Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ColumnFamilyStore.forceBlockingFlush()

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        for (int i = 0; i < 10; i++)
        {
            rm.add(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(i))), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        }
        rm.apply();
        cfs.forceBlockingFlush();

        // deletes
        for (int i = 0; i < 10; i++)
        {
            rm = new RowMutation(TABLE1, key.key);
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        {
            rm = new RowMutation(TABLE1, key.key);
            rm.delete(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(i))), 1);
            rm.apply();
        }
        cfs.forceBlockingFlush();

        // resurrect one column
        rm = new RowMutation(TABLE1, key.key);
        rm.add(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(5))), ByteBufferUtil.EMPTY_BYTE_BUFFER, 2);
        rm.apply();
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        // resurrect one column
        rm = new RowMutation(TABLE1, key.key);
        rm.add(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(5))), ByteBufferUtil.EMPTY_BYTE_BUFFER, 2);
        rm.apply();
        cfs.forceBlockingFlush();

        // major compact and test that all columns but the resurrected one is completely gone
        CompactionManager.instance.submitMaximal(cfs, Integer.MAX_VALUE).get();
        cfs.invalidateCachedRow(key);
        ColumnFamily cf = cfs.getColumnFamily(QueryFilter.getIdentityFilter(key, new QueryPath(cfName)));
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            for (int i = 0; i < 10; i++)
            {
                rm.add(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(i))), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
            }
            rm.apply();
            cfs.forceBlockingFlush();

            // deletes
            for (int i = 0; i < 10; i++)
            {
                rm = new RowMutation(TABLE2, key.key);
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            {
                rm = new RowMutation(TABLE2, key.key);
                rm.delete(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(i))), 1);
                rm.apply();
            }
            cfs.forceBlockingFlush();
        }

        DecoratedKey key1 = Util.dk("key1");
        DecoratedKey key2 = Util.dk("key2");
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        DecoratedKey key1 = Util.dk("key1");
        DecoratedKey key2 = Util.dk("key2");

        // flush, remember the current sstable and then resurrect one column
        // for first key. Then submit minor compaction on remembered sstables.
        cfs.forceBlockingFlush();
        Collection<SSTableReader> sstablesIncomplete = cfs.getSSTables();
        rm = new RowMutation(TABLE2, key1.key);
        rm.add(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(5))), ByteBufferUtil.EMPTY_BYTE_BUFFER, 2);
        rm.apply();
        cfs.forceBlockingFlush();
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        cfs.forceBlockingFlush();
        Collection<SSTableReader> sstablesIncomplete = cfs.getSSTables();
        rm = new RowMutation(TABLE2, key1.key);
        rm.add(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(5))), ByteBufferUtil.EMPTY_BYTE_BUFFER, 2);
        rm.apply();
        cfs.forceBlockingFlush();
        new CompactionTask(cfs, sstablesIncomplete, Integer.MAX_VALUE).execute(null);

        // verify that minor compaction does not GC when key is present
        // in a non-compacted sstable
        ColumnFamily cf = cfs.getColumnFamily(QueryFilter.getIdentityFilter(key1, new QueryPath(cfName)));
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        {
            rm = new RowMutation(TABLE1, key.key);
            rm.delete(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(i))), 1);
            rm.apply();
        }
        cfs.forceBlockingFlush();
        assert cfs.getSSTables().size() == 1 : cfs.getSSTables(); // inserts & deletes were in the same memtable -> only deletes in sstable

        // compact and test that the row is completely gone
        Util.compactAll(cfs).get();
        assert cfs.getSSTables().isEmpty();
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        rm = new RowMutation(tableName, key.key);
        rm.delete(new QueryPath(cfName, null, null), 1);
        rm.apply();

        // flush and major compact
        cfs.forceBlockingFlush();
        Util.compactAll(cfs).get();

        // re-inserts with timestamp lower than delete
        rm = new RowMutation(tableName, key.key);
        for (int i = 0; i < 10; i++)
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        rm = new RowMutation(tableName, key.key);
        rm.delete(new QueryPath(cfName, null, null), 4);
        rm.apply();

        // flush and major compact (with tombstone purging)
        cfs.forceBlockingFlush();
        Util.compactAll(cfs).get();

        // re-inserts with timestamp lower than delete
        rm = new RowMutation(tableName, key.key);
        for (int i = 0; i < 5; i++)
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