From solr-user-return-144369-archive-asf-public=cust-asf.ponee.io@lucene.apache.org Fri Oct 12 18:57:29 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 B012D180660 for ; Fri, 12 Oct 2018 18:57:28 +0200 (CEST) Received: (qmail 35947 invoked by uid 500); 12 Oct 2018 16:57:26 -0000 Mailing-List: contact solr-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: solr-user@lucene.apache.org Delivered-To: mailing list solr-user@lucene.apache.org Received: (qmail 35935 invoked by uid 99); 12 Oct 2018 16:57:26 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 12 Oct 2018 16:57:26 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 963BA180790 for ; Fri, 12 Oct 2018 16:57:25 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -0.102 X-Spam-Level: X-Spam-Status: No, score=-0.102 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (1024-bit key) header.d=elyograg.org Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id XnnPmn-xU3J7 for ; Fri, 12 Oct 2018 16:57:21 +0000 (UTC) Received: from frodo.elyograg.org (frodo.elyograg.org [166.70.79.217]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 0A9ED5F11D for ; Fri, 12 Oct 2018 16:57:20 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by frodo.elyograg.org (Postfix) with ESMTP id 755EBB16 for ; Fri, 12 Oct 2018 10:57:13 -0600 (MDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=elyograg.org; h= content-language:content-transfer-encoding:content-type :content-type:in-reply-to:mime-version:user-agent:date:date :message-id:from:from:references:subject:subject:received :received; s=mail; t=1539363433; bh=vCdTmfhUBH5TbrT5LDV3rHFr899z 0q+xHJM+z67J/Pg=; b=fFzv/8x3nQP5M7mQOQVBVxye/pvlINzjN+qdljNYGGDS 2PaCcNiLPmKfiXfuMq9bQkHmSC0cHU3ORmw0aRc0BJMG5GrEev3a5uGQVgDm7j5r BcrVgi2YKCG9uCJXxt9Ll/yXciS5lZdWuBaBQO2ahDwwTLOBmd1wBXrm1tg2n70= X-Virus-Scanned: Debian amavisd-new at frodo.elyograg.org Received: from frodo.elyograg.org ([127.0.0.1]) by localhost (frodo.elyograg.org [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ytQpeiY9uQJN for ; Fri, 12 Oct 2018 10:57:13 -0600 (MDT) Received: from [192.168.1.124] (124.int.elyograg.org [192.168.1.124]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: elyograg@elyograg.org) by frodo.elyograg.org (Postfix) with ESMTPSA id 2293E90F for ; Fri, 12 Oct 2018 10:57:13 -0600 (MDT) Subject: Re: Default merge policy To: solr-user@lucene.apache.org References: <1539354776582-0.post@n3.nabble.com> From: Shawn Heisey Message-ID: Date: Fri, 12 Oct 2018 10:57:14 -0600 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1539354776582-0.post@n3.nabble.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US On 10/12/2018 8:32 AM, root23 wrote: > We are on solr 6. and as per the documentation i think solr 6 uses > TieredMergePolicyFactory. > However we have not specified it in the following way > > 10 > 10 > > > We still use 25. which i understand is not used > by TieredMergePolicyFactory. Supplementing what Erick said.  Erick's info is completely valid. For the version you are on, specifying a mergeFactor of 25 with no other merge-policy related config effectively results in this config:   25   25   30 I would recommend replacing mergeFactor with an explicit merge policy config.  Since you are going with numbers higher than default, you should set maxMergeAtOnceExplicit to three times the value of the other two settings.  In this case, that would be 75. Thanks, Shawn