https://cassandra.apache.org: The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
  • Andres de la Peña
  • Avinash Lakshman
  • Aleksey Yeschenko
  • Aaron Morton
  • Ariel Weisberg
  • Blake Eggleston
  • Benedict Elliott Smith
  • Benjamin Lerer
  • Branimir Lambov
  • Brandon Williams
  • Carl Yeksigian
  • David Brosiusd
  • Dikang Gu
  • Eric Evans
  • Gary Dusbabek
  • Chris Goffinet
  • Alex Petrov
  • Laine Jaakko Olavi
  • T Jake Luciani
  • Jason Brown
  • Jonathan Ellis
  • Jake Farrell
  • Jeff Jirsa
  • Joel Knighton
  • Josh McKenzie
  • Johan Oskarsson
  • Jun Rao
  • Jay Zhuang
  • Sankalp Kohli
  • Marcus Eriksson
  • Michael Semb Wever
  • Mikhail Stepura
  • Michael Shuler
  • Paulo Motta
  • Prashant Malik
  • Robert Stupp
  • Peter Schuller
  • Sam Tunnicliffe
  • Sylvain Lebresne
  • Stefania Alborghetti
  • Tyler Hobbs
  • Vijay Parthasarathy
  • Pavel Yaskevich
  • Yuki Morishita
  • Nate McCall 
class org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel
  super_class: java.lang.Object
{
  private final java.util.Set<org.apache.cassandra.io.sstable.format.SSTableReader> sstables;
    descriptor: Ljava/util/Set;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Set<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;

  private final int approxExpectedLevels;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.util.Set<org.apache.cassandra.io.sstable.format.SSTableReader>);
    descriptor: (Ljava/util/Set;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel this
        start local 1 // java.util.Set sstables
         0: .line 142
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 144
            aload 0 /* this */
            aload 1 /* sstables */
            putfield org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel.sstables:Ljava/util/Set;
         2: .line 145
            aload 0 /* this */
            aload 1 /* sstables */
            invokeinterface java.util.Set.size:()I
            i2d
            invokestatic java.lang.Math.log10:(D)D
            invokestatic java.lang.Math.ceil:(D)D
            d2i
            putfield org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel.approxExpectedLevels:I
         3: .line 146
            return
        end local 1 // java.util.Set sstables
        end local 0 // org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lorg/apache/cassandra/tools/SSTableOfflineRelevel$Relevel;
            0    4     1  sstables  Ljava/util/Set<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;
    Signature: (Ljava/util/Set<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;)V
    MethodParameters:
          Name  Flags
      sstables  

  private void printLeveling(java.lang.Iterable<org.apache.cassandra.io.sstable.format.SSTableReader>);
    descriptor: (Ljava/lang/Iterable;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=6, args_size=2
        start local 0 // org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel this
        start local 1 // java.lang.Iterable sstables
         0: .line 150
            invokestatic com.google.common.collect.ArrayListMultimap.create:()Lcom/google/common/collect/ArrayListMultimap;
            astore 2 /* leveling */
        start local 2 // com.google.common.collect.Multimap leveling
         1: .line 151
            iconst_0
            istore 3 /* maxLevel */
        start local 3 // int maxLevel
         2: .line 152
            aload 1 /* sstables */
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 5
            goto 6
      StackMap locals: org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel java.lang.Iterable com.google.common.collect.Multimap int top java.util.Iterator
      StackMap stack:
         3: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.io.sstable.format.SSTableReader
            astore 4 /* sstable */
        start local 4 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
         4: .line 154
            aload 2 /* leveling */
            aload 4 /* sstable */
            invokevirtual org.apache.cassandra.io.sstable.format.SSTableReader.getSSTableLevel:()I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aload 4 /* sstable */
            invokeinterface com.google.common.collect.Multimap.put:(Ljava/lang/Object;Ljava/lang/Object;)Z
            pop
         5: .line 155
            aload 4 /* sstable */
            invokevirtual org.apache.cassandra.io.sstable.format.SSTableReader.getSSTableLevel:()I
            iload 3 /* maxLevel */
            invokestatic java.lang.Math.max:(II)I
            istore 3 /* maxLevel */
        end local 4 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
         6: .line 152
      StackMap locals:
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         7: .line 157
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc "Current leveling:"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         8: .line 158
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         9: goto 12
        10: .line 159
      StackMap locals: org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel java.lang.Iterable com.google.common.collect.Multimap int int
      StackMap stack:
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc "L%d=%d"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            iload 4 /* i */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aastore
            dup
            iconst_1
            aload 2 /* leveling */
            iload 4 /* i */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface com.google.common.collect.Multimap.get:(Ljava/lang/Object;)Ljava/util/Collection;
            invokeinterface java.util.Collection.size:()I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aastore
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        11: .line 158
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        12: iload 4 /* i */
            iload 3 /* maxLevel */
            if_icmple 10
        end local 4 // int i
        13: .line 160
            return
        end local 3 // int maxLevel
        end local 2 // com.google.common.collect.Multimap leveling
        end local 1 // java.lang.Iterable sstables
        end local 0 // org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   14     0      this  Lorg/apache/cassandra/tools/SSTableOfflineRelevel$Relevel;
            0   14     1  sstables  Ljava/lang/Iterable<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;
            1   14     2  leveling  Lcom/google/common/collect/Multimap<Ljava/lang/Integer;Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;
            2   14     3  maxLevel  I
            4    6     4   sstable  Lorg/apache/cassandra/io/sstable/format/SSTableReader;
            9   13     4         i  I
    Signature: (Ljava/lang/Iterable<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;)V
    MethodParameters:
          Name  Flags
      sstables  

  public void relevel(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=9, args_size=2
        start local 0 // org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel this
        start local 1 // boolean dryRun
         0: .line 164
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel.sstables:Ljava/util/Set;
            invokevirtual org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel.printLeveling:(Ljava/lang/Iterable;)V
         1: .line 165
            new java.util.ArrayList
            dup
            aload 0 /* this */
            getfield org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel.sstables:Ljava/util/Set;
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            astore 2 /* sortedSSTables */
        start local 2 // java.util.List sortedSSTables
         2: .line 166
            aload 2 /* sortedSSTables */
            new org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel$1
            dup
            aload 0 /* this */
            invokespecial org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel$1.<init>:(Lorg/apache/cassandra/tools/SSTableOfflineRelevel$Relevel;)V
            invokestatic java.util.Collections.sort:(Ljava/util/List;Ljava/util/Comparator;)V
         3: .line 175
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 3 /* levels */
        start local 3 // java.util.List levels
         4: .line 177
            goto 16
         5: .line 179
      StackMap locals: java.util.List java.util.List
      StackMap stack:
            aload 2 /* sortedSSTables */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 4 /* it */
        start local 4 // java.util.Iterator it
         6: .line 180
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 5 /* level */
        start local 5 // java.util.List level
         7: .line 181
            aconst_null
            astore 6 /* lastLast */
        start local 6 // org.apache.cassandra.db.DecoratedKey lastLast
         8: .line 182
            goto 14
         9: .line 184
      StackMap locals: java.util.Iterator java.util.List org.apache.cassandra.db.DecoratedKey
      StackMap stack:
            aload 4 /* it */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.io.sstable.format.SSTableReader
            astore 7 /* sstable */
        start local 7 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        10: .line 185
            aload 6 /* lastLast */
            ifnull 11
            aload 6 /* lastLast */
            aload 7 /* sstable */
            getfield org.apache.cassandra.io.sstable.format.SSTableReader.first:Lorg/apache/cassandra/db/DecoratedKey;
            invokevirtual org.apache.cassandra.db.DecoratedKey.compareTo:(Lorg/apache/cassandra/db/PartitionPosition;)I
            ifge 14
        11: .line 187
      StackMap locals: org.apache.cassandra.io.sstable.format.SSTableReader
      StackMap stack:
            aload 5 /* level */
            aload 7 /* sstable */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        12: .line 188
            aload 7 /* sstable */
            getfield org.apache.cassandra.io.sstable.format.SSTableReader.last:Lorg/apache/cassandra/db/DecoratedKey;
            astore 6 /* lastLast */
        13: .line 189
            aload 4 /* it */
            invokeinterface java.util.Iterator.remove:()V
        end local 7 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        14: .line 182
      StackMap locals:
      StackMap stack:
            aload 4 /* it */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 9
        15: .line 192
            aload 3 /* levels */
            aload 5 /* level */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 6 // org.apache.cassandra.db.DecoratedKey lastLast
        end local 5 // java.util.List level
        end local 4 // java.util.Iterator it
        16: .line 177
      StackMap locals:
      StackMap stack:
            aload 2 /* sortedSSTables */
            invokeinterface java.util.List.isEmpty:()Z
            ifeq 5
        17: .line 194
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 4 /* l0 */
        start local 4 // java.util.List l0
        18: .line 195
            aload 0 /* this */
            getfield org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel.approxExpectedLevels:I
            aload 3 /* levels */
            invokeinterface java.util.List.size:()I
            if_icmpge 25
        19: .line 197
            aload 0 /* this */
            getfield org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel.approxExpectedLevels:I
            istore 5 /* i */
        start local 5 // int i
        20: goto 23
        21: .line 198
      StackMap locals: java.util.List int
      StackMap stack:
            aload 4 /* l0 */
            aload 3 /* levels */
            iload 5 /* i */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast java.util.Collection
            invokeinterface java.util.List.addAll:(Ljava/util/Collection;)Z
            pop
        22: .line 197
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
        23: iload 5 /* i */
            aload 3 /* levels */
            invokeinterface java.util.List.size:()I
            if_icmplt 21
        end local 5 // int i
        24: .line 199
            aload 3 /* levels */
            iconst_0
            aload 0 /* this */
            getfield org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel.approxExpectedLevels:I
            invokeinterface java.util.List.subList:(II)Ljava/util/List;
            astore 3 /* levels */
        25: .line 201
      StackMap locals:
      StackMap stack:
            iload 1 /* dryRun */
            ifeq 27
        26: .line 202
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc "Potential leveling: "
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
            goto 28
        27: .line 204
      StackMap locals:
      StackMap stack:
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc "New leveling: "
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        28: .line 206
      StackMap locals:
      StackMap stack:
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "L0="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* l0 */
            invokeinterface java.util.List.size:()I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        29: .line 208
            aload 3 /* levels */
            invokeinterface java.util.List.size:()I
            iconst_1
            isub
            istore 5 /* i */
        start local 5 // int i
        30: goto 33
        31: .line 209
      StackMap locals: int
      StackMap stack:
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc "L%d=%d"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 3 /* levels */
            invokeinterface java.util.List.size:()I
            iload 5 /* i */
            isub
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aastore
            dup
            iconst_1
            aload 3 /* levels */
            iload 5 /* i */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast java.util.List
            invokeinterface java.util.List.size:()I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aastore
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        32: .line 208
            iinc 5 /* i */ -1
      StackMap locals:
      StackMap stack:
        33: iload 5 /* i */
            ifge 31
        end local 5 // int i
        34: .line 211
            iload 1 /* dryRun */
            ifne 50
        35: .line 213
            aload 4 /* l0 */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 6
            goto 39
      StackMap locals: org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel int java.util.List java.util.List java.util.List top java.util.Iterator
      StackMap stack:
        36: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.io.sstable.format.SSTableReader
            astore 5 /* sstable */
        start local 5 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        37: .line 215
            aload 5 /* sstable */
            invokevirtual org.apache.cassandra.io.sstable.format.SSTableReader.getSSTableLevel:()I
            ifeq 39
        38: .line 216
            aload 5 /* sstable */
            getfield org.apache.cassandra.io.sstable.format.SSTableReader.descriptor:Lorg/apache/cassandra/io/sstable/Descriptor;
            invokevirtual org.apache.cassandra.io.sstable.Descriptor.getMetadataSerializer:()Lorg/apache/cassandra/io/sstable/metadata/IMetadataSerializer;
            aload 5 /* sstable */
            getfield org.apache.cassandra.io.sstable.format.SSTableReader.descriptor:Lorg/apache/cassandra/io/sstable/Descriptor;
            iconst_0
            invokeinterface org.apache.cassandra.io.sstable.metadata.IMetadataSerializer.mutateLevel:(Lorg/apache/cassandra/io/sstable/Descriptor;I)V
        end local 5 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        39: .line 213
      StackMap locals:
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 36
        40: .line 218
            aload 3 /* levels */
            invokeinterface java.util.List.size:()I
            iconst_1
            isub
            istore 5 /* i */
        start local 5 // int i
        41: goto 49
        42: .line 220
      StackMap locals: org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel int java.util.List java.util.List java.util.List int
      StackMap stack:
            aload 3 /* levels */
            iload 5 /* i */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast java.util.List
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 7
            goto 47
      StackMap locals: org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel int java.util.List java.util.List java.util.List int top java.util.Iterator
      StackMap stack:
        43: aload 7
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.io.sstable.format.SSTableReader
            astore 6 /* sstable */
        start local 6 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        44: .line 222
            aload 3 /* levels */
            invokeinterface java.util.List.size:()I
            iload 5 /* i */
            isub
            istore 8 /* newLevel */
        start local 8 // int newLevel
        45: .line 223
            iload 8 /* newLevel */
            aload 6 /* sstable */
            invokevirtual org.apache.cassandra.io.sstable.format.SSTableReader.getSSTableLevel:()I
            if_icmpeq 47
        46: .line 224
            aload 6 /* sstable */
            getfield org.apache.cassandra.io.sstable.format.SSTableReader.descriptor:Lorg/apache/cassandra/io/sstable/Descriptor;
            invokevirtual org.apache.cassandra.io.sstable.Descriptor.getMetadataSerializer:()Lorg/apache/cassandra/io/sstable/metadata/IMetadataSerializer;
            aload 6 /* sstable */
            getfield org.apache.cassandra.io.sstable.format.SSTableReader.descriptor:Lorg/apache/cassandra/io/sstable/Descriptor;
            iload 8 /* newLevel */
            invokeinterface org.apache.cassandra.io.sstable.metadata.IMetadataSerializer.mutateLevel:(Lorg/apache/cassandra/io/sstable/Descriptor;I)V
        end local 8 // int newLevel
        end local 6 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        47: .line 220
      StackMap locals:
      StackMap stack:
            aload 7
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 43
        48: .line 218
            iinc 5 /* i */ -1
      StackMap locals: org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel int java.util.List java.util.List java.util.List int
      StackMap stack:
        49: iload 5 /* i */
            ifge 42
        end local 5 // int i
        50: .line 228
      StackMap locals:
      StackMap stack:
            return
        end local 4 // java.util.List l0
        end local 3 // java.util.List levels
        end local 2 // java.util.List sortedSSTables
        end local 1 // boolean dryRun
        end local 0 // org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   51     0            this  Lorg/apache/cassandra/tools/SSTableOfflineRelevel$Relevel;
            0   51     1          dryRun  Z
            2   51     2  sortedSSTables  Ljava/util/List<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;
            4   51     3          levels  Ljava/util/List<Ljava/util/List<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;>;
            6   16     4              it  Ljava/util/Iterator<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;
            7   16     5           level  Ljava/util/List<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;
            8   16     6        lastLast  Lorg/apache/cassandra/db/DecoratedKey;
           10   14     7         sstable  Lorg/apache/cassandra/io/sstable/format/SSTableReader;
           18   51     4              l0  Ljava/util/List<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;
           20   24     5               i  I
           30   34     5               i  I
           37   39     5         sstable  Lorg/apache/cassandra/io/sstable/format/SSTableReader;
           41   50     5               i  I
           44   47     6         sstable  Lorg/apache/cassandra/io/sstable/format/SSTableReader;
           45   47     8        newLevel  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      dryRun  
}
SourceFile: "SSTableOfflineRelevel.java"
NestHost: org.apache.cassandra.tools.SSTableOfflineRelevel
InnerClasses:
  private Relevel = org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel of org.apache.cassandra.tools.SSTableOfflineRelevel
  org.apache.cassandra.tools.SSTableOfflineRelevel$Relevel$1