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SEQanswers June Challenge Has Begun!

The competition has begun! We're giving away a $50 Amazon gift card to the member who answers the most questions on our site during the month. We want to encourage our community members to share their knowledge and help each other out by answering questions related to sequencing technologies, genomics, and bioinformatics. The competition is open to all members of the site, and the winner will be announced at the beginning of July. Best of luck!

For a list of the official rules, visit (https://www.seqanswers.com/forum/sit...wledge-and-win)
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  • Bfast

    Can you help me?
    I have read the paper about BFAST, but I am sure I can't index well. My data is about large genome (~2.7Gbp), and the source is mate-pair SOLID reads(length:50bp). I have created a reference genome in nt and another in cs. Now, I run command: bfast index -f hg19.fa -A 1 -m 111111111111111111 -w 18 -n 8
    another one: bfast index -f hg19.fa -A 1 -m 1111110011111110011111 -w 18 -n 8
    I got the under warnings from both them:
    Sorting by thread...
    ^M^H100.000 percent complete^Mthread 100.000 percent complete^MWaiting for other threads to complete...^MMerging sorts from threads...
    Out of 3 required merges, currently on:
    0^M1^M2^M3
    Merge complete.
    Sorted.
    ************************************************************
    ^MIn function "RGIndexCreateHash": Fatal Error[MallocMemory]. Variable/Value: index->starts.
    Message: Could not allocate memory.
    ***** Exiting due to errors *****
    ************************************************************
    Can anyone give me some suggestions about bfast index? I feel so hard to get it clean in my main. THank you!

  • #2
    Originally posted by Lv Ray View Post
    Message: Could not allocate memory.
    Looks like you don't have or you don't provide enough memory for the program.

    Comment


    • #3
      Originally posted by WhatsOEver View Post
      Looks like you don't have or you don't provide enough memory for the program.
      But I have about 300G RAM.

      Comment


      • #4
        cross posted on biostars: https://www.biostars.org/p/112402/

        Comment


        • #5
          Originally posted by lindenb View Post
          cross posted on biostars: https://www.biostars.org/p/112402/
          I am so sorry for my hasty, but I will be mad for bfast index. Sorry for the cross posts.

          Comment


          • #6
            I would strongly recommend NovoalignCS for Solid data. I know it's commercial, but it's quite cheap and they do have a trial available. Otherwise algorithms for Solid data are fairly limited - and yes, we did test them all...

            Comment


            • #7
              Originally posted by colindaven View Post
              I would strongly recommend NovoalignCS for Solid data. I know it's commercial, but it's quite cheap and they do have a trial available. Otherwise algorithms for Solid data are fairly limited - and yes, we did test them all...
              Thank you. I will use the bfast after my groping it for several days.Maybe I will use NovoalignCS as your said while the bfast is hard to align more reads on ref.
              Thank you again.

              Comment

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