Package org.apache.cassandra.io.sstable

Examples of org.apache.cassandra.io.sstable.SSTableReader$Operator$Equals

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        // write a temporary SSTable, but don't register it
        Set<String> content = new HashSet<String>();
        content.add("transfer1");
        content.add("transfer2");
        content.add("transfer3");
        SSTableReader sstable = SSTableUtils.prepare().write(content);
        String tablename = sstable.getTableName();
        String cfname = sstable.getColumnFamilyName();

        Set<String> content2 = new HashSet<String>();
        content2.add("test");
        content2.add("test2");
        content2.add("test3");
        SSTableReader sstable2 = SSTableUtils.prepare().write(content2);

        // transfer the first and last key
        IPartitioner p = StorageService.getPartitioner();
        List<Range> ranges = new ArrayList<Range>();
        ranges.add(new Range(p.getMinimumToken(), p.getToken(ByteBufferUtil.bytes("transfer1"))));
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        SSTableWriter writer = cfs.createFlushWriter(columnFamilies.size(), estimatedSize);

        for (Map.Entry<DecoratedKey, ColumnFamily> entry : columnFamilies.entrySet())
            writer.append(entry.getKey(), entry.getValue());

        SSTableReader ssTable = writer.closeAndOpenReader();
        logger.info(String.format("Completed flushing %s (%d bytes)",
                                  ssTable.getFilename(), new File(ssTable.getFilename()).length()));
        return ssTable;
    }
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                    // last sstable has highest timestamps
                    cols[i] = Util.column(String.valueOf(i), String.valueOf(i), k);
                }
                rows.put(key, SSTableUtils.createCF(Long.MIN_VALUE, Integer.MIN_VALUE, cols));
            }
            SSTableReader sstable = SSTableUtils.prepare().write(rows);
            sstables.add(sstable);
            store.addSSTable(sstable);
        }

        // give garbage collection a bit of time to catch up
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            Collection<SSTableReader> sstables = manifest.getCompactionCandidates();
            OperationType op = OperationType.COMPACTION;
            if (sstables.isEmpty())
            {
                // if there is no sstable to compact in standard way, try compacting based on droppable tombstone ratio
                SSTableReader sstable = findDroppableSSTable(gcBefore);
                if (sstable == null)
                {
                    logger.debug("No compaction necessary for {}", this);
                    return null;
                }
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        for (int i = 1; i <= 3; i++)
            mutator.mutate("key" + i, "col" + i, timestamp);
        cfs.forceBlockingFlush();
        Util.compactAll(cfs).get();
        assertEquals(1, cfs.getSSTables().size());
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        cfs.clearUnsafe();

        // transfer the first and last key
        logger.debug("Transferring " + cfs.columnFamily);
        transfer(table, sstable);
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        cf.delete(new DeletionInfo(ByteBufferUtil.bytes(2), ByteBufferUtil.bytes(3), cf.getComparator(), 1, (int) (System.currentTimeMillis() / 1000)));
        cf.delete(new DeletionInfo(ByteBufferUtil.bytes(5), ByteBufferUtil.bytes(7), cf.getComparator(), 1, (int) (System.currentTimeMillis() / 1000)));
        rm.apply();
        cfs.forceBlockingFlush();

        SSTableReader sstable = cfs.getSSTables().iterator().next();
        cfs.clearUnsafe();
        transfer(table, sstable);

        // confirm that a single SSTable was transferred and registered
        assertEquals(1, cfs.getSSTables().size());
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            }
        });

        // filter pre-cleaned entries locally, and ensure that the end result is equal
        cleanedEntries.keySet().retainAll(keys);
        SSTableReader cleaned = SSTableUtils.prepare()
            .ks(table.name)
            .cf(cfs.columnFamily)
            .generation(0)
            .write(cleanedEntries);
        SSTableReader streamed = cfs.getSSTables().iterator().next();
        SSTableUtils.assertContentEquals(cleaned, streamed);

        // Retransfer the file, making sure it is now idempotent (see CASSANDRA-3481)
        cfs.clearUnsafe();
        transfer(table, streamed);
        SSTableReader restreamed = cfs.getSSTables().iterator().next();
        SSTableUtils.assertContentEquals(streamed, restreamed);
    }
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        // write temporary SSTables, but don't register them
        Set<String> content = new HashSet<String>();
        content.add("test");
        content.add("test2");
        content.add("test3");
        SSTableReader sstable = SSTableUtils.prepare().write(content);
        String tablename = sstable.getTableName();
        String cfname = sstable.getColumnFamilyName();

        content = new HashSet<String>();
        content.add("transfer1");
        content.add("transfer2");
        content.add("transfer3");
        SSTableReader sstable2 = SSTableUtils.prepare().write(content);

        // transfer the first and last key
        IPartitioner p = StorageService.getPartitioner();
        List<Range<Token>> ranges = new ArrayList<Range<Token>>();
        ranges.add(new Range<Token>(p.getMinimumToken(), p.getToken(ByteBufferUtil.bytes("test"))));
        ranges.add(new Range<Token>(p.getToken(ByteBufferUtil.bytes("transfer2")), p.getMinimumToken()));
        // Acquiring references, transferSSTables needs it
        sstable.acquireReference();
        sstable2.acquireReference();
        StreamOutSession session = StreamOutSession.create(tablename, LOCAL, (IStreamCallback) null);
        StreamOut.transferSSTables(session, Arrays.asList(sstable, sstable2), ranges, OperationType.BOOTSTRAP);
        session.await();

        // confirm that the sstables were transferred and registered and that 2 keys arrived
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                        }
                    }
                }
                if (!nni.hasNext() || newSSTableSegmentThresholdReached(writer, position))
                {
                    SSTableReader toIndex = writer.closeAndOpenReader(getMaxDataAge(toCompact));
                    cachedKeyMap.put(toIndex, cachedKeys);
                    sstables.add(toIndex);
                    if (nni.hasNext())
                    {
                        writer = cfs.createCompactionWriter(keysPerSSTable, compactionFileLocation, toCompact);
                        writers.add(writer);
                        cachedKeys = new HashMap<DecoratedKey, Long>();
                    }
                }
            }
        }
        catch (Exception e)
        {
            for (SSTableWriter writer : writers)
                writer.abort();
            throw FBUtilities.unchecked(e);
        }
        finally
        {
            iter.close();
            if (collector != null)
                collector.finishCompaction(ci);
        }

        cfs.replaceCompactedSSTables(toCompact, sstables, compactionType);
        // TODO: this doesn't belong here, it should be part of the reader to load when the tracker is wired up
        for (Map.Entry<SSTableReader, Map<DecoratedKey, Long>> ssTableReaderMapEntry : cachedKeyMap.entrySet())
        {
            SSTableReader key = ssTableReaderMapEntry.getKey();
            for (Map.Entry<DecoratedKey, Long> entry : ssTableReaderMapEntry.getValue().entrySet())
               key.cacheKey(entry.getKey(), entry.getValue());
        }

        long dTime = System.currentTimeMillis() - startTime;
        long startsize = SSTable.getTotalBytes(toCompact);
        long endsize = SSTable.getTotalBytes(sstables);
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        serialize();
    }

    public synchronized void repairOverlappingSSTables(int level)
    {
        SSTableReader previous = null;
        Collections.sort(generations[level], SSTable.sstableComparator);
        List<SSTableReader> outOfOrderSSTables = new ArrayList<SSTableReader>();
        for (SSTableReader current : generations[level])
        {
            if (previous != null && current.first.compareTo(previous.last) <= 0)
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