Looking in C* code for the MBean

alain$ grep -RiI CompactionThroughput .
./test/unit/org/apache/cassandra/cql3/validation/miscellaneous/CrcCheckChanceTest.java:        DatabaseDescriptor.setCompactionThroughputMbPerSec(1);
./debian/nodetool-completion:            getcompactionthroughput
./debian/nodetool-completion:            setcompactionthroughput
./CHANGES.txt: * expose compactionThroughputMbPerSec through JMX (CASSANDRA-3117)
./CHANGES.txt: * fix nodetool setcompactionthroughput (CASSANDRA-2550)
./src/java/org/apache/cassandra/tools/nodetool/SetCompactionThroughput.java:@Command(name = "setcompactionthroughput", description = "Set the MB/s throughput cap for compaction in the system, or 0 to disable throttling")
./src/java/org/apache/cassandra/tools/nodetool/SetCompactionThroughput.java:public class SetCompactionThroughput extends NodeToolCmd
./src/java/org/apache/cassandra/tools/nodetool/SetCompactionThroughput.java:    private Integer compactionThroughput = null;
./src/java/org/apache/cassandra/tools/nodetool/SetCompactionThroughput.java:        probe.setCompactionThroughput(compactionThroughput);
./src/java/org/apache/cassandra/tools/nodetool/CompactionStats.java:            int compactionThroughput = probe.getCompactionThroughput();
./src/java/org/apache/cassandra/tools/nodetool/CompactionStats.java:            if (compactionThroughput != 0)
./src/java/org/apache/cassandra/tools/nodetool/CompactionStats.java:                long remainingTimeInSecs = remainingBytes / (1024L * 1024L * compactionThroughput);
./src/java/org/apache/cassandra/tools/nodetool/GetCompactionThroughput.java:@Command(name = "getcompactionthroughput", description = "Print the MB/s throughput cap for compaction in the system")
./src/java/org/apache/cassandra/tools/nodetool/GetCompactionThroughput.java:public class GetCompactionThroughput extends NodeToolCmd
./src/java/org/apache/cassandra/tools/nodetool/GetCompactionThroughput.java:        System.out.println("Current compaction throughput: " + probe.getCompactionThroughput() + " MB/s");
./src/java/org/apache/cassandra/tools/NodeTool.java:                GetCompactionThroughput.class,
./src/java/org/apache/cassandra/tools/NodeTool.java:                SetCompactionThroughput.class,
./src/java/org/apache/cassandra/tools/NodeProbe.java:    public void setCompactionThroughput(int value)
./src/java/org/apache/cassandra/tools/NodeProbe.java:        ssProxy.setCompactionThroughputMbPerSec(value);
./src/java/org/apache/cassandra/tools/NodeProbe.java:    public int getCompactionThroughput()
./src/java/org/apache/cassandra/tools/NodeProbe.java:        return ssProxy.getCompactionThroughputMbPerSec();
./src/java/org/apache/cassandra/config/DatabaseDescriptor.java:    public static int getCompactionThroughputMbPerSec()
./src/java/org/apache/cassandra/config/DatabaseDescriptor.java:    public static void setCompactionThroughputMbPerSec(int value)
./src/java/org/apache/cassandra/db/compaction/CompactionManager.java:        setRate(DatabaseDescriptor.getCompactionThroughputMbPerSec());
./src/java/org/apache/cassandra/service/StorageServiceMBean.java:    public int getCompactionThroughputMbPerSec();
./src/java/org/apache/cassandra/service/StorageServiceMBean.java:    public void setCompactionThroughputMbPerSec(int value);
./src/java/org/apache/cassandra/service/StorageService.java:    public int getCompactionThroughputMbPerSec()
./src/java/org/apache/cassandra/service/StorageService.java:        return DatabaseDescriptor.getCompactionThroughputMbPerSec();
./src/java/org/apache/cassandra/service/StorageService.java:    public void setCompactionThroughputMbPerSec(int value)
./src/java/org/apache/cassandra/service/StorageService.java:        DatabaseDescriptor.setCompactionThroughputMbPerSec(value);