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From Doug Meil <doug.m...@explorysmedical.com>
Subject Re: setting ulimit in os Lion X
Date Mon, 17 Oct 2011 18:59:48 GMT

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" <jdcryans@apache.org> 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
><jigneshmpatel@gmail.com>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 <jdcryans@apache.org
>> >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
>><jigneshmpatel@gmail.com
>> > >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 <harsh@cloudera.com> 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 <
>> > jigneshmpatel@gmail.com
>> > > >
>> > > > 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 <
>> > > jigneshmpatel@gmail.com
>> > > > >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
>> > > >
>> > >
>> >
>>


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