillis)). |
| key("lastExecutedMillis").value(getTimeString(lastExecutedMillis)). |
| key("executeCount").value(executeCount). |
| key("totalRowsRead").value(totalRowsRead). |
| key("maxRowsRead").value(maxRowsRead). |
| key("totalRowsScanned").value(totalRowsScanned). |
| key("maxRowsScanned").value(maxRowsScanned). |
| key("planNanos").value(planNanos). |
| key("readNanos").value(readNanos). |
| key("maxTimeNanos").value(maxTimeNanos). |
| key("internal").value(internal). |
| key("query").value(query). |
| key("language").value(language). |
| key("lastThreadName").value(lastThreadName). |
| endObject().toString(); |
| } |
| |
| public static final String getTimeString(long timeMillis) { |
| return String.format("%tF %tT", timeMillis, timeMillis); |
| } |
| |
| public class QueryExecutionStats { |
| |
| long time; |
| private final long SLOW_QUERY_HISTOGRAM = 1; |
| private final long TOTAL_QUERY_HISTOGRAM = 0; |
| private final String SLOW_QUERY_PERCENTILE_METRICS_NAME = "SLOW_QUERY_PERCENTILE_METRICS"; |
| private final String SLOW_QUERY_COUNT_NAME = "SLOW_QUERY_COUNT"; |
| private final int SLOW_QUERY_LIMIT_SCANNED = |
| Integer.getInteger("oak.query.slowScanLimit", 100000); |
| |
| public void execute(long nanos) { |
| QueryRecorder.record(query, internal); |
| executeCount++; |
| lastExecutedMillis = System.currentTimeMillis(); |
| time += nanos; |
| planNanos += nanos; |
| maxTimeNanos = Math.max(maxTimeNanos, time); |
| } |
| |
| public void setInternal(boolean b) { |
| internal = b; |
| } |
| |
| public void setThreadName(String name) { |
| if (captureStackTraces) { |
| StringBuilder buff = new StringBuilder(); |
| for(StackTraceElement e : Thread.currentThread().getStackTrace()) { |
| buff.append("\n\tat " + e); |
| } |
| name = name + buff.toString(); |
| } |
| lastThreadName = name; |
| } |
| |
| public void read(long count, long max, long nanos) { |
| totalRowsRead += count; |
| maxRowsRead = Math.max(maxRowsRead, max); |
| time += nanos; |
| readNanos += nanos; |
| maxTimeNanos = Math.max(maxTimeNanos, time); |
| } |
| |
| public void scan(long count, long max) { |
| totalRowsScanned += count; |
| maxRowsScanned = Math.max(maxRowsScanned, max); |
| } |
| } |
| |
| } |