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The following page has been changed by udanax:
http://wiki.apache.org/lucene-hadoop/DataProcessingBenchmarks

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  == Data Processing Benchmarks ==
+ 
+ === Group/Sort Processing Benchmarks ===
  
  SQL > select ipaddress, count(*) from access_log group by ipaddress order by count(*) desc limit 0,100;
  [[BR]]''σ ,,count. ipaddress,, (τ ,,count,, (γ ,,count(ipaddress). ipaddress,, (access_log)))''
  
- ||<bgcolor="#E5E5E5">||<bgcolor="#E5E5E5">!MySql ||<bgcolor="#E5E5E5">Hadoop||
+ ||<bgcolor="#E5E5E5">||<bgcolor="#E5E5E5">!MySql 5.0.27, MyISAM||<bgcolor="#E5E5E5">Hadoop-0.15.0 Release||
  ||<bgcolor="#E5E5E5">Index ||index ||non-index||
  ||<bgcolor="#E5E5E5">Machine ||1 ||1000||
  ||<bgcolor="#E5E5E5">Rows ||3,700,000 ||49,324,734||
@@ -21, +23 @@

  08/01/08 16:13:47 INFO mapred.JobClient: Running job: job_200801081529_0005
  08/01/08 16:13:48 INFO mapred.JobClient:  map 0% reduce 0%
  08/01/08 16:13:54 INFO mapred.JobClient:  map 1% reduce 0%
- 08/01/08 16:13:56 INFO mapred.JobClient:  map 2% reduce 0%
- 08/01/08 16:14:01 INFO mapred.JobClient:  map 6% reduce 0%
- 08/01/08 16:14:03 INFO mapred.JobClient:  map 8% reduce 0%
- 08/01/08 16:14:05 INFO mapred.JobClient:  map 10% reduce 0%
- 08/01/08 16:14:07 INFO mapred.JobClient:  map 23% reduce 0%
- 08/01/08 16:14:08 INFO mapred.JobClient:  map 24% reduce 0%
  ...
- 08/01/08 16:15:32 INFO mapred.JobClient:  map 100% reduce 84%
- 08/01/08 16:15:33 INFO mapred.JobClient:  map 100% reduce 92%
  08/01/08 16:15:34 INFO mapred.JobClient:  map 100% reduce 100%
  08/01/08 16:15:35 INFO mapred.JobClient: Job complete: job_200801081529_0005
  08/01/08 16:15:35 INFO mapred.JobClient: Counters: 11