Return-Path: X-Original-To: apmail-stratos-dev-archive@minotaur.apache.org Delivered-To: apmail-stratos-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id F1AD417B25 for ; Fri, 17 Jul 2015 09:55:26 +0000 (UTC) Received: (qmail 99619 invoked by uid 500); 17 Jul 2015 09:55:26 -0000 Delivered-To: apmail-stratos-dev-archive@stratos.apache.org Received: (qmail 99568 invoked by uid 500); 17 Jul 2015 09:55:26 -0000 Mailing-List: contact dev-help@stratos.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@stratos.apache.org Delivered-To: mailing list dev@stratos.apache.org Received: (qmail 99558 invoked by uid 99); 17 Jul 2015 09:55:26 -0000 Received: from Unknown (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 17 Jul 2015 09:55:26 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 136DCC0710 for ; Fri, 17 Jul 2015 09:55:26 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 3.9 X-Spam-Level: *** X-Spam-Status: No, score=3.9 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=3, KAM_LIVE=1, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (1024-bit key) header.d=wso2.com Received: from mx1-us-west.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id 8Wyx1hkSEZiP for ; Fri, 17 Jul 2015 09:55:13 +0000 (UTC) Received: from mail-yk0-f174.google.com (mail-yk0-f174.google.com [209.85.160.174]) by mx1-us-west.apache.org (ASF Mail Server at mx1-us-west.apache.org) with ESMTPS id 0001B20F3F for ; Fri, 17 Jul 2015 09:55:12 +0000 (UTC) Received: by ykay190 with SMTP id y190so85348172yka.3 for ; Fri, 17 Jul 2015 02:55:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wso2.com; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=v/dAyAXgOlDZP39Rmbo4tJJtuBspZZbq29II+XC5VfY=; b=HOTPR3y7wNN7BmPxSSnr47um58uuDVkm6xK0TXpQi3yW1HJbvF75HsgxLw2pFc02S9 h8QlNblIfQVeuLMI3OJBfW70XFY77DRJbqxe+43YlmtZp82SQAoBz+4yyvBedJikUfDv VkDN+1FPiRxx/5bL1RVc2roekFq+/iTPzhdcE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=v/dAyAXgOlDZP39Rmbo4tJJtuBspZZbq29II+XC5VfY=; b=IpyQKkZ26j7FMHVELdzYWdrdJWYc34RO+GABlVpvkHlxu7BV804Y/jwWzG/mef+MY+ i+p/kFjy7MKN+slVIxr/4VgY4YY9M4mML9HcD1NMu7bUaZpLkVdmOEbQ/X/5DyX/D5uy cR2oBp0lzh476AgiesG3wsMTBZ2JQt8VytpDZLKyUKI+qH7oV3bpFc2m5RgAfr+eWGeI 7M8gjTJpEvWp2sya2QuH/UrT2wYp9to2Vomd46NPAMDWLD5Rh0q8DW9g6Eu4jqI4H0nT ZH4zzKxZoDJUkjW9D6aASzD6eJlKf0SzXJLUSte3rjr8V0xSGvY3qgXTFWxMqIHw3CiU WbaA== X-Gm-Message-State: ALoCoQnCTASaB6Mgw3mwPJm9hnghJxAt3T2zJFXXsg+l3Ay9SjOQrjCtFaIxTg5C0z+gUCDVi3xg MIME-Version: 1.0 X-Received: by 10.13.234.76 with SMTP id t73mr1982468ywe.68.1437126912266; Fri, 17 Jul 2015 02:55:12 -0700 (PDT) Received: by 10.37.210.14 with HTTP; Fri, 17 Jul 2015 02:55:12 -0700 (PDT) In-Reply-To: References: Date: Fri, 17 Jul 2015 15:25:12 +0530 Message-ID: Subject: Re: [GSoC-2015][Progress Update] Introducing "curve fitting" for stat prediction algorithm of Autoscaler From: Lakmal Warusawithana To: Akila Ravihansa Perera Cc: dev , Imesh Gunaratne , Lahiru Sandaruwan Content-Type: multipart/alternative; boundary=94eb2c0867121a83ba051b0f2ff0 --94eb2c0867121a83ba051b0f2ff0 Content-Type: text/plain; charset=UTF-8 Hi Pranavan, What is your JIRA username? On Fri, Jul 17, 2015 at 2:46 PM, Akila Ravihansa Perera wrote: > Users are not able to assign issues to themselves. I can't assign the > issues to users either. Do we have to escalate to ASF infra? > > On Fri, Jul 17, 2015 at 2:40 PM, Pranavan Theivendiram < > pranavan.11@cse.mrt.ac.lk> wrote: > >> Hi Akila, >> >> I will update. I am unable to assign myself. Please fix that issue. >> >> Thanks >> >> *T. Pranavan* >> *BSc Eng Undergraduate| Department of Computer Science & Engineering >> ,University of Moratuwa* >> *Mobile| *0775136836 >> >> On 17 July 2015 at 14:35, Akila Ravihansa Perera >> wrote: >> >>> Hi Pranavan, >>> >>> Please update the JIRA [1] with the latest status of the project. Add >>> current implementation details, docs, GitHub repo etc. Also assign this >>> task to yourself. >>> >>> [1] https://issues.apache.org/jira/browse/STRATOS-1211 >>> >>> Thanks. >>> >>> On Sun, Jun 14, 2015 at 10:39 PM, Pranavan Theivendiram < >>> pranavan.11@cse.mrt.ac.lk> wrote: >>> >>>> Hi Lahiru and Raj, >>>> >>>> I have finished the following tasks of my project. >>>> >>>> 1. Added apache common math lib as a dependency >>>> 2. Curve fitting part is finished. ( From pair >>>> values to a second order polynomial v = a*t*t + b*t + c) >>>> >>>> I am currently working on exponential moving average (EMA). Since >>>> apache common math libs do not have the functionality to implement EMA. I >>>> am implementing it in my own. >>>> >>>> I need an assistance in finding the smoothing constant alpha. I need a >>>> proper value for alpha. >>>> >>>> I started implementing CurveFittingWindowProcessor. Not finished yet. >>>> Most of the functions are adopted from other window processors. I need to >>>> implement some methods for prediction and EMA. >>>> >>>> Please find my Git repo below.[1] >>>> >>>> >>>> [1] - https://github.com/pranavan135/stratos/tree/CurveFittingGSoC >>>> >>>> Thanks >>>> >>>> *T. Pranavan* >>>> *BSc Eng Undergraduate| Department of Computer Science & Engineering >>>> ,University of Moratuwa* >>>> *Mobile| *0775136836 >>>> >>> >>> >>> >>> -- >>> Akila Ravihansa Perera >>> Software Engineer, WSO2 >>> >>> Blog: http://ravihansa3000.blogspot.com >>> >> >> > > > -- > Akila Ravihansa Perera > Software Engineer, WSO2 > > Blog: http://ravihansa3000.blogspot.com > -- Lakmal Warusawithana Vice President, Apache Stratos Director - Cloud Architecture; WSO2 Inc. Mobile : +94714289692 Blog : http://lakmalsview.blogspot.com/ --94eb2c0867121a83ba051b0f2ff0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi=C2=A0= Pranavan,
What is your JIRA username?
<= br>
On Fri, Jul 17, 2015 at 2:46 PM, Akila Raviha= nsa Perera <ravihansa@wso2.com> wrote:
Users are not able to assign issues to thems= elves. I can't assign the issues to users either. Do we have to escalat= e to ASF infra?

On Fri, Jul 17, 2015 at 2:40 PM= , Pranavan Theivendiram <pranavan.11@cse.mrt.ac.lk> = wrote:
Hi Akila,
I will update. I am unable to assign myself. Please fix that is= sue.

Thanks
=
T. Pr= anavan
BSc Eng Undergraduate= | Department of Computer Science & Engineering ,University of Moratuwa<= /font>
Mobile|=C2=A00775= 136836

On 17 July 2015 at 14:35, A= kila Ravihansa Perera <ravihansa@wso2.com> wrote:
Hi Pranavan,

Please update the JIRA [1] with the latest status of the project. Add cu= rrent implementation details, docs, GitHub repo etc. Also assign this task = to yourself.


Thanks.

On Su= n, Jun 14, 2015 at 10:39 PM, Pranavan Theivendiram <pranavan.11@cs= e.mrt.ac.lk> wrote:
Hi Lahiru and Raj,

I have finished the followi= ng tasks of my project.=C2=A0
  1. Added apache common math li= b as a dependency
  2. Curve fitting part is finished. ( From <timest= amp,value> pair values to a second order polynomial=C2=A0v =3D a*t*t + b*t + c)
I am currently working o= n exponential moving average (EMA). Since apache common math libs do not ha= ve the functionality to implement EMA. I am implementing it in my own.
<= /div>

I need an assistance in finding the smoothing cons= tant alpha. I need a proper value for alpha.

I sta= rted implementing CurveFittingWindowProcessor. Not finished yet. Most of th= e functions are adopted from other window processors. I need to implement s= ome methods for prediction and EMA.

Please find my= Git repo below.[1]






<= font color=3D"#888888">--




--
Akila R= avihansa Perera
Software Engineer, WSO2

Blog: http://ravihansa3000.blogspot.= com



--
=
Lakmal Warusawithana
Vi= ce President, Apache Stratos
Director - Cloud Architecture; WSO2 In= c.
Mobile : +94714289692
--94eb2c0867121a83ba051b0f2ff0--