Package org.apache.cassandra.utils

Examples of org.apache.cassandra.utils.EstimatedHistogram

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    }

    static EstimatedHistogram defaultRowSizeHistogram()
    {
        // EH of 150 can track a max value of 1697806495183, i.e., > 1.5PB
        return new EstimatedHistogram(150);
    }
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            }
        }

        public SSTableMetadata deserialize(DataInputStream dis, Descriptor desc) throws IOException
        {
            EstimatedHistogram rowSizes = EstimatedHistogram.serializer.deserialize(dis);
            EstimatedHistogram columnCounts = EstimatedHistogram.serializer.deserialize(dis);
            ReplayPosition replayPosition = desc.version.metadataIncludesReplayPosition
                                          ? ReplayPosition.serializer.deserialize(dis)
                                          : ReplayPosition.NONE;
            if (!desc.version.metadataIncludesModernReplayPosition)
            {
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    private void printCfHistograms(String keySpace, String columnFamily, PrintStream output)
    {
        ColumnFamilyStoreMBean store = this.probe.getCfsProxy(keySpace, columnFamily);

        // default is 90 offsets
        long[] offsets = new EstimatedHistogram().getBucketOffsets();

        long[] rrlh = store.getRecentReadLatencyHistogramMicros();
        long[] rwlh = store.getRecentWriteLatencyHistogramMicros();
        long[] sprh = store.getRecentSSTablesPerReadHistogram();
        long[] ersh = store.getEstimatedRowSizeHistogram();
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    }

    private void printProxyHistograms(PrintStream output)
    {
        StorageProxyMBean sp = this.probe.getSpProxy();
        long[] offsets = new EstimatedHistogram().getBucketOffsets();
        long[] rrlh = sp.getRecentReadLatencyHistogramMicros();
        long[] rwlh = sp.getRecentWriteLatencyHistogramMicros();
        long[] rrnglh = sp.getRecentRangeLatencyHistogramMicros();

        output.println("proxy histograms");
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    }

    static EstimatedHistogram defaultColumnCountHistogram()
    {
        // EH of 114 can track a max value of 2395318855, i.e., > 2B columns
        return new EstimatedHistogram(114);
    }
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    }

    static EstimatedHistogram defaultRowSizeHistogram()
    {
        // EH of 150 can track a max value of 1697806495183, i.e., > 1.5PB
        return new EstimatedHistogram(150);
    }
View Full Code Here
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            }
        }

        public SSTableMetadata deserialize(DataInputStream dis, Descriptor desc) throws IOException
        {
            EstimatedHistogram rowSizes = EstimatedHistogram.serializer.deserialize(dis);
            EstimatedHistogram columnCounts = EstimatedHistogram.serializer.deserialize(dis);
            ReplayPosition replayPosition = desc.version.metadataIncludesReplayPosition
                                          ? ReplayPosition.serializer.deserialize(dis)
                                          : ReplayPosition.NONE;
            if (!desc.version.metadataIncludesModernReplayPosition)
            {
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    private void printCfHistograms(String keySpace, String columnFamily, PrintStream output)
    {
        ColumnFamilyStoreMBean store = this.probe.getCfsProxy(keySpace, columnFamily);

        // default is 90 offsets
        long[] offsets = new EstimatedHistogram().getBucketOffsets();

        long[] rrlh = store.getRecentReadLatencyHistogramMicros();
        long[] rwlh = store.getRecentWriteLatencyHistogramMicros();
        long[] sprh = store.getRecentSSTablesPerReadHistogram();
        long[] ersh = store.getEstimatedRowSizeHistogram();
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    }

    private void printProxyHistograms(PrintStream output)
    {
        StorageProxyMBean sp = this.probe.getSpProxy();
        long[] offsets = new EstimatedHistogram().getBucketOffsets();
        long[] rrlh = sp.getRecentReadLatencyHistogramMicros();
        long[] rwlh = sp.getRecentWriteLatencyHistogramMicros();
        long[] rrnglh = sp.getRecentRangeLatencyHistogramMicros();

        output.println("proxy histograms");
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    private void printCfHistograms(String keySpace, String columnFamily, PrintStream output)
    {
        ColumnFamilyStoreMBean store = this.probe.getCfsProxy(keySpace, columnFamily);

        // default is 90 offsets
        long[] offsets = new EstimatedHistogram().getBucketOffsets();

        long[] rrlh = store.getRecentReadLatencyHistogramMicros();
        long[] rwlh = store.getRecentWriteLatencyHistogramMicros();
        long[] sprh = store.getRecentSSTablesPerReadHistogram();
        long[] ersh = store.getEstimatedRowSizeHistogram();
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Related Classes of org.apache.cassandra.utils.EstimatedHistogram

  • com.netflix.priam.resources.CassandraAdmin
  • org.apache.cassandra.io.sstable.metadata.LegacyMetadataSerializer
  • org.apache.cassandra.io.sstable.metadata.MetadataCollector
  • org.apache.cassandra.io.sstable.metadata.MetadataSerializerTest
  • org.apache.cassandra.io.sstable.metadata.StatsMetadata$StatsMetadataSerializer
  • org.apache.cassandra.io.sstable.SSTable
  • org.apache.cassandra.io.sstable.SSTableMetadata
  • org.apache.cassandra.io.sstable.SSTableMetadata$SSTableMetadataSerializer
  • org.apache.cassandra.io.sstable.SSTableMetadataSerializerTest
  • org.apache.cassandra.io.sstable.SSTableReader
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