in-memory versus serialized

2014-07-03 Thread jeff saremi
What can be said about the same memory being used for a topology? under jvm and under multi -lang? let me elaborate please: - if i manage to contain my topology to only one machine while maximizing the utilization of cores in that machine will i be able to speed up the processing by eliminating

Choosing where your tasks run in Storm

2014-07-04 Thread jeff saremi
I'm wondering if this concept applies to Storm and if there's a way to do this. I'd like to limit the machines that certain spouts or bolts run on. There are many reasons for this. But for one let's assume that I have a bolt that is just a proxy for some legacy service. I want to monitor that se

RE: Choosing where your tasks run in Storm

2014-07-04 Thread jeff saremi
se.ly On Fri, Jul 4, 2014 at 7:59 AM, jeff saremi wrote: I'm wondering if this concept applies to Storm and if there's a way to do this. I'd like to limit the machines that certain spouts or bolts run on. There are many reasons for this. But for one let's assume that I h

The role of supervisor in Storm

2014-07-06 Thread jeff saremi
I posted another note earlier asking for hints and links on in-depth architecture documentation. I didn't get any responses. Which probably means I am the only one with this problem. So i'll just go ahead and ask specific questions: What is the role of the supervisor? I know that it starts and s

RE: The role of supervisor in Storm

2014-07-06 Thread jeff saremi
is always a good practice to run nimbus and supervisor under monitor application. 2014-07-07 唐思成 发件人: jeff saremi 发送时间: 2014-07-06 23:20:38 收件人: d...@storm.incubator.apache.org; user@storm.incubator.apache.org 抄送: 主题: The role of supervisor in Storm I posted another note

RE: The role of supervisor in Storm

2014-07-06 Thread jeff saremi
monit, check it out. On Sun, Jul 6, 2014 at 9:42 PM, jeff saremi wrote: ok thanks. Understand it better now. What is the monitor application? How does it monitor a process? Date: Mon, 7 Jul 2014 09:31:49 +0800 From: jadetan...@qq.com To: user@storm.incubator.apache.org Subject: Re: The ro

RE: The role of supervisor in Storm

2014-07-07 Thread jeff saremi
to do the same sort of thing. As for the hieroglyphs http://clojure.org/cheatsheet might be an OK rosetta stone for you. - Bobby From: jeff saremi Reply-To: "user@storm.incubator.apache.org" Date: Sunday, July 6, 2014 at 10:20 AM To: "d...@storm.incubator.apach

How to bring a node offline?

2014-07-07 Thread jeff saremi
What is the sequence or command to make a node unavailable say for maintenance? This is one of the supervisor nodes of course. thanks Jeff