Package org.apache.cassandra.io.sstable.format

Examples of org.apache.cassandra.io.sstable.format.SSTableReader

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        StatsMetadata sstableMetadata = p.right;

        // finalize in-memory state for the reader
        SegmentedFile ifile = iwriter.builder.complete(newdesc.filenameFor(Component.PRIMARY_INDEX));
        SegmentedFile dfile = dbuilder.complete(newdesc.filenameFor(Component.DATA));
        SSTableReader sstable = SSTableReader.internalOpen(newdesc,
                                                           components,
                                                           metadata,
                                                           partitioner,
                                                           ifile,
                                                           dfile,
                                                           iwriter.summary.build(partitioner),
                                                           iwriter.bf,
                                                           maxDataAge,
                                                           sstableMetadata,
                                                           SSTableReader.OpenReason.NORMAL);
        sstable.first = getMinimalKey(first);
        sstable.last = getMinimalKey(last);
        // try to save the summaries to disk
        sstable.saveSummary(iwriter.builder, dbuilder);
        iwriter = null;
        dbuilder = null;
        return sstable;
    }
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        ColumnFamily cf = rm.addOrGet(CFNAME);
        long timestamp = System.currentTimeMillis();
        cf.delete(new DeletionInfo(1000, (int)(timestamp/1000)));
        rm.apply();
        cfs.forceBlockingFlush();
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        assertTimes(sstable.getSSTableMetadata(), 1000, 1000, (int)(timestamp/1000));
        cfs.forceMajorCompaction();
        sstable = cfs.getSSTables().iterator().next();
        assertTimes(sstable.getSSTableMetadata(), 1000, 1000, (int)(timestamp/1000));
    }
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        ColumnFamily cf = rm.addOrGet(CFNAME);
        int timestamp = (int)(System.currentTimeMillis()/1000);
        cf.delete(new DeletionInfo(1000, timestamp));
        rm.apply();
        cfs.forceBlockingFlush();
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        assertTimes(sstable.getSSTableMetadata(), 999, 1000, Integer.MAX_VALUE);
        cfs.forceMajorCompaction();
        sstable = cfs.getSSTables().iterator().next();
        assertTimes(sstable.getSSTableMetadata(), 999, 1000, Integer.MAX_VALUE);
    }
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        ColumnFamily cf = rm.addOrGet(CFNAME);
        long timestamp = System.currentTimeMillis();
        cf.delete(new DeletionInfo(b(1), b(2), cfs.getComparator(), 1000, (int)(timestamp/1000)));
        rm.apply();
        cfs.forceBlockingFlush();
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        assertTimes(sstable.getSSTableMetadata(), 1000, 1000, (int)(timestamp/1000));
        cfs.forceMajorCompaction();
        sstable = cfs.getSSTables().iterator().next();
        assertTimes(sstable.getSSTableMetadata(), 1000, 1000, (int)(timestamp/1000));
    }
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        ColumnFamily cf = rm.addOrGet(CFNAME);
        int timestamp = (int)(System.currentTimeMillis()/1000);
        cf.delete(new DeletionInfo(b(1), b(2), cfs.getComparator(), 1000, timestamp));
        rm.apply();
        cfs.forceBlockingFlush();
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        assertTimes(sstable.getSSTableMetadata(), 999, 1000, Integer.MAX_VALUE);
        cfs.forceMajorCompaction();
        sstable = cfs.getSSTables().iterator().next();
        assertTimes(sstable.getSSTableMetadata(), 999, 1000, Integer.MAX_VALUE);
    }
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        // compact down to single sstable
        CompactionManager.instance.performMaximal(cfs);
        assertEquals(1, cfs.getSSTables().size());

        // test the physical structure of the sstable i.e. rt & columns on disk
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        OnDiskAtomIterator iter = sstable.getScanner().next();
        int cnt = 0;
        // after compaction, the first element should be an RT followed by the remaining non-deleted columns
        while(iter.hasNext())
        {
            OnDiskAtom atom = iter.next();
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        String jsonUrl = resourcePath("SimpleCF.json");
        File tempSS = tempSSTableFile(KEYSPACE1, "Standard1");
        new SSTableImport(true).importJson(jsonUrl, KEYSPACE1, "Standard1", tempSS.getPath());

        // Verify results
        SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
        QueryFilter qf = QueryFilter.getIdentityFilter(Util.dk("rowA"), "Standard1", System.currentTimeMillis());
        OnDiskAtomIterator iter = qf.getSSTableColumnIterator(reader);
        ColumnFamily cf = cloneForAdditions(iter);
        while (iter.hasNext()) cf.addAtom(iter.next());
        assert cf.getColumn(Util.cellname("colAA")).value().equals(hexToBytes("76616c4141"));
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        String jsonUrl = resourcePath("UnsortedCF.json");
        File tempSS = tempSSTableFile(KEYSPACE1, "Standard1");

        new SSTableImport().importJson(jsonUrl, KEYSPACE1, "Standard1", tempSS.getPath());

        SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
        QueryFilter qf = QueryFilter.getIdentityFilter(Util.dk("rowA"), "Standard1", System.currentTimeMillis());
        OnDiskAtomIterator iter = qf.getSSTableColumnIterator(reader);
        ColumnFamily cf = cloneForAdditions(iter);
        while (iter.hasNext())
            cf.addAtom(iter.next());
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        String jsonUrl = resourcePath("SimpleCFWithDeletionInfo.json");
        File tempSS = tempSSTableFile(KEYSPACE1, "Standard1");
        new SSTableImport(true).importJson(jsonUrl, KEYSPACE1, "Standard1", tempSS.getPath());

        // Verify results
        SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
        QueryFilter qf = QueryFilter.getIdentityFilter(Util.dk("rowA"), "Standard1", System.currentTimeMillis());
        OnDiskAtomIterator iter = qf.getSSTableColumnIterator(reader);
        ColumnFamily cf = cloneForAdditions(iter);
        assertEquals(cf.deletionInfo(), new DeletionInfo(0, 0));
        while (iter.hasNext())
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        String jsonUrl = resourcePath("CounterCF.json");
        File tempSS = tempSSTableFile(KEYSPACE1, "Counter1");
        new SSTableImport(true).importJson(jsonUrl, KEYSPACE1, "Counter1", tempSS.getPath());

        // Verify results
        SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
        QueryFilter qf = QueryFilter.getIdentityFilter(Util.dk("rowA"), "Counter1", System.currentTimeMillis());
        OnDiskAtomIterator iter = qf.getSSTableColumnIterator(reader);
        ColumnFamily cf = cloneForAdditions(iter);
        while (iter.hasNext()) cf.addAtom(iter.next());
        Cell c = cf.getColumn(Util.cellname("colAA"));
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Related Classes of org.apache.cassandra.io.sstable.format.SSTableReader

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  • org.apache.cassandra.cache.KeyCacheKey
  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.ColumnFamilyStoreTest
  • org.apache.cassandra.db.compaction.AntiCompactionTest
  • org.apache.cassandra.db.compaction.CompactionController
  • org.apache.cassandra.db.compaction.CompactionManager
  • org.apache.cassandra.db.compaction.CompactionsTest
  • org.apache.cassandra.db.compaction.LeveledCompactionStrategy
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