Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 748FC9F14 for ; Thu, 10 Nov 2011 12:46:30 +0000 (UTC) Received: (qmail 4737 invoked by uid 500); 10 Nov 2011 12:46:28 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 4704 invoked by uid 500); 10 Nov 2011 12:46:28 -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 4696 invoked by uid 99); 10 Nov 2011 12:46:28 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 10 Nov 2011 12:46:28 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of benoit@noisette.ch designates 209.85.215.172 as permitted sender) Received: from [209.85.215.172] (HELO mail-ey0-f172.google.com) (209.85.215.172) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 10 Nov 2011 12:46:22 +0000 Received: by eyg24 with SMTP id 24so2697527eyg.31 for ; Thu, 10 Nov 2011 04:46:02 -0800 (PST) MIME-Version: 1.0 Received: by 10.182.31.15 with SMTP id w15mr1812443obh.7.1320929161801; Thu, 10 Nov 2011 04:46:01 -0800 (PST) Received: by 10.182.40.196 with HTTP; Thu, 10 Nov 2011 04:46:01 -0800 (PST) In-Reply-To: References: Date: Thu, 10 Nov 2011 13:46:01 +0100 Message-ID: Subject: Re: Off-heap caching through ByteBuffer.allocateDirect when JNA not available ? From: Benoit Perroud To: user@cassandra.apache.org Content-Type: text/plain; charset=UTF-8 X-Virus-Checked: Checked by ClamAV on apache.org Thanks for the answer. I saw the move to sun.misc. In what sense allocateDirect is broken ? Thanks, Benoit. 2011/11/9 Jonathan Ellis : > allocateDirect is broken for this purpose, but we removed the JNA > dependency using sun.misc.Unsafe instead: > https://issues.apache.org/jira/browse/CASSANDRA-3271 > > On Wed, Nov 9, 2011 at 5:54 AM, Benoit Perroud wrote: >> Hi, >> >> I wonder if you have already discussed about ByteBuffer.allocateDirect >> alternative to JNA memory allocation ? >> >> If so, do someone mind send me a pointer ? >> >> Thanks ! >> >> Benoit. >> > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of DataStax, the source for professional Cassandra support > http://www.datastax.com > -- sent from my Nokia 3210