Not sure if this is indicative of anything, but I thought I should post these results just in case...
I tried running the hadoop pi example, and after it gets all the way through the job, it fails with "java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result."
brisk hadoop jar local/brisk/resources/hadoop/hadoop-examples-0.20.203.1-20110602.220139-6.jar pi 18 10000
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/home/cassandra/local/brisk-0.0.1-mrgeo2/resources/cassandra/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/cassandra/local/brisk-0.0.1-mrgeo2/resources/hadoop/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
Number of Maps = 18
Samples per Map = 10000
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/home/cassandra/local/brisk-0.0.1-mrgeo2/resources/hadoop/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/cassandra/local/brisk-0.0.1-mrgeo2/resources/cassandra/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
11/06/11 00:13:55 INFO config.DatabaseDescriptor: Loading settings from file:/home/cassandra/local/brisk-0.0.1-mrgeo2/resources/cassandra/conf/cassandra.yaml
11/06/11 00:13:55 INFO config.DatabaseDescriptor: DiskAccessMode 'auto' determined to be mmap, indexAccessMode is mmap
11/06/11 00:13:56 INFO fs.CassandraFileSystemThriftStore: Using storage:cfs
Wrote input for Map #0
Wrote input for Map #1
Wrote input for Map #2
Wrote input for Map #3
Wrote input for Map #4
Wrote input for Map #5
Wrote input for Map #6
Wrote input for Map #7
Wrote input for Map #8
Wrote input for Map #9
Wrote input for Map #10
Wrote input for Map #11
Wrote input for Map #12
Wrote input for Map #13
Wrote input for Map #14
Wrote input for Map #15
Wrote input for Map #16
Wrote input for Map #17
Starting Job
11/06/11 00:13:56 INFO fs.CassandraFileSystemThriftStore: Using storage:cfs
11/06/11 00:13:56 INFO mapred.FileInputFormat: Total input paths to process : 18
11/06/11 00:13:57 INFO mapred.JobClient: Running job: job_201106101750_0001
11/06/11 00:13:58 INFO mapred.JobClient: map 0% reduce 0%
11/06/11 00:14:08 INFO mapred.JobClient: map 11% reduce 0%
11/06/11 00:14:12 INFO mapred.JobClient: map 55% reduce 0%
d11/06/11 00:14:13 INFO mapred.JobClient: map 77% reduce 0%
11/06/11 00:14:15 INFO mapred.JobClient: map 100% reduce 0%
11/06/11 00:14:17 INFO mapred.JobClient: map 100% reduce 7%
11/06/11 00:15:11 INFO mapred.JobClient: map 100% reduce 100%
11/06/11 00:15:13 INFO mapred.JobClient: Job complete: job_201106101750_0001
11/06/11 00:15:13 INFO mapred.JobClient: Counters: 27
11/06/11 00:15:13 INFO mapred.JobClient: Job Counters
11/06/11 00:15:13 INFO mapred.JobClient: Launched reduce tasks=1
11/06/11 00:15:13 INFO mapred.JobClient: SLOTS_MILLIS_MAPS=43305
11/06/11 00:15:13 INFO mapred.JobClient: Total time spent by all reduces waiting after reserving slots (ms)=0
11/06/11 00:15:13 INFO mapred.JobClient: Total time spent by all maps waiting after reserving slots (ms)=0
11/06/11 00:15:13 INFO mapred.JobClient: Rack-local map tasks=1
11/06/11 00:15:13 INFO mapred.JobClient: Launched map tasks=18
11/06/11 00:15:13 INFO mapred.JobClient: Data-local map tasks=17
11/06/11 00:15:13 INFO mapred.JobClient: SLOTS_MILLIS_REDUCES=60999
11/06/11 00:15:13 INFO mapred.JobClient: File Input Format Counters
11/06/11 00:15:13 INFO mapred.JobClient: Bytes Read=2124
11/06/11 00:15:13 INFO mapred.JobClient: File Output Format Counters
11/06/11 00:15:13 INFO mapred.JobClient: Bytes Written=97
11/06/11 00:15:13 INFO mapred.JobClient: FileSystemCounters
11/06/11 00:15:13 INFO mapred.JobClient: FILE_BYTES_READ=147
11/06/11 00:15:13 INFO mapred.JobClient: FILE_BYTES_WRITTEN=339618
11/06/11 00:15:13 INFO mapred.JobClient: CFS_BYTES_READ=4202
11/06/11 00:15:13 INFO mapred.JobClient: CFS_BYTES_WRITTEN=215
11/06/11 00:15:13 INFO mapred.JobClient: Map-Reduce Framework
11/06/11 00:15:13 INFO mapred.JobClient: Map output materialized bytes=648
11/06/11 00:15:13 INFO mapred.JobClient: Map input records=18
11/06/11 00:15:13 INFO mapred.JobClient: Reduce shuffle bytes=612
11/06/11 00:15:13 INFO mapred.JobClient: Spilled Records=72
11/06/11 00:15:13 INFO mapred.JobClient: Map output bytes=324
11/06/11 00:15:13 INFO mapred.JobClient: Map input bytes=432
11/06/11 00:15:13 INFO mapred.JobClient: Combine input records=0
11/06/11 00:15:13 INFO mapred.JobClient: SPLIT_RAW_BYTES=2078
11/06/11 00:15:13 INFO mapred.JobClient: Reduce input records=36
11/06/11 00:15:13 INFO mapred.JobClient: Reduce input groups=36
11/06/11 00:15:13 INFO mapred.JobClient: Combine output records=0
11/06/11 00:15:13 INFO mapred.JobClient: Reduce output records=0
11/06/11 00:15:13 INFO mapred.JobClient: Map output records=36
Job Finished in 76.984 seconds
java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.
at java.math.BigDecimal.divide(BigDecimal.java:1603)
at org.apache.hadoop.examples.PiEstimator.estimate(PiEstimator.java:313)
at org.apache.hadoop.examples.PiEstimator.run(PiEstimator.java:342)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.examples.PiEstimator.main(PiEstimator.java:351)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:156)