Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id C4562200B7C for ; Thu, 8 Sep 2016 20:42:48 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id C2EC7160ABD; Thu, 8 Sep 2016 18:42:48 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 1746C160AAD for ; Thu, 8 Sep 2016 20:42:47 +0200 (CEST) Received: (qmail 9879 invoked by uid 500); 8 Sep 2016 18:42:46 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 9869 invoked by uid 99); 8 Sep 2016 18:42:46 -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, 08 Sep 2016 18:42:46 +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 18255C03CE for ; Thu, 8 Sep 2016 18:42:46 +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 CDvItUWOZD81 for ; Thu, 8 Sep 2016 18:42:45 +0000 (UTC) Received: from mail-yw0-f180.google.com (mail-yw0-f180.google.com [209.85.161.180]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id AE09A5FAD5 for ; Thu, 8 Sep 2016 18:42:44 +0000 (UTC) Received: by mail-yw0-f180.google.com with SMTP id g192so34294138ywh.1 for ; Thu, 08 Sep 2016 11:42:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=3wliuCzKCmJB6+N9iWXlWjXuvdp8fesBEakngiBqmAY=; b=g+fSfapZFZnnCdns0pYn9WNQMOuy9qTWUsYYe/YNnBeeBqU363RfgDWhRyu2VfH6pg Fxqvk/4tRQiSwow+TmRO5TosiWTE08/aqhpfAr+X83LNtHdWNJ5O93SstG8O4rlT58Yl lYuNrOhujg2HO9Z6VgC3xPGsNb0u/g3En5qQ3sTk8ZddFiDoBvcDjFuX1OtZfxdrugYb D8ALXvmAHTGrBYxYSzrTkkUsgM6jGpSwxnaAR/24FQxX0ZTC7lOp1O9/Qn+S7aeiIupx usTQC888USNZBO5rKqDlA1RIm/YP264OtYpj8ENQsXWSXVsTr161cvungKC96bzY7PcL Umgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=3wliuCzKCmJB6+N9iWXlWjXuvdp8fesBEakngiBqmAY=; b=hFlX2zQJZYNynLzremQQrwNYGwYzYoXQlSQJdHFMaV5mYUn3QOIrjb8xv2RyPU5e9T CKTT/GcAdgG+ICIP8CBu2Oh9FMpDENHMKV5UaXrhAg4sGjkMKwPRgeFP8F/hShG7NwrK NQSo3Q0HHzKy8QjN+5aunI99I7bEt84qRUl2e50AN/0vTp5t8Cth4rF5iEcgY1TDnVtt pcsd62lC7g0IQGWQsc1HSd4l6fj7RrVdbExF48P1wPjk5RQsMIGIWg0EFb6E737quKde yTL34ROBFddfHJ/nxZfluBlwc0LNwpMNd69bA1VHbfx8ZWltvqku0wQP+dZxWc9gZFN/ pk1w== X-Gm-Message-State: AE9vXwPy+J1yA1pZr5wfZbwvT6vJOZd2LTA0fwoOFObv9VDuoW6g6wbaZjubWWRH/olNJxe0vfaPylkpNDN99A== X-Received: by 10.129.97.193 with SMTP id v184mr1197772ywb.216.1473360163374; Thu, 08 Sep 2016 11:42:43 -0700 (PDT) MIME-Version: 1.0 Received: by 10.129.119.7 with HTTP; Thu, 8 Sep 2016 11:42:42 -0700 (PDT) From: Benyi Wang Date: Thu, 8 Sep 2016 11:42:42 -0700 Message-ID: Subject: Is it safe to change RF in this situation? To: user Content-Type: multipart/alternative; boundary=001a114907222a0f0a053c036512 archived-at: Thu, 08 Sep 2016 18:42:49 -0000 --001a114907222a0f0a053c036512 Content-Type: text/plain; charset=UTF-8 * I have a keyspace with RF=2; * The client read the table using LOCAL_ONE; * There is a batch job loading data into the tables using ALL. I want to change RF to 3 and both the client and the batch job use LOCAL_QUORUM. My question is "Will the client still read the correct data when the repair is running at the time my batch job loading is running too?" Or should I change to LOCAL_QUORUM first? Thanks. --001a114907222a0f0a053c036512 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
* I have a keyspace with RF=3D2;
* The = client read the table using LOCAL_ONE;
* There is a batch job loa= ding data into the tables using ALL.

I want to cha= nge RF to 3 and both the client and the batch job use LOCAL_QUORUM.

My question is "Will the client still read the corre= ct data when the repair is running at the time my batch job loading is runn= ing too?"

Or should I change to LOCAL_QUORUM = first?

Thanks.
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