0.5 is out the door, and we already have 40 issues tagged for 0.6 -- quite a bit of work to do! I see Sebastian and I are already cracking through several of them. Committer activity is still not quite keeping up with the backlog. It's an important time, and a time for those who can move issues to resolution or close them to do so. Stay involved, stay relevant, especially those of you who have been quiet. Because we need more "bandwidth" to begin dealing with the meta-issues: docs, packaging, roadmap, etc.
Here is the current list, to inspire you: KeySummaryStatusCreated <https://issues.apache.org/jira/browse/MAHOUT-609> MAHOUT-609 <https://issues.apache.org/jira/browse/MAHOUT-609> Add an option to make RecommenderJob write out it's computed item similarities <https://issues.apache.org/jira/browse/MAHOUT-609> [image: Open] Open08/Feb/11<https://issues.apache.org/jira/browse/MAHOUT-627> MAHOUT-627 <https://issues.apache.org/jira/browse/MAHOUT-627> Baum-Welch Algorithm on Map-Reduce for Parallel Hidden Markov Model Training. <https://issues.apache.org/jira/browse/MAHOUT-627> [image: Open] Open17/Mar/11<https://issues.apache.org/jira/browse/MAHOUT-537> MAHOUT-537 <https://issues.apache.org/jira/browse/MAHOUT-537> Bring DistributedRowMatrix into compliance with Hadoop 0.20.2<https://issues.apache.org/jira/browse/MAHOUT-537> [image: Open] Open03/Nov/10<https://issues.apache.org/jira/browse/MAHOUT-546> MAHOUT-546 <https://issues.apache.org/jira/browse/MAHOUT-546> Bug creating vector from Solr index with TrieFields<https://issues.apache.org/jira/browse/MAHOUT-546> [image: Open] Open16/Nov/10<https://issues.apache.org/jira/browse/MAHOUT-714> MAHOUT-714 <https://issues.apache.org/jira/browse/MAHOUT-714> CollocDriver not runnable with ToolRunner due to private Constructor<https://issues.apache.org/jira/browse/MAHOUT-714> [image: Patch Available] Patch Available29/May/11<https://issues.apache.org/jira/browse/MAHOUT-696> MAHOUT-696 <https://issues.apache.org/jira/browse/MAHOUT-696> Command line program for AdaptiveLogiscticRegression<https://issues.apache.org/jira/browse/MAHOUT-696> [image: Open] Open15/May/11<https://issues.apache.org/jira/browse/MAHOUT-712> MAHOUT-712 <https://issues.apache.org/jira/browse/MAHOUT-712> DisplaySpectralKMeans Example Surfaces FileNotFoundException in DistributedRowMatrix.times() Usage/Implementation<https://issues.apache.org/jira/browse/MAHOUT-712> [image: Open] Open25/May/11<https://issues.apache.org/jira/browse/MAHOUT-524> MAHOUT-524 <https://issues.apache.org/jira/browse/MAHOUT-524> DisplaySpectralKMeans example fails<https://issues.apache.org/jira/browse/MAHOUT-524> [image: Open] Open12/Oct/10<https://issues.apache.org/jira/browse/MAHOUT-598> MAHOUT-598 <https://issues.apache.org/jira/browse/MAHOUT-598> Downstream steps in the seq2sparse job flow looking in wrong location for output from previous steps when running in Elastic MapReduce (EMR) cluster<https://issues.apache.org/jira/browse/MAHOUT-598> [image: Open] Open27/Jan/11<https://issues.apache.org/jira/browse/MAHOUT-629> MAHOUT-629 <https://issues.apache.org/jira/browse/MAHOUT-629> FP Growth performance improvement<https://issues.apache.org/jira/browse/MAHOUT-629> [image: Open] Open21/Mar/11<https://issues.apache.org/jira/browse/MAHOUT-709> MAHOUT-709 <https://issues.apache.org/jira/browse/MAHOUT-709> FP-Growth Redundant patterns<https://issues.apache.org/jira/browse/MAHOUT-709> [image: Open] Open22/May/11<https://issues.apache.org/jira/browse/MAHOUT-688> MAHOUT-688 <https://issues.apache.org/jira/browse/MAHOUT-688> High Document Frequency pruning for seq2sparse<https://issues.apache.org/jira/browse/MAHOUT-688> [image: Open] Open05/May/11<https://issues.apache.org/jira/browse/MAHOUT-716> MAHOUT-716 <https://issues.apache.org/jira/browse/MAHOUT-716> Implement Boosting <https://issues.apache.org/jira/browse/MAHOUT-716> [image: Patch Available] Patch Available01/Jun/11<https://issues.apache.org/jira/browse/MAHOUT-703> MAHOUT-703 <https://issues.apache.org/jira/browse/MAHOUT-703> Implement Gradient machine<https://issues.apache.org/jira/browse/MAHOUT-703> [image: Patch Available] Patch Available19/May/11<https://issues.apache.org/jira/browse/MAHOUT-499> MAHOUT-499 <https://issues.apache.org/jira/browse/MAHOUT-499> Implement LSMR in-memory <https://issues.apache.org/jira/browse/MAHOUT-499> [image: Open] Open09/Sep/10<https://issues.apache.org/jira/browse/MAHOUT-525> MAHOUT-525 <https://issues.apache.org/jira/browse/MAHOUT-525> Implement LatentFactorLogLinear models<https://issues.apache.org/jira/browse/MAHOUT-525> [image: Open] Open14/Oct/10<https://issues.apache.org/jira/browse/MAHOUT-702> MAHOUT-702 <https://issues.apache.org/jira/browse/MAHOUT-702> Implement Online Passive Aggressive learner<https://issues.apache.org/jira/browse/MAHOUT-702> [image: Patch Available] Patch Available18/May/11<https://issues.apache.org/jira/browse/MAHOUT-384> MAHOUT-384 <https://issues.apache.org/jira/browse/MAHOUT-384> Implement of AVF algorithm<https://issues.apache.org/jira/browse/MAHOUT-384> [image: Open] Open22/Apr/10<https://issues.apache.org/jira/browse/MAHOUT-672> MAHOUT-672 <https://issues.apache.org/jira/browse/MAHOUT-672> Implementation of Conjugate Gradient for solving large linear systems<https://issues.apache.org/jira/browse/MAHOUT-672> [image: Patch Available] Patch Available16/Apr/11<https://issues.apache.org/jira/browse/MAHOUT-487> MAHOUT-487 <https://issues.apache.org/jira/browse/MAHOUT-487> Issues with memory use and inconsistent or state-influenced results when using CBayesAlgorithm <https://issues.apache.org/jira/browse/MAHOUT-487> [image: Open] Open24/Aug/10<https://issues.apache.org/jira/browse/MAHOUT-597> MAHOUT-597 <https://issues.apache.org/jira/browse/MAHOUT-597> Kernels in Mean Shift <https://issues.apache.org/jira/browse/MAHOUT-597> [image: Open] Open27/Jan/11<https://issues.apache.org/jira/browse/MAHOUT-399> MAHOUT-399 <https://issues.apache.org/jira/browse/MAHOUT-399> LDA on Mahout 0.3 does not converge to correct solution for overlapping pyramids toy problem. <https://issues.apache.org/jira/browse/MAHOUT-399> [image: Open] Open24/May/10<https://issues.apache.org/jira/browse/MAHOUT-690> MAHOUT-690 <https://issues.apache.org/jira/browse/MAHOUT-690> LanczosSolver tests take forever. No fun.<https://issues.apache.org/jira/browse/MAHOUT-690> [image: Open] Open06/May/11<https://issues.apache.org/jira/browse/MAHOUT-415> MAHOUT-415 <https://issues.apache.org/jira/browse/MAHOUT-415> Lucene filter for Collocations<https://issues.apache.org/jira/browse/MAHOUT-415> [image: Open] Open14/Jun/10<https://issues.apache.org/jira/browse/MAHOUT-705> MAHOUT-705 <https://issues.apache.org/jira/browse/MAHOUT-705> MongoDB DataModel support <https://issues.apache.org/jira/browse/MAHOUT-705> [image: Open] Open20/May/11<https://issues.apache.org/jira/browse/MAHOUT-678> MAHOUT-678 <https://issues.apache.org/jira/browse/MAHOUT-678> NullPointerException while using MixedGradient with SGD algorithm<https://issues.apache.org/jira/browse/MAHOUT-678> [image: Open] Open22/Apr/11<https://issues.apache.org/jira/browse/MAHOUT-692> MAHOUT-692 <https://issues.apache.org/jira/browse/MAHOUT-692> OnlineSummarizer does not tolerate fewer than 100 samples<https://issues.apache.org/jira/browse/MAHOUT-692> [image: Open] Open10/May/11<https://issues.apache.org/jira/browse/MAHOUT-695> MAHOUT-695 <https://issues.apache.org/jira/browse/MAHOUT-695> Option to determine number of words for LDADriver from a specified dictionary <https://issues.apache.org/jira/browse/MAHOUT-695> [image: Open] Open13/May/11<https://issues.apache.org/jira/browse/MAHOUT-632> MAHOUT-632 <https://issues.apache.org/jira/browse/MAHOUT-632> PFPGrowth : Exceeded max jobconf size<https://issues.apache.org/jira/browse/MAHOUT-632> [image: Patch Available] Patch Available22/Mar/11<https://issues.apache.org/jira/browse/MAHOUT-663> MAHOUT-663 <https://issues.apache.org/jira/browse/MAHOUT-663> Rationalize hadoop job creation with respect to setJarByClass<https://issues.apache.org/jira/browse/MAHOUT-663> [image: Open] Open08/Apr/11<https://issues.apache.org/jira/browse/MAHOUT-664> MAHOUT-664 <https://issues.apache.org/jira/browse/MAHOUT-664> Remove usage of XStream string serialization too?<https://issues.apache.org/jira/browse/MAHOUT-664> [image: Open] Open10/Apr/11<https://issues.apache.org/jira/browse/MAHOUT-719> MAHOUT-719 <https://issues.apache.org/jira/browse/MAHOUT-719> Rename current runLogistic command line program to validateLogistic and let runLogistic do predicting against new production data<https://issues.apache.org/jira/browse/MAHOUT-719> [image: Open] Open02/Jun/11<https://issues.apache.org/jira/browse/MAHOUT-699> MAHOUT-699 <https://issues.apache.org/jira/browse/MAHOUT-699> Rename taste-webapp module to integration; move integration code there from examples <https://issues.apache.org/jira/browse/MAHOUT-699> [image: Open] Open18/May/11<https://issues.apache.org/jira/browse/MAHOUT-707> MAHOUT-707 <https://issues.apache.org/jira/browse/MAHOUT-707> Setup Jenkins Jobs to validate our Examples/bin Scripts<https://issues.apache.org/jira/browse/MAHOUT-707> [image: Open] Open20/May/11<https://issues.apache.org/jira/browse/MAHOUT-626> MAHOUT-626 <https://issues.apache.org/jira/browse/MAHOUT-626> T1 and T2 Values in Canopy (& MeanShift)<https://issues.apache.org/jira/browse/MAHOUT-626> [image: Reopened] Reopened13/Mar/11<https://issues.apache.org/jira/browse/MAHOUT-596> MAHOUT-596 <https://issues.apache.org/jira/browse/MAHOUT-596> Testing if the weight assigned to points when calling the observe method in AbstractCluster incorrectly affect the number of points in a cluster<https://issues.apache.org/jira/browse/MAHOUT-596> [image: Open] Open27/Jan/11<https://issues.apache.org/jira/browse/MAHOUT-294> MAHOUT-294 <https://issues.apache.org/jira/browse/MAHOUT-294> Uniform API behavior for Jobs<https://issues.apache.org/jira/browse/MAHOUT-294> [image: Open] Open16/Feb/10<https://issues.apache.org/jira/browse/MAHOUT-652> MAHOUT-652 <https://issues.apache.org/jira/browse/MAHOUT-652> [GSoC Proposal] Parallel Viterbi algorithm for HMM<https://issues.apache.org/jira/browse/MAHOUT-652> [image: Open] Open06/Apr/11<https://issues.apache.org/jira/browse/MAHOUT-711> MAHOUT-711 <https://issues.apache.org/jira/browse/MAHOUT-711> outputs miss some right frequent itemsets<https://issues.apache.org/jira/browse/MAHOUT-711> [image: Open] Open25/May/11<https://issues.apache.org/jira/browse/MAHOUT-706> MAHOUT-706 <https://issues.apache.org/jira/browse/MAHOUT-706> reuse lucene tokenstreams <https://issues.apache.org/jira/browse/MAHOUT-706> [image: Open] Open20/May/11
