Examples of org.apache.cassandra.io.sstable.Descriptor

org.apache.cassandra.io.sstable.Descriptor
A SSTable is described by the keyspace and column family it contains data for, a generation (where higher generations contain more recent data) and an alphabetic version string. A descriptor can be marked as temporary, which influences generated filenames.

        logger.debug("Removing compacted SSTable files from {} (see http://wiki.apache.org/cassandra/MemtableSSTable)", columnFamily);


        Directories directories = Directories.create(table, columnFamily);
        for (Map.Entry<Descriptor,Set<Component>> sstableFiles : directories.sstableLister().list().entrySet())
        {
            Descriptor desc = sstableFiles.getKey();
            Set<Component> components = sstableFiles.getValue();


            if (components.contains(Component.COMPACTED_MARKER) || desc.temporary)
            {
                SSTable.delete(desc, components);
                continue;
            }


            File dataFile = new File(desc.filenameFor(Component.DATA));
            if (components.contains(Component.DATA) && dataFile.length() > 0)
                // everything appears to be in order... moving on.
                continue;


            // missing the DATA file! all components are orphaned
            logger.warn("Removing orphans for {}: {}", desc, components);
            for (Component component : components)
            {
                FileUtils.deleteWithConfirm(desc.filenameFor(component));
            }
        }


        // cleanup incomplete saved caches
        Pattern tmpCacheFilePattern = Pattern.compile(table + "-" + columnFamily + "-(Key|Row)Cache.*\\.tmp$");

View Full Code Here

        Set<SSTableReader> newSSTables = new HashSet<SSTableReader>();


        Directories.SSTableLister lister = directories.sstableLister().skipTemporary(true);
        for (Map.Entry<Descriptor, Set<Component>> entry : lister.list().entrySet())
        {
            Descriptor descriptor = entry.getKey();


            if (currentDescriptors.contains(descriptor))
                continue; // old (initialized) SSTable found, skipping
            if (descriptor.temporary) // in the process of being written
                continue;


            if (!descriptor.isCompatible())
                throw new RuntimeException(String.format("Can't open incompatible SSTable! Current version %s, found file: %s",
                                                         Descriptor.Version.CURRENT,
                                                         descriptor));


            Descriptor newDescriptor = new Descriptor(descriptor.version,
                                                      descriptor.directory,
                                                      descriptor.ksname,
                                                      descriptor.cfname,
                                                      fileIndexGenerator.incrementAndGet(),
                                                      false);

View Full Code Here

        return getTempSSTablePath(directory, Descriptor.Version.CURRENT);
    }


    private String getTempSSTablePath(File directory, Descriptor.Version version)
    {
        Descriptor desc = new Descriptor(version,
                                         directory,
                                         table.name,
                                         columnFamily,
                                         fileIndexGenerator.incrementAndGet(),
                                         true);
        return desc.filenameFor(Component.DATA);
    }

View Full Code Here

            if (incrementalsPath.exists())
                pairs = Iterables.concat(pairs, files(incrementalsPath, columnFamily));


            for (Pair<Descriptor, Component> pair : pairs)
            {
                Descriptor desc = pair.left;
                if (!desc.cfname.equals(columnFamily))
                    continue;
                generations.add(desc.generation);
                if (!desc.isCompatible())
                    throw new RuntimeException(String.format("Can't open incompatible SSTable! Current version %s, found file: %s",
                                                             Descriptor.CURRENT_VERSION, desc));
            }
        }
        Collections.sort(generations);

View Full Code Here

    {
        logger.debug("Removing compacted SSTable files from {} (see http://wiki.apache.org/cassandra/MemtableSSTable)", columnFamily);


        for (Map.Entry<Descriptor,Set<Component>> sstableFiles : files(table, columnFamily, true, true).entrySet())
        {
            Descriptor desc = sstableFiles.getKey();
            Set<Component> components = sstableFiles.getValue();


            if (components.contains(Component.COMPACTED_MARKER) || desc.temporary)
            {
                try
                {
                    SSTable.delete(desc, components);
                }
                catch (IOException e)
                {
                    throw new IOError(e);
                }
                continue;
            }


            File dataFile = new File(desc.filenameFor(Component.DATA));
            if (components.contains(Component.DATA) && dataFile.length() > 0)
                // everything appears to be in order... moving on.
                continue;


            // missing the DATA file! all components are orphaned
            logger.warn("Removing orphans for {}: {}", desc, components);
            for (Component component : components)
            {
                try
                {
                    FileUtils.deleteWithConfirm(desc.filenameFor(component));
                }
                catch (IOException e)
                {
                    throw new IOError(e);
                }

View Full Code Here

        // set to true if we have at least one new SSTable to load
        boolean atLeastOneNew = false;


        for (Map.Entry<Descriptor, Set<Component>> rawSSTable : files(table.name, columnFamily, false, false).entrySet())
        {
            Descriptor descriptor = rawSSTable.getKey();


            if (currentDescriptors.contains(descriptor))
                continue; // old (initialized) SSTable found, skipping


            if (!descriptor.cfname.equals(columnFamily))
                continue;


            if (!descriptor.isCompatible())
                throw new RuntimeException(String.format("Can't open incompatible SSTable! Current version %s, found file: %s",
                                                         Descriptor.CURRENT_VERSION,
                                                         descriptor));


            logger.info("Initializing new SSTable {}", rawSSTable);

View Full Code Here

        return getTempSSTablePath(location, version);
    }


    public String getTempSSTablePath(String directory, String version)
    {
        Descriptor desc = new Descriptor(version,
                                         new File(directory),
                                         table.name,
                                         columnFamily,
                                         fileIndexGenerator.incrementAndGet(),
                                         true);
        return desc.filenameFor(Component.DATA);
    }

View Full Code Here


        File backupDir = new File(DatabaseDescriptor.getDataFileLocationForTable("Keyspace2", 0), "backups");


        for (int version = 1; version <= 2; ++version)
        {
            Descriptor desc = new Descriptor(backupDir, "Keyspace2", "Standard1", version, false);
            for (Component c : new Component[]{ Component.DATA, Component.PRIMARY_INDEX, Component.FILTER, Component.STATS })
                assertTrue("can not find backedup file:" + desc.filenameFor(c), new File(desc.filenameFor(c)).exists());
        }
    }

View Full Code Here

        rm.add(new QueryPath("Indexed1", null, ByteBufferUtil.bytes("birthdate")), ByteBufferUtil.bytes(1L), 0);
        rm.apply();
        ColumnFamilyStore cfs = Table.open("Keyspace6").getColumnFamilyStore("Indexed1");
        cfs.forceBlockingFlush();
        ColumnFamilyStore indexedCfs = cfs.getIndexedColumnFamilyStore(cfs.getIndexedColumns().iterator().next());
        Descriptor desc = indexedCfs.getSSTables().iterator().next().descriptor;


        // drop the index
        CFMetaData meta = CFMetaData.rename(cfs.metadata, cfs.metadata.cfName); // abusing rename to clone
        ColumnDefinition cdOld = meta.column_metadata.values().iterator().next();
        ColumnDefinition cdNew = new ColumnDefinition(cdOld.name, cdOld.getValidator().getClass().getName(), null, null);
        meta.column_metadata.put(cdOld.name, cdNew);
        UpdateColumnFamily update = new UpdateColumnFamily(CFMetaData.convertToAvro(meta));
        update.apply();


        // check
        assert cfs.getIndexedColumns().isEmpty();
        ColumnFamilyStore.scrubDataDirectories("Keyspace6", "Indexed1");
        assert !new File(desc.filenameFor(Component.DATA)).exists();
    }

View Full Code Here

        Directories directories = Directories.create(table.name, columnFamily);
        Directories.SSTableLister lister = directories.sstableLister().includeBackups(true);
        List<Integer> generations = new ArrayList<Integer>();
        for (Map.Entry<Descriptor, Set<Component>> entry : lister.list().entrySet())
        {
            Descriptor desc = entry.getKey();
            generations.add(desc.generation);
            if (!desc.isCompatible())
                throw new RuntimeException(String.format("Can't open incompatible SSTable! Current version %s, found file: %s", Descriptor.CURRENT_VERSION, desc));
        }
        Collections.sort(generations);
        int value = (generations.size() > 0) ? (generations.get(generations.size() - 1)) : 0;

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.apache.cassandra.io.sstable.Descriptor

org.apache.cassandra.config.DefsTest

org.apache.cassandra.db.ColumnFamilyStore

org.apache.cassandra.db.ColumnFamilyStoreTest

org.apache.cassandra.db.compaction.CompactionManager

org.apache.cassandra.db.compaction.LegacyLeveledManifest

org.apache.cassandra.db.compaction.LegacyLeveledManifestTest

org.apache.cassandra.db.compaction.LegacyLeveledManifestTestHelper

org.apache.cassandra.db.DefsTest

org.apache.cassandra.db.DirectoriesTest

org.apache.cassandra.db.ScrubTest

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.