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  • Amos/MuMMer/Minimus2 postnuc running multikmer assembly

    Hello,

    I am using the following protocol to Merge a multikmer assembly using CDHit && Amos.
    protocol: http://ged.msu.edu/angus/metag-assem...et-multik.html

    However, after running minimus2, it just hangs on step 20. It has been 6 days now. I was wondering if the software usually takes long on step 20. I dont see any erros on the log file. Have anyone experience anything like this?

    Command used:
    > minimus2 all-gjcombs &
    [1] 44931
    [root@b30-fac-staff-134-71-20-58 gerjamdata]# The log file is: all-gjcombs.runAmos.log
    Doing step 10: Building AMOS bank & Dumping reads
    Doing step 11
    Doing step 12
    Doing step 13
    Doing step 20: Getting overlaps

    The following is the log file output for minimus2:

    !!! 2014-11-04 13:18:13 Running: /root/Downloads/MUMmer3.23/nucmer -maxmatch -c 40 all-gjcombs.ref.seq all-gjcombs.qry.seq -p all-gjcombs
    1: PREPARING DATA
    2,3: RUNNING mummer AND CREATING CLUSTERS
    # reading input file "all-gjcombs.ntref" of length 1065681070
    # construct suffix tree for sequence of length 1065681070
    # (maximum reference length is 2305843009213693948)
    # (maximum query length is 18446744073709551615)
    # process 10656810 characters per dot
    #....................................................................................................
    # CONSTRUCTIONTIME /root/Downloads/MUMmer3.23/mummer all-gjcombs.ntref 1055.62
    # reading input file "/raid/MultiK_Assembly/gerjamdata/all-gjcombs.qry.seq" of length 1065681069
    # matching query-file "/raid/MultiK_Assembly/gerjamdata/all-gjcombs.qry.seq"
    # against subject-file "all-gjcombs.ntref"
    # COMPLETETIME /root/Downloads/MUMmer3.23/mummer all-gjcombs.ntref 11556.20
    # SPACE /root/Downloads/MUMmer3.23/mummer all-gjcombs.ntref 2086.07
    4: FINISHING DATA


    I would really appreciate your help/suggestions.

    thank you,

    -Milo

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