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 21CED2009D9 for ; Wed, 18 May 2016 08:22:17 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 2057E160A23; Wed, 18 May 2016 06:22:17 +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 68680160A09 for ; Wed, 18 May 2016 08:22:16 +0200 (CEST) Received: (qmail 82669 invoked by uid 500); 18 May 2016 06:22:10 -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 82658 invoked by uid 99); 18 May 2016 06:22:09 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 May 2016 06:22:09 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 86E351A4599 for ; Wed, 18 May 2016 06:22:09 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.429 X-Spam-Level: * X-Spam-Status: No, score=1.429 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, HTML_MESSAGE=2, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd2-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx2-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id q7y3MlFkhk6S for ; Wed, 18 May 2016 06:22:08 +0000 (UTC) Received: from mail-oi0-f45.google.com (mail-oi0-f45.google.com [209.85.218.45]) by mx2-lw-eu.apache.org (ASF Mail Server at mx2-lw-eu.apache.org) with ESMTPS id ECDBC5F4E4 for ; Wed, 18 May 2016 06:22:07 +0000 (UTC) Received: by mail-oi0-f45.google.com with SMTP id v145so61328392oie.0 for ; Tue, 17 May 2016 23:22:07 -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=BtDnZmqH4TTcNjFbppCcKqpesd5j1VOHzb1cqgYg2u4=; b=t/UxrMwcaBYGQmU1bM9Z2S6Mvpb2jZd8zp+v9P/CsCH26XWlUmXP6Nf23wO7uKakN7 wElyrYzDlF/Uya9wjV2kYISTA6Dy31+1olGHIEtcorPOgSgBL3ysVE3HNs4xGpFwAt0x MeJUSQBCDlMpH3I1WUTFqw9f13PZJW75mIeFwQcW8SPcxxS2qlunKwn4P52TOcuc6jtA 5H9wWehKzno8RxfSXL/jfH3Rwv/cuq7mWB5MyGERjxYCAHELZXftLO14IwnPgbe/4dgh QzZK2dP429VKLrpb5IJfj0w/AvLnik13bEREaamiefMb3nZkjTBUJ8f8ytUgFbWOialB 6H2g== 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=BtDnZmqH4TTcNjFbppCcKqpesd5j1VOHzb1cqgYg2u4=; b=H4Aaw4v1ADDtegK3p8j4RC7GIbC+WNPmGL4kC6pyg4ippoEZorrrkLFtOHZV9qLrhH bb7xT6uBwFagqxGUzRuNCAELQfE6ipeHB7V00lCea5XZQBBV3nZBEYPJ/OceORd76Qdw C41YakdPVjuFYE1w0eP1ePDIUc8hH4CoPaTbVFvlLHVCJ1YRHUTL5SKFx4+TYgBkSHoM JSdXXLh7SiZp6AWmpRA+RabUehBkYf+sNw4dPFMmsJyT9z4bks28cxede/iDW9TPT6+0 A0S8sy4oHpi3N6rq6DlFcBIZTfKUcf3beggrob2jELnZp1AhFrwRpfb/LbgTfoiFwIcY 58zA== X-Gm-Message-State: AOPr4FVxsEs5KHHPiYtQ/JOjy4Mps8rU+l/tLVJoTAU/E298z39U1BiV6NnXKC0GZDGfu0AgsDnxkb4nrLtRbg== X-Received: by 10.157.56.51 with SMTP id i48mr3263002otc.130.1463552526827; Tue, 17 May 2016 23:22:06 -0700 (PDT) MIME-Version: 1.0 Received: by 10.157.62.247 with HTTP; Tue, 17 May 2016 23:21:27 -0700 (PDT) From: Adarsh Kumar Date: Wed, 18 May 2016 11:51:27 +0530 Message-ID: Subject: Setting bloom_filter_fp_chance < 0.01 To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=001a113dc9be78ca63053317e069 archived-at: Wed, 18 May 2016 06:22:17 -0000 --001a113dc9be78ca63053317e069 Content-Type: text/plain; charset=UTF-8 Hi, What is the impact of setting bloom_filter_fp_chance < 0.01. During performance tuning I was trying to tune bloom_filter_fp_chance and have following questions: 1). Why bloom_filter_fp_chance = 0 is not allowed. ( https://issues.apache.org/jira/browse/CASSANDRA-5013) 2). What is the maximum/recommended value of bloom_filter_fp_chance (if we do not have any limitation for bloom filter size). NOTE: We are using default SizeTieredCompactionStrategy on cassandra 2.1.8.621 Thanks in advance..:) Adarsh Kumar --001a113dc9be78ca63053317e069 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

What is the impact of setting=C2=A0bloom= _filter_fp_chance < 0.01.

During p= erformance tuning I was trying to tune=C2=A0bloom_filter_fp_chance and have= following questions:

1). Why=C2=A0bl= oom_filter_fp_chance =3D 0 is not allowed. (https://issues.apache.o= rg/jira/browse/CASSANDRA-5013)
2). What is the maximum/recommended value of=C2=A0bloom_filte= r_fp_chance (if we do not have any limitation for bloom filter size).
=

NOTE: We are using default=C2=A0SizeTiered= CompactionStrategy on cassandra=C2=A0=C2=A02.1.8.621

Thanks in advance..:)

Adarsh Kumar
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