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19 package org.apache.hadoop.hbase.chaos.actions;
20
21 import java.util.Random;
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23 import org.apache.hadoop.hbase.HBaseTestingUtility;
24 import org.apache.hadoop.hbase.client.Admin;
25 import org.apache.hadoop.hbase.client.HBaseAdmin;
26 import org.apache.hadoop.hbase.TableName;
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31 public class TruncateTableAction extends Action {
32 private final TableName tableName;
33 private final Random random;
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35 public TruncateTableAction(String tableName) {
36 this.tableName = TableName.valueOf(tableName);
37 this.random = new Random();
38 }
39
40 @Override
41 public void perform() throws Exception {
42 HBaseTestingUtility util = context.getHBaseIntegrationTestingUtility();
43 Admin admin = util.getHBaseAdmin();
44
45 boolean preserveSplits = random.nextBoolean();
46 LOG.info("Performing action: Truncate table " + tableName.getNameAsString() +
47 "preserve splits " + preserveSplits);
48 admin.truncateTable(tableName, preserveSplits);
49 }
50 }