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 4420E2004CA for ; Wed, 11 May 2016 19:13:53 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 2AC56160A14; Wed, 11 May 2016 17:13:53 +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 992AF160A09 for ; Wed, 11 May 2016 19:13:52 +0200 (CEST) Received: (qmail 83923 invoked by uid 500); 11 May 2016 17:13:51 -0000 Mailing-List: contact user-help@ignite.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@ignite.apache.org Delivered-To: mailing list user@ignite.apache.org Received: (qmail 83913 invoked by uid 99); 11 May 2016 17:13:51 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 11 May 2016 17:13:51 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 497FFC1BBC for ; Wed, 11 May 2016 17:13:51 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.173 X-Spam-Level: ** X-Spam-Status: No, score=2.173 tagged_above=-999 required=6.31 tests=[DKIM_ADSP_CUSTOM_MED=0.001, NML_ADSP_CUSTOM_MED=1.2, RCVD_IN_DNSWL_NONE=-0.0001, SPF_SOFTFAIL=0.972] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id QgpGZRc3dvpn for ; Wed, 11 May 2016 17:13:49 +0000 (UTC) Received: from mbob.nabble.com (mbob.nabble.com [162.253.133.15]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id A6CCB5F1E3 for ; Wed, 11 May 2016 17:13:48 +0000 (UTC) Received: from malf.nabble.com (unknown [162.253.133.59]) by mbob.nabble.com (Postfix) with ESMTP id 64A5F27507D2 for ; Wed, 11 May 2016 09:57:58 -0700 (PDT) Date: Wed, 11 May 2016 09:59:01 -0700 (PDT) From: tomk To: user@ignite.apache.org Message-ID: <1462985941735-4877.post@n6.nabble.com> In-Reply-To: References: <1462457316102-4790.post@n6.nabble.com> Subject: Re: Off-Heap Memory - simpler explanation than in docs MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit archived-at: Wed, 11 May 2016 17:13:53 -0000 Thanks for your answer, nevertheless I still don't understand. I know that nodes in ignite are launched in jvm. It seems to me that off heap make it possible to cache large dataset (such large as RAM). Why it is not possible with on heap ? Why off heap is faster than two others layers ? -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Off-Heap-Memory-simpler-explanation-than-in-docs-tp4790p4877.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.