本文整理汇总了Java中org.apache.cassandra.db.ColumnFamilyStore.getCompactionStrategy方法的典型用法代码示例。如果您正苦于以下问题：Java ColumnFamilyStore.getCompactionStrategy方法的具体用法？Java ColumnFamilyStore.getCompactionStrategy怎么用？Java ColumnFamilyStore.getCompactionStrategy使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.cassandra.db.ColumnFamilyStore的用法示例。
在下文中一共展示了ColumnFamilyStore.getCompactionStrategy方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: Upgrader
import org.apache.cassandra.db.ColumnFamilyStore; //导入方法依赖的package包/类
public Upgrader(ColumnFamilyStore cfs, SSTableReader sstable, OutputHandler outputHandler)
{
this.cfs = cfs;
this.sstable = sstable;
this.toUpgrade = Collections.singletonList(sstable);
this.outputHandler = outputHandler;
this.directory = new File(sstable.getFilename()).getParentFile();
this.controller = new UpgradeController(cfs);
this.strategy = cfs.getCompactionStrategy();
long estimatedTotalKeys = Math.max(cfs.metadata.getIndexInterval(), SSTableReader.getApproximateKeyCount(toUpgrade, cfs.metadata));
long estimatedSSTables = Math.max(1, SSTable.getTotalBytes(this.toUpgrade) / strategy.getMaxSSTableSize());
this.estimatedRows = (long) Math.ceil((double) estimatedTotalKeys / estimatedSSTables);
}
示例2: Upgrader
import org.apache.cassandra.db.ColumnFamilyStore; //导入方法依赖的package包/类
public Upgrader(ColumnFamilyStore cfs, SSTableReader sstable, OutputHandler outputHandler)
{
this.cfs = cfs;
this.sstable = sstable;
this.outputHandler = outputHandler;
this.directory = new File(sstable.getFilename()).getParentFile();
this.controller = new UpgradeController(cfs);
this.strategy = cfs.getCompactionStrategy();
long estimatedTotalKeys = Math.max(cfs.metadata.getMinIndexInterval(), SSTableReader.getApproximateKeyCount(Arrays.asList(this.sstable)));
long estimatedSSTables = Math.max(1, SSTableReader.getTotalBytes(Arrays.asList(this.sstable)) / strategy.getMaxSSTableBytes());
this.estimatedRows = (long) Math.ceil((double) estimatedTotalKeys / estimatedSSTables);
}
示例3: waitForLeveling
import org.apache.cassandra.db.ColumnFamilyStore; //导入方法依赖的package包/类
/**
* wait for leveled compaction to quiesce on the given columnfamily
*/
private void waitForLeveling(ColumnFamilyStore cfs) throws InterruptedException, ExecutionException
{
LeveledCompactionStrategy strategy = (LeveledCompactionStrategy) cfs.getCompactionStrategy();
// L0 is the lowest priority, so when that's done, we know everything is done
while (strategy.getLevelSize(0) > 1)
Thread.sleep(100);
}