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https://issues.apache.org/jira/browse/CARBONDATA-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15454973#comment-15454973 ]
ASF GitHub Bot commented on CARBONDATA-200:
-------------------------------------------
Github user foryou2030 commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/91#discussion_r77147039
--- Diff: core/src/main/java/org/apache/carbondata/core/carbon/querystatistics/SingleQueryStatisticsRecorder.java ---
@@ -0,0 +1,193 @@
+/*
+ * 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.carbondata.core.carbon.querystatistics;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import org.apache.carbondata.common.logging.LogService;
+import org.apache.carbondata.common.logging.LogServiceFactory;
+
+/**
+ * Class will be used to record and log the query statistics
+ */
+public class SingleQueryStatisticsRecorder implements Serializable {
+
+ private static final LogService LOGGER =
+ LogServiceFactory.getLogService(SingleQueryStatisticsRecorder.class.getName());
+ /**
+ * serialization version
+ */
+ private static final long serialVersionUID = -1L;
+
+ /**
+ * singleton QueryStatisticsRecorder for driver
+ */
+ private HashMap<String, List<QueryStatistic>> queryStatisticsMap;
--- End diff --
handled
> Add performance statistics logs to record the query time taken by carbon
> ------------------------------------------------------------------------
>
> Key: CARBONDATA-200
> URL:
https://issues.apache.org/jira/browse/CARBONDATA-200> Project: CarbonData
> Issue Type: New Feature
> Reporter: Gin-zhj
> Assignee: Gin-zhj
> Priority: Minor
>
> Add performance statistics logs to record the query time taken by carbon,
> show the query statistics like a table, so users can easily analyzing the query performance.
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