-Re: Any good URL/write-ups on the various bin/*.sh files & conf files?
Christopher 2013-05-06, 12:07
Yes on both counts.
Christopher L Tubbs II
On Mon, May 6, 2013 at 8:03 AM, Aaron <[EMAIL PROTECTED]> wrote:
> Ahhh cool...so start-all.sh & start-here.sh are "smart" and by that I mean,
> will only start the certain processes based upon which machine they are on.
> And if you do a start-here.sh on a box, it will look through every file, and
> only start the processes for which it "finds itself."
> So, if a machine is in master & gc, but not in tracer....and when I call
> start-here.sh on that box, it will only start the master & gc processes..and
> NOT tracer? Assuming the answer is yes, but just confirming.
> For slave, does that assume 2 processes: tserver & logger? so, if a machine
> is in the slave file, it will start both of those?
> On Fri, May 3, 2013 at 4:06 PM, John Vines <[EMAIL PROTECTED]> wrote:
>> Those files are used for 2 purposes.
>> 1. Start-all.sh, start-here.sh, and tup.sh read all of the files (tup only
>> uses slaves) to start up the processes. Start-all will go through each file
>> for each process, ssh to that server (no ssh if the current host) and start
>> the process. Start-all uses tup for the tserver and logger processes.
>> Start-here reads through each file, and if the machines match, it will start
>> that process locally.
>> 2. The files are used in attempts to bind to a port. This is for when your
>> on a machine with multiple ports, to help it bind on the port you want. This
>> MAY only actually occur if you're using the above mentioned scripts.
>> So that said, as long as the configuration of those files is correct for
>> the node you're on, you can run them there. And on that same note, the
>> reason you want to keep those various server list files synced is so you can
>> run start-all/tup from any node and have the same effect.
>> On Fri, May 3, 2013 at 3:47 PM, Aaron <[EMAIL PROTECTED]> wrote:
>>> Was curious if anyone knew of some decent write-ups on various shell
>>> scripts? Also, curious about master, slaves, gc, tracers, etc conf files.
>>> Main reason I ask is about what .sh to run "where."
>>> For example, have "head" system that is running master/gc/monitor/tracer,
>>> then we have other various nodes running tserver/logger.
>>> 1a. Does every node, including the "head" node need all the conf files
>>> the same...masters/slaves/tracers, etc?
>>> 1b. Or does the "master" node only need to know about where the slaves
>>> are, so it uses the slaves file. And conversely, do the tserver nodes only
>>> need to have a master conf file to put themselves to the master?
>>> 2. I saw someplace not to use tup.sh on the compute/storage nodes...do I
>>> just use start-server.sh to only bring up the logger/tserver..and NOT the
>>> other services?
>>> Basically, there are more questions like this, but, wanted to ask if
>>> anyone out there has some write-ups to I can RTFM first. Basically, looking
>>> for a little more into the weeds that the Administration/Installation
>>> section of the manual.
>>> Thanks in advance,