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Problems with red step, having 477k jobs #935
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You've got enough memory to support 16 or 24 gb jobs, so give that a try. You're aiming for a few hundred jobs. Most, if not all, of the time used in these is just I/O overhead -- it spends all it's time loading data and very very little time actually computing. It won't take 11 days the next time. At the start of the logging, it'll report "Configure RED for ...." then give a list of each job. I'd like to see this logging - and also for the broken one if you've still got it (I don't need the full list of jobs, just 50 or so). |
Thank you @brianwalenz for your reply
and for the broken one is here
Nothing have changed in the current run Please advise |
Did you increase redMemory and oeaMemory? Remove the 3-overlapErrorAdjustment directory and add redMemory=24 oeaMemory=24 to your canu command. |
I'm troubled by the crash reported in the current run output. If that appears when you restart with 24gb, see if it occurs when the ovStoreDump command reported is run by hand. Increasing to 24gb will solve the problem. It's caused by the long read length (and a broken algorithm for setting up the jobs). Also, some reads have an incredible number of overlaps, e.g., read 25 is 82Kbp and has 40,000 overlaps. This could just be repeat pile ups, but I'd suggest analyzing that read - it's the 25th read in the trimmedReads.fasta file. You can also dump the overlaps with |
@skoren and @brianwalenz thank you for your suggestions
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If run by hand, what does What's the error(s) reported at the end of the unitigging/3-overlapErrorAdjustment/red.*.out files? |
Idle. Reopen if needed. |
Hi
I am using canu v1.7 +75 , having a similar issue like @ptranvan
The memory (job size) configuration in my canu run is
The job is stopped at the following point after 477295 red.sh
In my run redMemory is 8gb and probably oeaMemory is 4gb. I added AS_UTL_closeFile() in "ovStoreFile.C" as shown in 6bb19fc commit.
I renamed the 3-overlapErrorAdjustment directory and rerun CANU, it still shows 477295 red processes, as I remember it took 11 days (955830 seconds) to finish 477295 red processes
Can I rerun the canu by keeping these files or need to delete the 3-overlapErrorAdjustment directory
Please advise me, how I can get rid of the issue
Thanks in advance
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