本文整理汇总了Java中org.apache.cassandra.db.Directories.SSTableLister方法的典型用法代码示例。如果您正苦于以下问题：Java Directories.SSTableLister方法的具体用法？Java Directories.SSTableLister怎么用？Java Directories.SSTableLister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.Directories的用法示例。
在下文中一共展示了Directories.SSTableLister方法的4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: main
import org.apache.cassandra.db.Directories; //导入方法依赖的package包/类
/**
* @param args a list of sstables whose metadata we are changing
*/
public static void main(String[] args) throws IOException
{
PrintStream out = System.out;
if (args.length < 2)
{
out.println("This command should be run with Cassandra stopped!");
out.println("Usage: sstableofflinerelevel [--dry-run] <keyspace> <columnfamily>");
System.exit(1);
}
boolean dryRun = args[0].equals("--dry-run");
String keyspace = args[args.length - 2];
String columnfamily = args[args.length - 1];
DatabaseDescriptor.loadSchemas(false);
if (Schema.instance.getCFMetaData(keyspace, columnfamily) == null)
throw new IllegalArgumentException(String.format("Unknown keyspace/columnFamily %s.%s",
keyspace,
columnfamily));
Keyspace ks = Keyspace.openWithoutSSTables(keyspace);
ColumnFamilyStore cfs = ks.getColumnFamilyStore(columnfamily);
Directories.SSTableLister lister = cfs.directories.sstableLister().skipTemporary(true);
Set<SSTableReader> sstables = new HashSet<>();
for (Map.Entry<Descriptor, Set<Component>> sstable : lister.list().entrySet())
{
if (sstable.getKey() != null)
{
try
{
SSTableReader reader = SSTableReader.open(sstable.getKey());
sstables.add(reader);
}
catch (Throwable t)
{
out.println("Couldn't open sstable: "+sstable.getKey().filenameFor(Component.DATA));
Throwables.propagate(t);
}
}
}
if (sstables.isEmpty())
{
out.println("No sstables to relevel for "+keyspace+"."+columnfamily);
System.exit(1);
}
Relevel rl = new Relevel(sstables);
rl.relevel(dryRun);
System.exit(0);
}
示例2: main
import org.apache.cassandra.db.Directories; //导入方法依赖的package包/类
/**
* @param args a list of sstables whose metadata we are changing
*/
public static void main(String[] args) throws IOException
{
PrintStream out = System.out;
if (args.length < 2)
{
out.println("This command should be run with Cassandra stopped!");
out.println("Usage: sstableofflinerelevel [--dry-run] <keyspace> <columnfamily>");
System.exit(1);
}
Util.initDatabaseDescriptor();
boolean dryRun = args[0].equals("--dry-run");
String keyspace = args[args.length - 2];
String columnfamily = args[args.length - 1];
Schema.instance.loadFromDiskForTool();
if (Schema.instance.getCFMetaData(keyspace, columnfamily) == null)
throw new IllegalArgumentException(String.format("Unknown keyspace/columnFamily %s.%s",
keyspace,
columnfamily));
Keyspace ks = Keyspace.openWithoutSSTables(keyspace);
ColumnFamilyStore cfs = ks.getColumnFamilyStore(columnfamily);
Directories.SSTableLister lister = cfs.getDirectories().sstableLister(Directories.OnTxnErr.THROW).skipTemporary(true);
Set<SSTableReader> sstables = new HashSet<>();
for (Map.Entry<Descriptor, Set<Component>> sstable : lister.list().entrySet())
{
if (sstable.getKey() != null)
{
try
{
SSTableReader reader = SSTableReader.open(sstable.getKey());
sstables.add(reader);
}
catch (Throwable t)
{
out.println("Couldn't open sstable: "+sstable.getKey().filenameFor(Component.DATA));
Throwables.propagate(t);
}
}
}
if (sstables.isEmpty())
{
out.println("No sstables to relevel for "+keyspace+"."+columnfamily);
System.exit(1);
}
Relevel rl = new Relevel(sstables);
rl.relevel(dryRun);
System.exit(0);
}
示例3: main
import org.apache.cassandra.db.Directories; //导入方法依赖的package包/类
public static void main(String[] args) throws IOException
{
PrintStream out = System.out;
if (args.length < 2)
{
out.println("Usage: sstableexpiredblockers <keyspace> <table>");
System.exit(1);
}
Util.initDatabaseDescriptor();
String keyspace = args[args.length - 2];
String columnfamily = args[args.length - 1];
Schema.instance.loadFromDiskForTool();
CFMetaData metadata = Schema.instance.getCFMetaData(keyspace, columnfamily);
if (metadata == null)
throw new IllegalArgumentException(String.format("Unknown keyspace/table %s.%s",
keyspace,
columnfamily));
Keyspace ks = Keyspace.openWithoutSSTables(keyspace);
ColumnFamilyStore cfs = ks.getColumnFamilyStore(columnfamily);
Directories.SSTableLister lister = cfs.getDirectories().sstableLister(Directories.OnTxnErr.THROW).skipTemporary(true);
Set<SSTableReader> sstables = new HashSet<>();
for (Map.Entry<Descriptor, Set<Component>> sstable : lister.list().entrySet())
{
if (sstable.getKey() != null)
{
try
{
SSTableReader reader = SSTableReader.open(sstable.getKey());
sstables.add(reader);
}
catch (Throwable t)
{
out.println("Couldn't open sstable: " + sstable.getKey().filenameFor(Component.DATA)+" ("+t.getMessage()+")");
}
}
}
if (sstables.isEmpty())
{
out.println("No sstables for " + keyspace + "." + columnfamily);
System.exit(1);
}
int gcBefore = (int)(System.currentTimeMillis()/1000) - metadata.params.gcGraceSeconds;
Multimap<SSTableReader, SSTableReader> blockers = checkForExpiredSSTableBlockers(sstables, gcBefore);
for (SSTableReader blocker : blockers.keySet())
{
out.println(String.format("%s blocks %d expired sstables from getting dropped: %s%n",
formatForExpiryTracing(Collections.singleton(blocker)),
blockers.get(blocker).size(),
formatForExpiryTracing(blockers.get(blocker))));
}
System.exit(0);
}
示例4: getSSTablesToRead
import org.apache.cassandra.db.Directories; //导入方法依赖的package包/类
List<File> getSSTablesToRead() {
final Directories directories = Directories.create(metadata.getKeyspace(), metadata.getColumnFamily());
final Directories.SSTableLister sstableFiles = directories.sstableLister().skipTemporary(true);
return sstableFiles.listFiles();
}