org.apache.hadoop.hbase.regionserver.MetricsTableQueryMeter Maven / Gradle / Ivy
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* 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.hadoop.hbase.regionserver;
import org.apache.hadoop.hbase.TableName;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Query Per Second for each table in a RegionServer.
*/
@InterfaceAudience.Private
public interface MetricsTableQueryMeter {
/**
* Update table read QPS
* @param tableName The table the metric is for
* @param count Number of occurrences to record
*/
void updateTableReadQueryMeter(TableName tableName, long count);
/**
* Update table read QPS
* @param tableName The table the metric is for
*/
void updateTableReadQueryMeter(TableName tableName);
/**
* Update table write QPS
* @param tableName The table the metric is for
* @param count Number of occurrences to record
*/
void updateTableWriteQueryMeter(TableName tableName, long count);
/**
* Update table write QPS
* @param tableName The table the metric is for
*/
void updateTableWriteQueryMeter(TableName tableName);
}