deblur taking forever?

I am trying to use deblur as a denoising package

My dada2 code is which worked well, when I instead of deblur.

and my deblur one is
qiime deblur denoise-16S
--i-demultiplexed-seqs single-end-demux-filtered.qza
--p-trim-length 250
--o-representative-sequences rep-seqs-deblur.qza
--o-table table-deblur.qza
--o-stats deblur-stats.qza

the deblur is working forever until the terminal is deactivate on its own.
I am qiime2.2021.11 in Ubuntu 20.04.3 LTS (GNU/Linux 5.11.0-34-generic x86_64)
and here is the details
active environment : qiime2-2021.11
active env location : /home/r01mt19/.conda/envs/qiime2-2021.11
shell level : 2
user config file : /home/r01mt19/.condarc
populated config files : /opt/bioconda3/condarc
conda version : 4.10.3
conda-build version : not installed
python version :
virtual packages : __cuda=9.1=0
base environment : /opt/bioconda3 (read only)
conda av data dir : /opt/bioconda3/etc/conda
conda av metadata url : None
channel URLs :
package cache : /opt/bioconda3/pkgs
envs directories : /home/r01mt19/.conda/envs
platform : linux-64
user-agent : conda/4.10.3 requests/2.25.1 CPython/3.7.10 Linux/5.11.0-34-generic ubuntu/20.04.3 glibc/2.31
UID:GID : 1009:1008
netrc file : None
offline mode : False

Could you please support or guide?

Hi @MarwaTawfik!

I'm sorry to hear that, but is it possible that you're just not waiting long enough? In my experience, deblur often seems to take a little bit longer than dada2 on the same dataset (that might not always be the case, I don't use deblur that often), for example, on the Moving Pictures Tutorial dataset, dada2 takes less than 1 minute, while deblur is 4 times as long, at 4 minutes. Maybe just wait a while longer?

Keep us posted! :qiime2:

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