/*
* 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.cassandra.tools.nodetool;
import static com.google.common.base.Preconditions.checkArgument;
import io.airlift.command.Arguments;
import io.airlift.command.Command;
import java.util.ArrayList;
import java.util.List;
import org.apache.cassandra.tools.NodeProbe;
import org.apache.cassandra.tools.NodeTool.NodeToolCmd;
@Command(name = "setcachekeystosave", description = "Set number of keys saved by each cache for faster post-restart warmup. 0 to disable")
public class SetCacheKeysToSave extends NodeToolCmd
{
@Arguments(title = "<key-cache-keys-to-save> <row-cache-keys-to-save> <counter-cache-keys-to-save>",
usage = "<key-cache-keys-to-save> <row-cache-keys-to-save> <counter-cache-keys-to-save>",
description = "The number of keys saved by each cache. 0 to disable",
required = true)
private List<Integer> args = new ArrayList<>();
@Override
public void execute(NodeProbe probe)
{
checkArgument(args.size() == 3, "setcachekeystosave requires key-cache-keys-to-save, row-cache-keys-to-save, and counter-cache-keys-to-save args.");
probe.setCacheKeysToSave(args.get(0), args.get(1), args.get(2));
}
}