You can't change the number of tasks. Changing the number of tasks will, for example, break any fields grouping you have. On Dec 26, 2014 7:03 PM, "Harsha Balasubramanian" <harsha...@gmail.com> wrote:
> Works Fine Now!! > Thanks a ton to everyone who helped me get this going. You folks are > incredibly patient :) > > Final questions w.r.t re-balancing topologies with CLI client: > > 1. *storm rebalance mytopology -n 5 -e blue-spout=3 -e yellow-bolt=10* > This changes workers and executors. Is it possible to changes tasks as well > using the client. If not, what will happen when > no:of executors > no:tasks for a component? > > 2. I'm assuming the CLI client must be invoking some code in > storm-core to do the re-balancing. Is it possible to call that code > directly (from another class) with the required parameters? > > > > Thanks, > Harsha > > *Contact Details: * > Harsha Balasubramanian > Graduate Student at University of Toronto > Masters in Computer Science > > Mobile : 647-771-3596 > Email 1: harsha...@cs.toronto.edu > Email 2: harsha...@gmail.com > LinkedIn : ca.linkedin.com/in/harshabala/ > > On Fri, Dec 26, 2014 at 6:18 PM, Harsha Balasubramanian < > harsha...@gmail.com > > wrote: > > > ok. I will try again with my new fork now. I compared files from my fork > > and master branch of storm and they look the same. > > > > Quick question: to run the pythin script, do i need to add this env > > variable in windows > > PATHEXT = .PY > > > > Thanks, > > Harsha > > > > *Contact Details: * > > Harsha Balasubramanian > > Graduate Student at University of Toronto > > Masters in Computer Science > > > > Mobile : 647-771-3596 > > Email 1: harsha...@cs.toronto.edu > > Email 2: harsha...@gmail.com > > LinkedIn : ca.linkedin.com/in/harshabala/ > > > > On Fri, Dec 26, 2014 at 6:08 PM, Harsha <st...@harsha.io> wrote: > > > >> your repo looks fine to me. Check your storm dist here > >> > >> > https://drive.google.com/a/hortonworks.com/folderview?id=0B9th7RvhGLuiMHc5LWpobWY1czg&usp=sharing# > >> python file bin/storm not the same as the one in your repo. > >> do a mvn clean package under storm-dist/binary > >> > >> On Fri, Dec 26, 2014, at 03:05 PM, Harsha Balasubramanian wrote: > >> > i'll create a new fork and try again > >> > > >> > Thanks, > >> > Harsha > >> > > >> > *Contact Details: * > >> > Harsha Balasubramanian > >> > Graduate Student at University of Toronto > >> > Masters in Computer Science > >> > > >> > Mobile : 647-771-3596 > >> > Email 1: harsha...@cs.toronto.edu > >> > Email 2: harsha...@gmail.com > >> > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > > >> > On Fri, Dec 26, 2014 at 5:51 PM, Harsha Balasubramanian > >> > <harsha...@gmail.com > >> > > wrote: > >> > > >> > > I created a fork from master. Then a new branch for my changes. > This > >> is > >> > > the code i used to build my local release version. > >> > > https://github.com/harshab85/storm/tree/autoscaling > >> > > > >> > > Followed instructions from here: > >> > > > >> > http://stackoverflow.com/questions/22559218/how-to-make-a-storm-release-from-the-source-code > >> > > > >> > > Moved to 'storm-dist/binary' directory. Ran mvn package. Deployed > the > >> > > release bundle that was created in 'storm-dist/binary/target' > >> directory > >> > > > >> > > Thanks, > >> > > Harsha > >> > > > >> > > *Contact Details: * > >> > > Harsha Balasubramanian > >> > > Graduate Student at University of Toronto > >> > > Masters in Computer Science > >> > > > >> > > Mobile : 647-771-3596 > >> > > Email 1: harsha...@cs.toronto.edu > >> > > Email 2: harsha...@gmail.com > >> > > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > > > >> > > On Fri, Dec 26, 2014 at 5:25 PM, Harsha <st...@harsha.io> wrote: > >> > > > >> > >> your build is older version of storm. Do a git pull and rebuild the > >> > >> storm. > >> > >> I don't see STORM-487 fix in your build. > >> > >> > >> > >> https://github.com/apache/storm/blob/master/bin/storm > >> > >> that is the latest version and I tested in windows 8 don't see any > >> > >> issues. > >> > >> -Harsha > >> > >> On Fri, Dec 26, 2014, at 02:16 PM, Harsha Balasubramanian wrote: > >> > >> > FYI: > >> > >> > > >> > >> > Running 'storm nimbus', 'storm ui' and 'storm supervisor' works > >> fine > >> > >> from > >> > >> > the STORM_HOME dir. > >> > >> > > >> > >> > The problem comes only when I try to run using python to run > these > >> > >> > commands. > >> > >> > > >> > >> > I want to use python only because I need the CLI tool to > >> re-balance the > >> > >> > topology that I am using. In windows, storm.cmd apparently has a > >> bug > >> > >> > w.r.t > >> > >> > re-balancing. > >> > >> > > >> > >> > Should I do anything extra to make the storm client work with > >> python. > >> > >> > Python is in the PATH variable and works fine otherwise. Any > extra > >> > >> > environment variable needed in windows? > >> > >> > > >> > >> > Thanks, > >> > >> > Harsha > >> > >> > > >> > >> > *Contact Details: * > >> > >> > Harsha Balasubramanian > >> > >> > Graduate Student at University of Toronto > >> > >> > Masters in Computer Science > >> > >> > > >> > >> > Mobile : 647-771-3596 > >> > >> > Email 1: harsha...@cs.toronto.edu > >> > >> > Email 2: harsha...@gmail.com > >> > >> > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > > >> > >> > On Fri, Dec 26, 2014 at 3:51 PM, Harsha Balasubramanian > >> > >> > <harsha...@gmail.com > >> > >> > > wrote: > >> > >> > > >> > >> > > I built the storm deliverable from main branch (g drive link to > >> tar > >> > >> and > >> > >> > > zip files), > >> > >> > > > >> > >> > >> > https://drive.google.com/folderview?id=0B9th7RvhGLuiMHc5LWpobWY1czg&usp=sharing > >> > >> > > > >> > >> > > Then I deployed it into my c: drive - c:/storm (which is > >> STORM_HOME) > >> > >> > > > >> > >> > > When I run the python script from STORM_HOME, I get the same > >> error as > >> > >> > > before. *Is there any setting that distinguishes the build as a > >> > >> release > >> > >> > > bundle* > >> > >> > > > >> > >> > > H@H-PC /c/storm > >> > >> > > $ python ./bin/storm nimbus > >> > >> > > ****************************************** > >> > >> > > The storm client can only be run from within a release. You > >> appear to > >> > >> be > >> > >> > > trying to run the client from a checkout of Storm's source > code. > >> > >> > > > >> > >> > > You can download a Storm release at > >> > >> > > http://storm-project.net/downloads.html > >> > >> > > ****************************************** > >> > >> > > > >> > >> > > H@H-PC /c/storm > >> > >> > > $ > >> > >> > > > >> > >> > > > >> > >> > > > >> > >> > > > >> > >> > > Thanks, > >> > >> > > Harsha > >> > >> > > > >> > >> > > *Contact Details: * > >> > >> > > Harsha Balasubramanian > >> > >> > > Graduate Student at University of Toronto > >> > >> > > Masters in Computer Science > >> > >> > > > >> > >> > > Mobile : 647-771-3596 > >> > >> > > Email 1: harsha...@cs.toronto.edu > >> > >> > > Email 2: harsha...@gmail.com > >> > >> > > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > > > >> > >> > > On Fri, Dec 26, 2014 at 12:40 PM, Harsha <m...@harsha.io> > wrote: > >> > >> > > > >> > >> > >> Yes he meant "master". > >> > >> > >> On your previous mail > >> > >> > >> "When I tried, c:\python>python c:\storm\bin\storm list, I got > >> this > >> > >> > >> error" > >> > >> > >> you need to build storm and deploy . Running it from source > >> doesn't > >> > >> > >> work. > >> > >> > >> and the correct script is storm\bin\storm like you are using > >> above. > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> On Fri, Dec 26, 2014, at 09:23 AM, Harsha Balasubramanian > wrote: > >> > >> > >> > Hi Bobby, > >> > >> > >> > > >> > >> > >> > When you said 'trunk', did you mean the master branch from > >> > >> > >> > https://github.com/apache/storm? > >> > >> > >> > > >> > >> > >> > Thanks, > >> > >> > >> > Harsha > >> > >> > >> > > >> > >> > >> > *Contact Details: * > >> > >> > >> > Harsha Balasubramanian > >> > >> > >> > Graduate Student at University of Toronto > >> > >> > >> > Masters in Computer Science > >> > >> > >> > > >> > >> > >> > Mobile : 647-771-3596 > >> > >> > >> > Email 1: harsha...@cs.toronto.edu > >> > >> > >> > Email 2: harsha...@gmail.com > >> > >> > >> > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > >> > > >> > >> > >> > On Wed, Dec 24, 2014 at 4:13 PM, Harsha <st...@harsha.io> > >> wrote: > >> > >> > >> > > >> > >> > >> > > looks like there is a bug storm.cmd in > >> make_command_arguments > >> > >> method. > >> > >> > >> > > Its converting -e count=10 to -e count 10 (removing =) > >> which is > >> > >> > >> causing > >> > >> > >> > > this issue. > >> > >> > >> > > If you using trunk you can look STORM-487 which makes > python > >> > >> storm > >> > >> > >> > > command work in windows. > >> > >> > >> > > > >> > >> > >> > > > >> > >> > >> > > On Wed, Dec 24, 2014, at 12:09 PM, Harsha Balasubramanian > >> wrote: > >> > >> > >> > > > Thanks Bobby. > >> > >> > >> > > > > >> > >> > >> > > > I setup a local server and CLI, UI and my topology run > >> fine. > >> > >> However > >> > >> > >> > > > there > >> > >> > >> > > > is a feature that doesn't work and I need some help to > >> figure > >> > >> out > >> > >> > >> why. > >> > >> > >> > > > > >> > >> > >> > > > 1. I followed the instructions here to setup the storm > >> system, > >> > >> > >> > > > > >> > >> > >> > > > >> > >> > >> > >> > >> > >> > http://ptgoetz.github.io/blog/2013/12/18/running-apache-storm-on-windows/ > >> > >> > >> > > > > >> > >> > >> > > > 2. My feature requires the usage of the CLI tool to > >> re-balance > >> > >> the > >> > >> > >> > > > topology > >> > >> > >> > > > when it needs more resources. For that I thought I could > >> use > >> > >> the > >> > >> > >> > > > following > >> > >> > >> > > > CLI command, > >> > >> > >> > > > > >> > >> > >> > > > storm rebalance mytopology -n 5 -e blue-spout=3 -e > >> > >> yellow-bolt=10 > >> > >> > >> > > > > >> > >> > >> > > > I found this in the storm documentation at the bottom of > >> this > >> > >> page: > >> > >> > >> > > > > >> > >> > >> > > > >> > >> > >> > >> > >> > >> > http://storm.apache.org/documentation/Understanding-the-parallelism-of-a-Storm-topology.html > >> > >> > >> > > > > >> > >> > >> > > > 3. When I run this command in my setup, I get the error > >> pasted > >> > >> > >> below. Is > >> > >> > >> > > > re-balancing supported at the spouts and bolts level? > Am I > >> > >> using the > >> > >> > >> > > > wrong > >> > >> > >> > > > version of the storm jar. > >> > >> > >> > > > > >> > >> > >> > > > This works: > >> > >> > >> > > > *C:\storm>storm rebalance WordCount -n 15* > >> > >> > >> > > > *2493 [main] INFO backtype.storm.thrift - Connecting to > >> > >> Nimbus at > >> > >> > >> > > > localhost:6627* > >> > >> > >> > > > *3573 [main] INFO backtype.storm.command.rebalance - > >> Topology > >> > >> > >> WordCount > >> > >> > >> > > > is > >> > >> > >> > > > rebalancing* > >> > >> > >> > > > > >> > >> > >> > > > This does not work: > >> > >> > >> > > > *C:\storm>storm rebalance WordCount -n 5 -e Count=10* > >> > >> > >> > > > *Exception in thread "main" > >> > >> > >> java.lang.StringIndexOutOfBoundsException: > >> > >> > >> > > > String index out of range: -1* > >> > >> > >> > > > * at java.lang.String.substring(Unknown Source)* > >> > >> > >> > > > * at > >> > >> > >> > > > > >> > >> > >> > >> > >> > >> > backtype.storm.command.rebalance$parse_executor.invoke(rebalance.clj:24)* > >> > >> > >> > > > * at > >> clojure.tools.cli$apply_specs.invoke(cli.clj:80)* > >> > >> > >> > > > * at clojure.tools.cli$cli.doInvoke(cli.clj:130)* > >> > >> > >> > > > * at clojure.lang.RestFn.invoke(RestFn.java:460)* > >> > >> > >> > > > * at > >> > >> > >> > > > > >> > >> backtype.storm.command.rebalance$_main.doInvoke(rebalance.clj:31)* > >> > >> > >> > > > * at > clojure.lang.RestFn.applyTo(RestFn.java:137)* > >> > >> > >> > > > * at > backtype.storm.command.rebalance.main(Unknown > >> > >> Source)* > >> > >> > >> > > > > >> > >> > >> > > > > >> > >> > >> > > > > >> > >> > >> > > > Thanks, > >> > >> > >> > > > Harsha > >> > >> > >> > > > > >> > >> > >> > > > *Contact Details: * > >> > >> > >> > > > Harsha Balasubramanian > >> > >> > >> > > > Graduate Student at University of Toronto > >> > >> > >> > > > Masters in Computer Science > >> > >> > >> > > > > >> > >> > >> > > > Mobile : 647-771-3596 > >> > >> > >> > > > Email 1: harsha...@cs.toronto.edu > >> > >> > >> > > > Email 2: harsha...@gmail.com > >> > >> > >> > > > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > >> > > > > >> > >> > >> > > > On Mon, Dec 22, 2014 at 4:42 PM, Bobby Evans > >> > >> > >> > > > <ev...@yahoo-inc.com.invalid> > >> > >> > >> > > > wrote: > >> > >> > >> > > > > >> > >> > >> > > > > Harsha, > >> > >> > >> > > > > Sorry about that, I have been out at a conference. > >> > >> > >> > > > > > >> > >> > >> > > > > for 1 you can get the number of acks so far, but you > are > >> > >> going to > >> > >> > >> have > >> > >> > >> > > to > >> > >> > >> > > > > calculate the rate yourself, it keeps track of the > >> number of > >> > >> acks > >> > >> > >> over > >> > >> > >> > > > > several time windows, but reports them as whole > numbers. > >> > >> > >> > > > > What do you mean by a local cluster? Do you mean a > >> single > >> > >> node > >> > >> > >> cluster > >> > >> > >> > > > > you launched yourself? then yes. If you mean a > >> local-mode > >> > >> > >> cluster, > >> > >> > >> > > then no. > >> > >> > >> > > > > - Bobby > >> > >> > >> > > > > > >> > >> > >> > > > > > >> > >> > >> > > > > On Tuesday, December 16, 2014 2:35 PM, Harsha > >> > >> > >> Balasubramanian < > >> > >> > >> > > > > harsha...@gmail.com> wrote: > >> > >> > >> > > > > > >> > >> > >> > > > > > >> > >> > >> > > > > Hi, > >> > >> > >> > > > > > >> > >> > >> > > > > Can someone pls answer my questions from the above > >> thread. > >> > >> > >> > > > > > >> > >> > >> > > > > > >> > >> > >> > > > > *I have 2 questions for you;* > >> > >> > >> > > > > *1. In one of your earlier emails, you mentioned that > >> there > >> > >> is > >> > >> > >> > > > > a limited Metrics implementation which is available in > >> the > >> > >> current > >> > >> > >> > > Storm > >> > >> > >> > > > > version. * > >> > >> > >> > > > > > >> > >> > >> > > > > *Will this provide 'acks threshold', i.e, the number > of > >> acks > >> > >> per > >> > >> > >> > > second (or > >> > >> > >> > > > > minute)? If not, can you please suggest a way in which > >> I can > >> > >> > >> implement > >> > >> > >> > > this > >> > >> > >> > > > > myself. * > >> > >> > >> > > > > > >> > >> > >> > > > > *2. Is it possible to use the CLI and UI tools from a > >> local > >> > >> > >> cluster?* > >> > >> > >> > > > > > >> > >> > >> > > > > Thanks, > >> > >> > >> > > > > Harsha > >> > >> > >> > > > > > >> > >> > >> > > > > *Contact Details: * > >> > >> > >> > > > > Harsha Balasubramanian > >> > >> > >> > > > > Graduate Student at University of Toronto > >> > >> > >> > > > > Masters in Computer Science > >> > >> > >> > > > > > >> > >> > >> > > > > Mobile : 647-771-3596 > >> > >> > >> > > > > Email 1: harsha...@cs.toronto.edu > >> > >> > >> > > > > Email 2: harsha...@gmail.com > >> > >> > >> > > > > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > >> > > > > > >> > >> > >> > > > > On Mon, Dec 15, 2014 at 12:23 PM, Harsha > >> Balasubramanian < > >> > >> > >> > > > > harsha...@gmail.com> wrote: > >> > >> > >> > > > > > > >> > >> > >> > > > > > Hi Bobby, > >> > >> > >> > > > > > > >> > >> > >> > > > > > Hope this email finds you well. I.m about to start > >> > >> designing > >> > >> > >> the > >> > >> > >> > > > > > auto-scaling system. Created a JIRA for it, > >> > >> > >> > > > > > https://issues.apache.org/jira/browse/STORM-594 > >> > >> > >> > > > > > > >> > >> > >> > > > > > Please take a look and let me know if there are any > >> > >> concerns. > >> > >> > >> > > > > > > >> > >> > >> > > > > > I have 2 questions for you; > >> > >> > >> > > > > > 1. In one of your earlier emails, you mentioned that > >> there > >> > >> is a > >> > >> > >> > > *limited > >> > >> > >> > > > > *Metrics > >> > >> > >> > > > > > implementation which is available in the current > Storm > >> > >> version. > >> > >> > >> > > > > > Will this provide 'acks threshold'? > >> > >> > >> > > > > > > >> > >> > >> > > > > > 2. Is it possible to use the CLI tool from a local > >> cluster? > >> > >> > >> > > > > > > >> > >> > >> > > > > > Thanks, > >> > >> > >> > > > > > Harsha > >> > >> > >> > > > > > > >> > >> > >> > > > > > *Contact Details: * > >> > >> > >> > > > > > Harsha Balasubramanian > >> > >> > >> > > > > > Graduate Student at University of Toronto > >> > >> > >> > > > > > Masters in Computer Science > >> > >> > >> > > > > > > >> > >> > >> > > > > > Mobile : 647-771-3596 > >> > >> > >> > > > > > Email 1: harsha...@cs.toronto.edu > >> > >> > >> > > > > > Email 2: harsha...@gmail.com > >> > >> > >> > > > > > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > >> > > > > > > >> > >> > >> > > > > > On Wed, Nov 12, 2014 at 6:28 PM, Harsha > >> Balasubramanian < > >> > >> > >> > > > > > harsha...@gmail.com> wrote: > >> > >> > >> > > > > >> > >> > >> > >> > > > > >> Thanks for the detailed explanation Bobby. I will > >> keep > >> > >> this in > >> > >> > >> mind > >> > >> > >> > > when > >> > >> > >> > > > > >> I create my design document. > >> > >> > >> > > > > >> > >> > >> > >> > > > > >> I will mostly not deal with adding/removing bolts > to > >> the > >> > >> > >> topology > >> > >> > >> > > and > >> > >> > >> > > > > >> restrict myself to threads and tasks. This is > >> because of > >> > >> the > >> > >> > >> time I > >> > >> > >> > > > > have to > >> > >> > >> > > > > >> complete the project. Once I submit my report > (early > >> > >> January), > >> > >> > >> I can > >> > >> > >> > > > > extend > >> > >> > >> > > > > >> what I have implemented to more use cases. > >> > >> > >> > > > > >> > >> > >> > >> > > > > >> Thanks, > >> > >> > >> > > > > >> Harsha > >> > >> > >> > > > > >> > >> > >> > >> > > > > >> Thanks, > >> > >> > >> > > > > >> Harsha > >> > >> > >> > > > > >> > >> > >> > >> > > > > >> *Contact Details: * > >> > >> > >> > > > > >> Harsha Balasubramanian > >> > >> > >> > > > > >> Graduate Student at University of Toronto > >> > >> > >> > > > > >> Professional Masters in Computer Science > >> > >> > >> > > > > >> > >> > >> > >> > > > > >> Email 1: harsha...@cs.toronto.edu > >> > >> > >> > > > > >> Email 2: harsha...@gmail.com > >> > >> > >> > > > > >> LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > >> > > > > >> > >> > >> > >> > > > > >> On Wed, Nov 12, 2014 at 6:05 PM, Bobby Evans > >> > >> > >> > > > > <ev...@yahoo-inc.com.invalid > >> > >> > >> > > > > >> > wrote: > >> > >> > >> > > > > >> > >> > >> > >> > > > > >>> Sure, > >> > >> > >> > > > > >>> The main thing that storm is missing right now is > an > >> > >> metrics > >> > >> > >> > > feedback > >> > >> > >> > > > > >>> system to the scheduler (or possibly a separate > >> piece of > >> > >> code > >> > >> > >> that > >> > >> > >> > > > > decides > >> > >> > >> > > > > >>> when to grow/shrink a topology). We have some > basic > >> > >> metrics, > >> > >> > >> but > >> > >> > >> > > they > >> > >> > >> > > > > are > >> > >> > >> > > > > >>> not exposed to the scheduler. The other question > >> is how > >> > >> do > >> > >> > >> we deal > >> > >> > >> > > > > with > >> > >> > >> > > > > >>> creating/destroying new bolts, especially around > >> dealing > >> > >> with > >> > >> > >> > > different > >> > >> > >> > > > > >>> groupings. Some groupings make it difficult. > >> There a > >> > >> number > >> > >> > >> of > >> > >> > >> > > ways > >> > >> > >> > > > > to > >> > >> > >> > > > > >>> get around this, but I think the simplest way is > to > >> not > >> > >> > >> > > create/destroy > >> > >> > >> > > > > >>> instances, but to treat it as a resources problem, > >> and > >> > >> give > >> > >> > >> them > >> > >> > >> > > more > >> > >> > >> > > > > or > >> > >> > >> > > > > >>> less resources as needed. But that still needs to > >> be > >> > >> > >> discussed. - > >> > >> > >> > > > > Bobby > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> On Wednesday, November 12, 2014 3:10 PM, > Harsha > >> > >> > >> > > Balasubramanian < > >> > >> > >> > > > > >>> harsha...@gmail.com> wrote: > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> Hi Bobby, > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> Thanks for getting back to me. It is encouraging > >> to hear > >> > >> > >> that this > >> > >> > >> > > > > will > >> > >> > >> > > > > >>> be a good addition to Storm if done well. > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> I have not implemented the changes yet. My > project > >> just > >> > >> > >> started. > >> > >> > >> > > It > >> > >> > >> > > > > >>> spans > >> > >> > >> > > > > >>> over the next 2 months. In a few days, I will > >> create a > >> > >> JIRA > >> > >> > >> task > >> > >> > >> > > and > >> > >> > >> > > > > >>> submit > >> > >> > >> > > > > >>> my proposal. It would be great to brainstorm with > >> the > >> > >> Storm > >> > >> > >> > > community > >> > >> > >> > > > > and > >> > >> > >> > > > > >>> iron out my design. > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> Thanks, > >> > >> > >> > > > > >>> Harsha > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> Thanks, > >> > >> > >> > > > > >>> Harsha > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> *Contact Details: * > >> > >> > >> > > > > >>> Harsha Balasubramanian > >> > >> > >> > > > > >>> Graduate Student at University of Toronto > >> > >> > >> > > > > >>> Professional Masters in Computer Science > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> Email 1: harsha...@cs.toronto.edu > >> > >> > >> > > > > >>> Email 2: harsha...@gmail.com > >> > >> > >> > > > > >>> LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> On Wed, Nov 12, 2014 at 3:47 PM, Bobby Evans > >> > >> > >> > > > > <ev...@yahoo-inc.com.invalid > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> wrote: > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> > Yes, this type of a feature would be great to > >> have. I > >> > >> am > >> > >> > >> rally > >> > >> > >> > > > > curious > >> > >> > >> > > > > >>> > how you have done the changes, as there are a > lot > >> of > >> > >> > >> potential > >> > >> > >> > > > > pitfalls > >> > >> > >> > > > > >>> > here. At a minimum it would just be great to > >> have the > >> > >> > >> feedback > >> > >> > >> > > > > >>> framework > >> > >> > >> > > > > >>> > in place so we can iterate on these changes. > >> > >> > >> > > > > >>> > - Bobby > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > On Wednesday, November 12, 2014 2:05 PM, > >> Harsha < > >> > >> > >> > > > > st...@harsha.io> > >> > >> > >> > > > > >>> > wrote: > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > Hi, > >> > >> > >> > > > > >>> > It will definitely interesting to the storm > >> > >> community. > >> > >> > >> It > >> > >> > >> > > will be > >> > >> > >> > > > > >>> > great if you can create a JIRA and post your > >> code > >> > >> as PR > >> > >> > >> for > >> > >> > >> > > others > >> > >> > >> > > > > >>> > to try out and review the code. > >> > >> > >> > > > > >>> > Thanks, > >> > >> > >> > > > > >>> > Harsha > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > On Wed, Nov 12, 2014, at 11:16 AM, Harsha > >> > >> Balasubramanian > >> > >> > >> wrote: > >> > >> > >> > > > > >>> > > Please let me know if my project (outlined > >> below) > >> > >> will be > >> > >> > >> > > useful to > >> > >> > >> > > > > >>> > > Storm. > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > Thanks, > >> > >> > >> > > > > >>> > > Harsha > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > *Contact Details: * > >> > >> > >> > > > > >>> > > Harsha Balasubramanian > >> > >> > >> > > > > >>> > > Graduate Student at University of Toronto > >> > >> > >> > > > > >>> > > Professional Masters in Computer Science > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > Email 1: harsha...@cs.toronto.edu > >> > >> > >> > > > > >>> > > Email 2: harsha...@gmail.com > >> > >> > >> > > > > >>> > > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > ---------- Forwarded message ---------- > >> > >> > >> > > > > >>> > > From: Harsha Balasubramanian < > >> harsha...@gmail.com> > >> > >> > >> > > > > >>> > > Date: Tue, Nov 11, 2014 at 8:15 PM > >> > >> > >> > > > > >>> > > Subject: Auto-Scaling > >> > >> > >> > > > > >>> > > To: dev@storm.apache.org > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > Hi, > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > I am a Graduate student at the University of > >> > >> Toronto. As > >> > >> > >> part > >> > >> > >> > > of > >> > >> > >> > > > > my > >> > >> > >> > > > > >>> > > Advanced Database Systems course, I have > >> proposed to > >> > >> > >> implement > >> > >> > >> > > an > >> > >> > >> > > > > >>> Auto > >> > >> > >> > > > > >>> > > Scaling mechanism for Storm topologies (using > a > >> > >> Feedback > >> > >> > >> > > System). > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > I've gone through the pages on how to > >> contribute to > >> > >> the > >> > >> > >> Storm > >> > >> > >> > > > > >>> project and > >> > >> > >> > > > > >>> > > have some questions. Please let me know if > >> > >> auto-scaling is > >> > >> > >> > > being > >> > >> > >> > > > > >>> worked > >> > >> > >> > > > > >>> > > on > >> > >> > >> > > > > >>> > > currently. Also, should this be a project in > >> > >> StormCore or > >> > >> > >> > > > > >>> StormProcessor > >> > >> > >> > > > > >>> > > ? > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > If this project will be a good addition to > >> Storm, I > >> > >> will > >> > >> > >> > > create a > >> > >> > >> > > > > new > >> > >> > >> > > > > >>> > > JIRA > >> > >> > >> > > > > >>> > > task for it and add the details of my proposed > >> > >> > >> implementation. > >> > >> > >> > > > > >>> Please do > >> > >> > >> > > > > >>> > > let me know. > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > Thanks, > >> > >> > >> > > > > >>> > > Harsha > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > *Contact Details: * > >> > >> > >> > > > > >>> > > Harsha Balasubramanian > >> > >> > >> > > > > >>> > > Graduate Student at University of Toronto > >> > >> > >> > > > > >>> > > Professional Masters in Computer Science > >> > >> > >> > > > > >>> > > > >> > >> > >> > > > > >>> > > Email 1: harsha...@cs.toronto.edu > >> > >> > >> > > > > >>> > > Email 2: harsha...@gmail.com > >> > >> > >> > > > > >>> > > LinkedIn : ca.linkedin.com/in/harshabala/ > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >>> > >> > >> > >> > > > > >> > >> > >> > >> > > > > >> > >> > >> > >> > > > > > >> > >> > >> > > > > > >> > >> > >> > > > > > >> > >> > >> > > > > > >> > >> > >> > > > >> > >> > >> > >> > >> > > > >> > >> > > > >> > >> > >> > > > >> > > > >> > > > > >
