[StarCluster] AWS instance runs out of memory and swaps

Justin Riley jtriley at MIT.EDU
Mon Dec 5 18:13:00 EST 2011


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Amir,

qconf is included in the StarCluster AMIs so there must be some other
issue you're facing. Also, I wouldn't recommend installing the
gridengine packages from ubuntu as they're most likely not compatible
with StarCluster's bundled version in /opt/sge6 as you're seeing.

With that said which AMI are you using and what does "echo $PATH" look
like when you login as root (via sshmaster)?

~Justin


On 12/05/2011 06:07 PM, Amirhossein Kiani wrote:
> So I tried this and couldn't run qconf because it was not 
> installed. I then tried installing it using apt-get and specified 
> default for the cell name and "master" for the master name which
> is the default for the SGE created using StarCluster.
> 
> However now when I want to use qconf, it says:
> 
> root at master:/data/stanford/aligned# qconf -msconf error: commlib 
> error: got select error (Connection refused) unable to send
> message to qmaster using port 6444 on host "master": got send
> error
> 
> 
> Any idea how i could configure it to work?
> 
> 
> Many thanks, Amir
> 
> On Dec 5, 2011, at 1:52 PM, Rayson Ho wrote:
> 
>> Hi Amirhossein,
>> 
>> I was working on a few other things, and I just saw your message 
>> -- I have to spend less time on mailing list discussions these 
>> days due to the number of things that I needed to develop and/or 
>> fix, and I am also working on a new patch release of OGS/Grid 
>> Engine 2011.11. Luckily, I just found the mail that exactly 
>> solves the issue you are encountering:
>> 
>> http://markmail.org/message/zdj5ebfrzhnadglf
>> 
>> 
>> For more info, see the "job_load_adjustments" and 
>> "load_adjustment_decay_time" parameters in the Grid Engine 
>> manpage:
>> 
>> 
>> http://gridscheduler.sourceforge.net/htmlman/htmlman5/sched_conf.html
>>
>>
>>
>> 
Rayson
>> 
>> ================================= Grid Engine / Open Grid 
>> Scheduler http://gridscheduler.sourceforge.net/
>> 
>> Scalable Grid Engine Support Program 
>> http://www.scalablelogic.com/
>> 
>> 
>> 
>> 
>> ________________________________ From: Amirhossein Kiani 
>> <amirhkiani at gmail.com> To: Rayson Ho <raysonlogin at yahoo.com> Cc: 
>> Justin Riley <justin.t.riley at gmail.com>; "starcluster at mit.edu" 
>> <starcluster at mit.edu> Sent: Friday, December 2, 2011 6:36 PM 
>> Subject: Re: [StarCluster] AWS instance runs out of memory and 
>> swaps
>> 
>> 
>> Dear Rayson,
>> 
>> Did you have a chance to test your solution on this? Basically, 
>> all I want is to prevent a job from running on an instance if it 
>> does not have the memory required for the job.
>> 
>> I would very much appreciate your help!
>> 
>> Many thanks, Amir
>> 
>> 
>> 
>> On Nov 21, 2011, at 10:29 AM, Rayson Ho wrote:
>> 
>> Amir,
>>> 
>>> 
>>> You can use qhost to list all the node and resources that each 
>>> node has.
>>> 
>>> 
>>> I have an answer to the memory issue, but I have not have time 
>>> to properly type up a response and test it.
>>> 
>>> 
>>> 
>>> Rayson
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> ________________________________ From: Amirhossein Kiani 
>>> <amirhkiani at gmail.com> To: Justin Riley 
>>> <justin.t.riley at gmail.com> Cc: Rayson Ho
>>> <rayrayson at gmail.com>; "starcluster at mit.edu"
>>> <starcluster at mit.edu> Sent: Monday, November 21, 2011 1:26 PM
>>> Subject: Re: [StarCluster] AWS instance runs out of memory and
>>> swaps
>>> 
>>> Hi Justin,
>>> 
>>> Many thanks for your reply. I don't have any issue with 
>>> multiple jobs running per node if there is enough memory for 
>>> them. But since I know about the nature of my jobs, I can 
>>> predict that only one per node should be running. How can I
>>> see how much memory does SGE think each node have? Is there a
>>> way to list that?
>>> 
>>> Regards, Amir
>>> 
>>> 
>>> On Nov 21, 2011, at 8:18 AM, Justin Riley wrote:
>>> 
>>>> Hi Amir,
>>>> 
>>>> Sorry to hear you're still having issues. This is really
>>>> more of an SGE issue more than anything but perhaps Rayson
>>>> can give a better insight as to what's going on. It seems
>>>> you're using 23G nodes and 12GB jobs. Just for drill does
>>>> 'qhost' show each node having 23GB? Definitely seems like
>>>> there's a boundary issue here given that two of your jobs
>>>> together approaches the total memory of the machine (23GB).
>>>> Is it your goal only to have one job per
>> node?
>>>> 
>>>> ~Justin
>>>> 
>>>> On 11/16/2011 09:00 PM, Amirhossein Kiani wrote:
>>>>> Dear all,
>>>>> 
>>>>> I even wrote the queue submission script myself, adding
>>>>> the mem_free=MEM_NEEDED,h_vmem=MEM_MAX parameter but
>>>>> sometimes two jobs are randomly sent to one node that does
>>>>> not have enough memory for two jobs and they start running.
>>>>> I think the SGE should check on the instance memory and not
>>>>> run multiple jobs on a machine when the memory requirement
>>>>> for the jobs in total is above the memory available in the
>>>>> node (or maybe there is a bug in the current check)
>>>>> 
>>>>> Amir
>>>>> 
>>>>> On Nov 8, 2011, at 5:37 PM, Amirhossein Kiani wrote:
>>>>> 
>>>>>> Hi Justin,
>>>>>> 
>>>>>> I'm using a third-party tool to submit the jobs but I am 
>>>>>> setting the hard
>> limit.
>>>>>> For all my jobs I have something like this for the job 
>>>>>> description:
>>>>>> 
>>>>>> [root at master test]# qstat -j 1 
>>>>>> ==============================================================
>>>>>>
>>>>>>
>>>>>> 
job_number:                 1
>>>>>> exec_file:                  job_scripts/1 
>>>>>> submission_time:            Tue Nov  8 17:31:39 2011 
>>>>>> owner:                      root uid: 0 group:
>>>>>> root gid: 0
>>>>>> 
>> sge_o_home:                 /root
>>>>>> sge_o_log_name:             root sge_o_path: 
>>>>>> /home/apps/bin:/home/apps/vcftools_0.1.7/bin:/home/apps/tabix-0.2.5:/home/apps/BEDTools-Version-2.14.2/bin:/home/apps/samtools/bcftools:/home/apps/samtools:/home/apps/bwa-0.5.9:/home/apps/Python-2.7.2:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/bin:/home/apps/sjm-1.0/bin:/home/apps/hugeseq/bin:/usr/lib64/openmpi/1.4-gcc/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/cuda/bin:/usr/local/cuda/computeprof/bin:/usr/local/cuda/open64/bin:/opt/sge6/bin/lx24-amd64:/root/bin
>>>>>>
>>>>>>
>>>>>> 
sge_o_shell:                /bin/bash
>>>>>> sge_o_workdir:
>> /data/test
>>>>>> sge_o_host:                 master account: sge
>>>>>> stderr_path_list: 
>>>>>> NONE:master:/data/log/SAMPLE.bin_aln-chr1_e111108173139.txt
>>>>>>
>>>>>>
>>>>>> 
*hard resource_list:         h_vmem=12000M*
>>>>>> mail_list:                  root at master notify: FALSE
>>>>>> job_name:                   SAMPLE.bin_aln-chr1 
>>>>>> stdout_path_list: 
>>>>>> NONE:master:/data/log/SAMPLE.bin_aln-chr1_o111108173139.txt
>>>>>>
>>>>>>
>>>>>> 
jobshare:
>> 0
>>>>>> hard_queue_list:            all.q env_list: job_args: 
>>>>>> -c,/home/apps/hugeseq/bin/hugeseq_mod.sh bin_sam.sh chr1 
>>>>>> /data/chr1.bam /data/bwa_small.bam && 
>>>>>> /home/apps/hugeseq/bin/hugeseq_mod.sh sam_index.sh 
>>>>>> /data/chr1.bam script_file:                /bin/sh 
>>>>>> verify_suitable_queues:     2 scheduling info: 
>>>>>> (Collecting of scheduler job information is turned off)
>>>>>> 
>>>>>> And I'm using the Cluster GPU Quadruple Extra Large 
>>>>>> instances which
>> I
>>>>>> think has about 23G memory. The issue that I see is too 
>>>>>> many of the jobs are submitted. I guess I need to set
>>>>>> the mem_free too? (the problem is the tool im using does
>>>>>> not seem to have a way tot set that...)
>>>>>> 
>>>>>> Many thanks, Amir
>>>>>> 
>>>>>> On Nov 8, 2011, at 5:47 AM, Justin Riley wrote:
>>>>>> 
>>>>>>> 
>>>>> Hi Amirhossein,
>>>>> 
>>>>> Did you specify the memory usage in your job script or at 
>>>>> command line and what parameters did you use exactly?
>>>>> 
>>>>> Doing a quick search I believe that the following will 
>>>>> solve the problem although I haven't tested myself:
>>>>> 
>>>>> $ qsub -l mem_free=MEM_NEEDED,h_vmem=MEM_MAX yourjob.sh
>>>>> 
>>>>> Here, MEM_NEEDED and MEM_MAX are the lower and
>> upper bounds for your
>>>>> job's memory requirements.
>>>>> 
>>>>> HTH,
>>>>> 
>>>>> ~Justin
>>>>> 
>>>>> On 7/22/64 2:59 PM, Amirhossein Kiani wrote:
>>>>>> Dear Star Cluster users,
>>>>> 
>>>>>> I'm using Star Cluster to set up an SGE and when I ran
>>>>>> my job list,
>>>>> although I had specified the memory usage for each job, it 
>>>>> submitted too many jobs on my instance and my instance 
>>>>> started going out of memory and swapping.
>>>>>> I wonder if anyone knows how I could tell the SGE the
>>>>>> max memory to
>>>>> consider when submitting jobs to each node so that it 
>>>>> doesn't run the jobs if there is not enough memory 
>>>>> available on a node.
>>>>> 
>>>>>> I'm using the Cluster GPU Quadruple Extra Large 
>>>>>> instances.
>>>>> 
>>>>>> Many thanks, Amirhossein Kiani
>>>>> 
>>>>>>> 
>>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> StarCluster mailing list StarCluster at mit.edu 
>>>>> http://mailman.mit.edu/mailman/listinfo/starcluster
>>>> 
>>> 
>>> 
>>> _______________________________________________ StarCluster 
>>> mailing list StarCluster at mit.edu 
>>> http://mailman.mit.edu/mailman/listinfo/starcluster
>>> 
>>> 
>>> 
> 
> 
> _______________________________________________ StarCluster
> mailing list StarCluster at mit.edu 
> http://mailman.mit.edu/mailman/listinfo/starcluster

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.17 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAk7dT/wACgkQ4llAkMfDcrkhtwCeI6G0tPeUnXsfZs5uXbdj6IR4
rE8An1UzMLiKVWOFLXdaVvMKdkw/RPO7
=O30r
-----END PGP SIGNATURE-----



More information about the StarCluster mailing list