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/ManPages/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 > > > > > > > > > >
