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Install Nextflow on Harvard cluster and do a test run
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| cd ~ | |
| # Get an interactive session. --mem is important otherwise | |
| # you will probably get "OOM-killed" later on | |
| srun --pty -p test --mem=4G --time=120 bash | |
| # Load Java and Conda | |
| module load jdk/1.8.0_172-fasrc01 # This MIGHT not be neccessary, but doesn't hurt.. | |
| module load Anaconda3/2019.10 | |
| # Add the Bioconda "channels" (~= repositories) to your Conda | |
| # setup. Nextflow is available in Bioconda. | |
| conda config --add channels bioconda | |
| conda config --add channels conda-forge | |
| # Install Nextflow into a Conda environment named "covidestim" | |
| conda create -n covidestim nextflow awscli | |
| # After agreeing to the proposed list of packages to install, wait | |
| # like 10-20 minutes for all the deps to install | |
| # ... | |
| # Initialize your shell to work with Conda | |
| conda init bash | |
| # IMPORTANT: close and re-open your shell. Hit Ctrl-D, then: | |
| srun --pty -p test --mem=4G bash | |
| # Activate the "covidestim" Conda environment | |
| conda activate covidestim | |
| # Verify Nextflow works | |
| nextflow run hello | |
| # After a few seconds, you should get the following output: | |
| # N E X T F L O W ~ version 21.04.0 | |
| # Pulling nextflow-io/hello ... | |
| # downloaded from https://github.com/nextflow-io/hello.git | |
| # Launching `nextflow-io/hello` [big_khorana] - revision: e6d9427e5b [master] | |
| # executor > local (4) | |
| # [cd/ea5bd4] process > sayHello (3) [100%] 4 of 4 ✔ | |
| # Ciao world! | |
| # | |
| # Bonjour world! | |
| # | |
| # Hola world! | |
| # | |
| # Hello world! | |
| ############################################ | |
| ## Performing an example covidestim run ## | |
| ############################################ | |
| # Use Ctrl-D to get back to a login node (right now you are | |
| # probably on the interactive partition, which might cause | |
| # job submission issues) | |
| # cd to the high-speed filesystem (/n/holyscratch01) | |
| cd /n/holyscratch01/menzies_lab/Everyone | |
| # make a unique directory to store the run's files | |
| mkdir mwr_covidestim_test01 && cd mwr_covidestim_test01 | |
| # Paste the following into a file `runscript.sh` using Vim/etc: | |
| #!/usr/bin/bash | |
| module load Anaconda3/2019.10 | |
| conda activate covidestim | |
| # -Run the `master` branch of `dailyFlow` | |
| # -Don't publish to AWS S3 | |
| # -Run the HEAD commit of the `master` branch | |
| # -27 processes for the 52 states (+DC,PR) | |
| # -Never use the sampler | |
| # -Run using Slurm and Singularity | |
| # -Use the `master` branch of `covidestim` | |
| # -Run states | |
| # -Results to `results/` | |
| # -Today's date | |
| nextflow run covidestim/dailyFlow \ | |
| -r "master" \ | |
| --s3pub false \ | |
| -latest \ | |
| --ngroups 27 \ | |
| --alwaysoptimize \ | |
| -profile "slurm,states" \ | |
| --branch master \ | |
| --key state \ | |
| --outdir results \ | |
| --date "$(date '+%Y-%m-%d')" | |
| #### END FILE! #### | |
| # Run the script for a few hours on the shared partition | |
| sbatch -p shared --time=240 --mem=8G runscript.sh | |
| # Results will eventually be in the `results/` folder |
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