From dev-return-91868-archive-asf-public=cust-asf.ponee.io@kafka.apache.org Fri Feb 23 00:45:03 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 3FB1118064E for ; Fri, 23 Feb 2018 00:45:03 +0100 (CET) Received: (qmail 70361 invoked by uid 500); 22 Feb 2018 23:44:57 -0000 Mailing-List: contact dev-help@kafka.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@kafka.apache.org Delivered-To: mailing list dev@kafka.apache.org Received: (qmail 70333 invoked by uid 99); 22 Feb 2018 23:44:56 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 22 Feb 2018 23:44:56 +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 EC3BBC04A0 for ; Thu, 22 Feb 2018 23:44:55 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.879 X-Spam-Level: * X-Spam-Status: No, score=1.879 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id 31kgmCbZZJ3m for ; Thu, 22 Feb 2018 23:44:54 +0000 (UTC) Received: from mail-oi0-f68.google.com (mail-oi0-f68.google.com [209.85.218.68]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 0EE0C5F124 for ; Thu, 22 Feb 2018 23:44:54 +0000 (UTC) Received: by mail-oi0-f68.google.com with SMTP id x10so2485692oig.2 for ; Thu, 22 Feb 2018 15:44:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=a9/77wC0zFh4TJxWYxQuLZG+8PrAtsWKoSS6WQkvwNc=; b=PpeFbiobDdh4Hh0U6fDQMfw4cwWp1Cg+NGbKeShQNqgFQZIukLIfBX9e/ybHBbGzM6 7PfZHXFYv2SaMjKxb9RsHgvCvoRQjQF8qQ5AcKLf8CByR7jt06PCqe9tjCg6DPjXmMtS DDmC+joelLgizN4oNZLwFSa2bhx140B1TMhPzbuCTg0wO8lEZHgJ5ZM3b5IqQ42OmbtK Zjvoh801WQAPUd0OxmO1sqEuwdk+VW/jwxmLy+06NBZNAujuXd6BO2Rgx/YJUWieg4IC gMFPdvUbV/IXxCA/0N2H8fUYxsXkw7SIlu4Jcl7KyqQT+AlKgr5ducAvujXAPSncdJnI BXCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=a9/77wC0zFh4TJxWYxQuLZG+8PrAtsWKoSS6WQkvwNc=; b=LotzcBOP2lHy+cR+rmJFlWJ23aVzBWONdolfjN/YcQCTXsOwdrZck0CT8waYS29B7K BE7Z1RWu7UVSmErcQY9fvf6437wmSvqrETgHRNl+3gvQptIL6mn3pIbGxUsh5GdiM6g0 IVHo4AuepN6DO/E4NLrdvGlKyhHOYJI1v0cGwMZg0SFv76IAtIy4jQMquuq5g6YXk8zB Q5IlpvY/+Vlwubnx0Zm9fRUOx1lSpHvqg0YaipYiod8uo9rngUByLmWg7O0w61KyOcJv BEXTHI4+KpXSrAKDOmSx9QGrjGkeMrLJiIIn/YO+DjIxuwmSXe1hstOw3/d7O/jhT1Ig 2vPA== X-Gm-Message-State: APf1xPAfIsVp321gN+3mEqr0GzeOfdFhThElW89JFp2JtfOAmTAe2hHl XZ/LgEjVM2EGcNvBmGJ7eJLSG2bIvo1o2fEixOk= X-Google-Smtp-Source: AH8x224TuSyFlZYOnOLzFNu0JVSCDFtSgcEI+pfU1O/X3xqR8d1CbgCpN2ND0Tkw8hi77rZB0k++YEdA5rw+ZINsK3c= X-Received: by 10.202.40.1 with SMTP id 1mr1585837oix.53.1519343092415; Thu, 22 Feb 2018 15:44:52 -0800 (PST) MIME-Version: 1.0 Received: by 10.74.121.220 with HTTP; Thu, 22 Feb 2018 15:44:51 -0800 (PST) In-Reply-To: References: From: Guozhang Wang Date: Thu, 22 Feb 2018 15:44:51 -0800 Message-ID: Subject: Re: [DISCUSS] KIP-261: Add Single Value Fetch in Window Stores To: dev@kafka.apache.org Content-Type: multipart/alternative; boundary="f4f5e808eae050d17c0565d5a164" --f4f5e808eae050d17c0565d5a164 Content-Type: text/plain; charset="UTF-8" Thanks Ted, have updated the wiki page. On Thu, Feb 22, 2018 at 1:48 PM, Ted Yu wrote: > +1 > > There were some typos: > CachingWindowedStore -> CachingWindowStore > RocksDBWindowedStore -> RocksDBWindowStore > KStreamWindowedAggregate -> KStreamWindowAggregate > KStreamWindowedReduce -> KStreamWindowReduce > > Cheers > > On Thu, Feb 22, 2018 at 1:34 PM, Guozhang Wang wrote: > > > Hi all, > > > > I have submitted KIP-261 to add a new API for window stores in order to > > optimize our current windowed aggregation implementations inside Streams > > DSL > > : > > > > https://cwiki.apache.org/confluence/display/KAFKA/KIP- > > 261%3A+Add+Single+Value+Fetch+in+Window+Stores > > > > This change would require people who have customized window store > > implementations to make code changes as part of their upgrade path. But I > > think it is worth while given that the fraction of customized window > store > > should be very small. > > > > > > Feedback and suggestions are welcome. > > > > Thanks, > > -- Guozhang > > > -- -- Guozhang --f4f5e808eae050d17c0565d5a164--