Examples of org.apache.cassandra.db.ColumnFamilyStore$PostFlush

org.apache.cassandra.db.ColumnFamilyStore
Both synchronises custom secondary indexes and provides ordering guarantees for futures on switchMemtable/flush etc, which expect to be able to wait until the flush (and all prior flushes) requested have completed.

    private void scheduleTidy(final boolean closeBf, final boolean closeSummary, final boolean closeFiles, final boolean deleteFiles, final boolean deleteAll)
    {
        if (references.get() != 0)
            throw new IllegalStateException("SSTable is not fully released (" + references.get() + " references)");


        final ColumnFamilyStore cfs = Schema.instance.getColumnFamilyStoreInstance(metadata.cfId);
        final OpOrder.Barrier barrier;
        if (cfs != null)
        {
            barrier = cfs.readOrdering.newBarrier();
            barrier.issue();

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        List<Future<?>> futures = new ArrayList<>();
        for (Map.Entry<UUID, ColumnFamilyStore> columnFamilyStoreEntry : prs.columnFamilyStores.entrySet())
        {


            Collection<SSTableReader> sstables = new HashSet<>(prs.getAndReferenceSSTables(columnFamilyStoreEntry.getKey()));
            ColumnFamilyStore cfs = columnFamilyStoreEntry.getValue();
            boolean success = false;
            while (!success)
            {
                for (SSTableReader compactingSSTable : cfs.getDataTracker().getCompacting())
                {
                    if (sstables.remove(compactingSSTable))
                        SSTableReader.releaseReferences(Arrays.asList(compactingSSTable));
                }
                success = sstables.isEmpty() || cfs.getDataTracker().markCompacting(sstables);
            }


            futures.add(CompactionManager.instance.submitAntiCompaction(cfs, prs.ranges, sstables, prs.repairedAt));
        }

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    }


    /** load keyspace (keyspace) definitions, but do not initialize the keyspace instances. */
    public static void loadSchemas()
    {
        ColumnFamilyStore schemaCFS = SystemKeyspace.schemaCFS(SystemKeyspace.SCHEMA_KEYSPACES_CF);


        // if keyspace with definitions is empty try loading the old way
        if (schemaCFS.estimateKeys() == 0)
        {
            logger.info("Couldn't detect any schema definitions in local storage.");
            // peek around the data directories to see if anything is there.
            if (hasExistingNoSystemTables())
                logger.info("Found keyspace data in data directories. Consider using cqlsh to define your schema.");

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    {
        Set<ColumnFamilyStore> cfsList = new HashSet<>();


        for (SecondaryIndex index: allIndexes)
        {
            ColumnFamilyStore cfs = index.getIndexCfs();
            if (cfs != null)
                cfsList.add(cfs);
        }


        return cfsList;

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        // make sure the writes have materialized inside of the memtables by waiting for all outstanding writes
        // on the relevant keyspaces to complete
        Set<Keyspace> keyspaces = new HashSet<>();
        for (UUID cfId : last.getDirtyCFIDs())
        {
            ColumnFamilyStore cfs = Schema.instance.getColumnFamilyStoreInstance(cfId);
            if (cfs != null)
                keyspaces.add(cfs.keyspace);
        }
        for (Keyspace keyspace : keyspaces)
            keyspace.writeOrder.awaitNewBarrier();

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                    segment.markClean(dirtyCFId, segment.getContext());
                }
                else if (!flushes.containsKey(dirtyCFId))
                {
                    String keyspace = pair.left;
                    final ColumnFamilyStore cfs = Keyspace.open(keyspace).getColumnFamilyStore(dirtyCFId);
                    // can safely call forceFlush here as we will only ever block (briefly) for other attempts to flush,
                    // no deadlock possibility since switchLock removal
                    flushes.put(dirtyCFId, force ? cfs.forceFlush() : cfs.forceFlush(maxReplayPosition));
                }
            }
        }


        return Futures.allAsList(flushes.values());

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            {
                logger.warn("Schema does not exist for file {}. Skipping.", filename);
                continue;
            }
            // group by keyspace/columnfamily
            ColumnFamilyStore cfs = Keyspace.open(desc.ksname).getColumnFamilyStore(desc.cfname);
            descriptors.put(cfs, cfs.directories.find(filename.trim()));
        }


        List<Future<?>> futures = new ArrayList<>();
        for (ColumnFamilyStore cfs : descriptors.keySet())

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                throw new IllegalArgumentException(String.format("Unknown keyspace/columnFamily %s.%s",
                                                                 options.keyspace,
                                                                 options.cf));


            Keyspace keyspace = Keyspace.openWithoutSSTables(options.keyspace);
            ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(options.cf);


            OutputHandler handler = new OutputHandler.SystemOutput(false, options.debug);
            Directories.SSTableLister lister = cfs.directories.sstableLister();
            if (options.snapshot != null)
                lister.onlyBackups(true).snapshots(options.snapshot);

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                System.err.println("ColumnFamily not found: " + keyspaceName + "/" + columnfamily);
                System.exit(1);
            }


            Keyspace keyspace = Keyspace.openWithoutSSTables(keyspaceName);
            ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(columnfamily);
            boolean foundSSTable = false;
            for (Map.Entry<Descriptor, Set<Component>> sstable : cfs.directories.sstableLister().list().entrySet())
            {
                if (sstable.getValue().contains(Component.STATS))
                {

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    {
        logger.debug("reading file from {}, repairedAt = {}", session.peer, repairedAt);
        long totalSize = totalSize();


        Pair<String, String> kscf = Schema.instance.getCF(cfId);
        ColumnFamilyStore cfs = Keyspace.open(kscf.left).getColumnFamilyStore(kscf.right);


        SSTableWriter writer = createWriter(cfs, totalSize, repairedAt);
        DataInputStream dis = new DataInputStream(new LZFInputStream(Channels.newInputStream(channel)));
        BytesReadTracker in = new BytesReadTracker(dis);
        try

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