Jignesh,

You need to use OSX's launchctl to make permanent changes to your
limit types. By nature, ulimit's changes are not persistent.

On Tue, Oct 18, 2011 at 7:41 PM, Jignesh Patel <[email protected]> wrote:
> Thanks Dough.
>
> J-D the link you forwarded is not of much use for me. It doesn't work for
> the Lion OSX.
> By using ulimit -n I am able to set the value to 1024 but at the end if I
> restart the machine it goes back to  original 256. Don't know how to make
> this change permanent
>
> -Jignesh
>
> On Mon, Oct 17, 2011 at 2:59 PM, Doug Meil 
> <[email protected]>wrote:
>
>>
>> Jignesh, for an example of the error that JD is citing (and other common
>> errors) see the Troubleshooting chapter.
>>
>> http://hbase.apache.org/book.html#trouble
>>
>>
>>
>>
>>
>> On 10/17/11 2:43 PM, "Jean-Daniel Cryans" <[email protected]> wrote:
>>
>> >It always depends on the scope of your test :)
>> >
>> >For me the defaults are not a problem, but if all of a sudden you decide
>> >to
>> >create a couple of hundreds of regions, then you will run into too many
>> >open
>> >files.
>> >
>> >J-D
>> >
>> >On Mon, Oct 17, 2011 at 11:37 AM, Jignesh Patel
>> ><[email protected]>wrote:
>> >
>> >> J-D as Harsh said in test it will work without changing anything even
>> >>with
>> >> the limit open files of 256. Is that correct?
>> >>
>> >> _jginesh
>> >>
>> >> On Mon, Oct 17, 2011 at 2:27 PM, Jean-Daniel Cryans <
>> [email protected]
>> >> >wrote:
>> >>
>> >> > That's usually the first problem a user will hit, so we're very
>> >>up-front.
>> >> >
>> >> > J-D
>> >> >
>> >> > On Mon, Oct 17, 2011 at 11:22 AM, Jignesh Patel
>> >><[email protected]
>> >> > >wrote:
>> >> >
>> >> > > Harsh,
>> >> > > As you understand from some other post we have exchanged. I am at
>> >>very
>> >> > > early
>> >> > > stage of evaluating hadoop,base. We will start the development in
>> >>next
>> >> > > month
>> >> > > or so. So production is not in question at this time.
>> >> > >
>> >> > > But wondering if the system should run in testing then why hbase
>> >>book
>> >> > > section 2.2.4 asks to set the limit at initial stage. Any idea?
>> >> > >
>> >> > > http://hbase.apache.org/book/os.html
>> >> > >
>> >> > > -Jignesh
>> >> > >
>> >> > > On Mon, Oct 17, 2011 at 1:57 PM, Harsh J <[email protected]>
>> wrote:
>> >> > >
>> >> > > > Jignesh,
>> >> > > >
>> >> > > > Curious if you are gonna run HBase on production over OSX.
>> >>Otherwise,
>> >> > > > the default limits should be good enough for testing, and HBase
>> >>also
>> >> > > > seems to set its own -n opt before it begins.
>> >> > > >
>> >> > > > But anyways, if you are looking to set things permanently, and
>> >>using
>> >> > > > ulimit is not cutting it for you, checkout launchctl:
>> >> > > >
>> >> > > >
>> >> > >
>> >> >
>> >>
>> >>
>> http://developer.apple.com/library/mac/#documentation/Darwin/Reference/Ma
>> >>nPages/man1/launchctl.1.html
>> >> > > > [See the "limit" expansions]
>> >> > > >
>> >> > > > On Mon, Oct 17, 2011 at 11:24 PM, Jignesh Patel <
>> >> > [email protected]
>> >> > > >
>> >> > > > wrote:
>> >> > > > > My machine shows as follows:
>> >> > > > >
>> >> > > > > Jignesh-MacBookPro:~ hadoop-user$ sysctl -a | grep maxproc
>> >> > > > > kern.maxproc = 1064
>> >> > > > > kern.maxprocperuid = 709
>> >> > > > > kern.maxproc: 1064
>> >> > > > > kern.maxprocperuid: 709
>> >> > > > >
>> >> > > > >
>> >> > > > > On Mon, Oct 17, 2011 at 1:51 PM, Jignesh Patel <
>> >> > > [email protected]
>> >> > > > >wrote:
>> >> > > > >
>> >> > > > >> While setting Hbase there is a article to setup limit for the
>> >> file.
>> >> > > > However
>> >> > > > >> I didn't find any appropriate command to setup same in Mac.
>> >> > > > >>
>> >> > > > >> Please let me know how to setup max file size permanently.
>> >> > > > >>
>> >> > > > >> -Jignesh
>> >> > > > >>
>> >> > > > >
>> >> > > >
>> >> > > >
>> >> > > >
>> >> > > > --
>> >> > > > Harsh J
>> >> > > >
>> >> > >
>> >> >
>> >>
>>
>>
>



-- 
Harsh J

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