Do you see anything in /_active_tasks? > On 21 Jul 2015, at 12:37, Kiril Stankov <[email protected]> wrote: > > It is constantly high, not some peak moments. > I am monitoring htop with interval 1 sec and the CPU is above 12-15% with > most of this taken by erlang. > ------------------------------------------------------------------------ > *With best regards,* > Kiril Stankov, > CEO > > > This Email disclaimer > <http://open-net.biz/emailsignature.html> is integral part > of this message. > > On 21-Jul-15 12:49 PM, Jan Lehnardt wrote: >> Do you see anything in /_active_tasks while the CPU is up? >> >> Best >> Jan >> -- >> >>> On 21 Jul 2015, at 10:36, Kiril Stankov <[email protected]> wrote: >>> >>> Hi, >>> >>> I am monitoring CouchDB all the time and the CPU keeps around 10-12% all >>> the time from the erlang processes. >>> I do not think this is normal. >>> A new document is added to the DB each 5-6 minutes, but what takes CPU time >>> when the DB is idle? >>> There are very few read requests, may be 1 each 1-2 minutes or so. >>> >>> Here is a screenshot from htop: >>> http://pho.to/9aTTK >>> >>> Any ideas how can I understand what goes on? >>> ------------------------------------------------------------------------ >>> *With best regards,* >>> Kiril Stankov, >>> CEO >>> >>> >>> This Email disclaimer >>> <http://open-net.biz/emailsignature.html> is integral part >>> of this message. >>> >>> On 08-Jul-15 12:35 AM, Kiril Stankov wrote: >>>> Hi, >>>> >>>> sorry, I saw the couchdb user, mistaking it for a process. Actually what >>>> takes most of the cpu is beam.smp. >>>> Yes, I do have some reduce functions, 90% of them are simply _count. >>>> On the Futon status screen I see only replication jobs, which are 100% >>>> completed. >>>> There is nothing special in the couch.log, either. >>>> Database sizes are very small, few Mb. >>>> Now, it's midnight here, there is no activity whatsoever in the >>>> application and beam.smp swings between 3 and 15% cpu. >>>> For the last 10 hours it has 8+ hours TIME in 'top'. >>>> Host is latest Ubuntu, Couch version is 1.6.1. >>>> >>>> On 07-Jul-15 10:08 PM, Adam Kocoloski wrote: >>>>> Hi Kiril, no it’s not normal. Did you mean `couchjs` when you said >>>>> `couchdb`? If so it’s likely related to indexing. Do your views have >>>>> custom reduce functions? A poorly-behaved custom reduce function (e.g. >>>>> one that doesn’t really “reduce” its output) could yield very slow >>>>> indexing. Does the dashboard indicate any indexing jobs ongoing? >>>>> >>>>> Adam >>>>> >>>>>> On Jul 7, 2015, at 1:42 PM, Kiril Stankov <[email protected]> wrote: >>>>>> >>>>>> Hi, >>>>>> >>>>>> I've loaded 15K docs to a single DB, with 7 views, which do not emit >>>>>> docs (just id's). >>>>>> Since then (4 hours now) the CPU is constantly high (~15-20%) with most >>>>>> of it divided between couchdb and beam.smp. >>>>>> In addition couch became significantly slower than before (when there >>>>>> were ~ 3K docs). >>>>>> Is that normal? Can it be related to indexing? How long can it take? >>>>>> >>>>>> Thanks in advance. >>>>>> >>>>>> Kiril. >>>>>> >
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