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 1EF09D20C for ; Tue, 23 Oct 2012 02:42:12 +0000 (UTC) Received: (qmail 11183 invoked by uid 500); 23 Oct 2012 02:42:09 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 11147 invoked by uid 500); 23 Oct 2012 02:42:09 -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 11130 invoked by uid 99); 23 Oct 2012 02:42:09 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 23 Oct 2012 02:42:09 +0000 X-ASF-Spam-Status: No, hits=0.9 required=5.0 tests=HK_RANDOM_ENVFROM,HK_RANDOM_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jasonhillpdx@gmail.com designates 209.85.160.44 as permitted sender) Received: from [209.85.160.44] (HELO mail-pb0-f44.google.com) (209.85.160.44) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 23 Oct 2012 02:42:01 +0000 Received: by mail-pb0-f44.google.com with SMTP id ro8so83972pbb.31 for ; Mon, 22 Oct 2012 19:41:40 -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:content-type; bh=YpU2QGNFm4jMnVCccrW0EpevOCrNMAEHDdXe5QSHTZg=; b=y1KxnfKgnvMyfE5L+FYjqrh9m7ojXNyhI4dT7aPVIJGqxOjEtmmhHgHVM9+h/t3ZHK yOsORYUg2NWhXRqiQtQGyF2bgZ/QWgyJknCq6v8C1PgrSnVmnnhifT7VHLpnQRY2hoSU FErUn4k5hKskT4VmZbA9akyf9fcoYowgBkMMtiNxHuriDDXfb63bOlWEt9g+c530MLs1 OHUDwAem8X1bykKI9i8Yj2rBfzofSCfPeEJmTnJo6yS2jmvBdH5uq3SqjBzB+wlEz+9Q cnX1xAhb6Y7i/a6hHkHALnuqngfdZeaNWobX4aLX3WVcIA5b0WgwZ0YxlGgHiw97Jde9 2Utw== Received: by 10.66.85.10 with SMTP id d10mr31049472paz.52.1350960100092; Mon, 22 Oct 2012 19:41:40 -0700 (PDT) MIME-Version: 1.0 Received: by 10.68.154.167 with HTTP; Mon, 22 Oct 2012 19:41:19 -0700 (PDT) From: Jason Hill Date: Mon, 22 Oct 2012 19:41:19 -0700 Message-ID: Subject: Node Dead/Up To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org Hello, I'm on version 1.0.11. I'm seeing this in my system log with occasional frequency: INFO [GossipTasks:1] 2012-10-23 02:26:34,449 Gossiper.java (line 818) InetAddress /10.50.10.21 is now dead. INFO [GossipStage:1] 2012-10-23 02:26:34,620 Gossiper.java (line 804) InetAddress /10.50.10.21 is now UP INFO [StreamStage:1] 2012-10-23 02:24:38,763 StreamOutSession.java (line 228) Streaming to /10.50.10.25 <--this line included for context INFO [GossipTasks:1] 2012-10-23 02:26:30,603 Gossiper.java (line 818) InetAddress /10.50.10.25 is now dead. INFO [GossipStage:1] 2012-10-23 02:26:40,763 Gossiper.java (line 804) InetAddress /10.50.10.25 is now UP INFO [AntiEntropyStage:1] 2012-10-23 02:27:30,249 AntiEntropyService.java (line 233) [repair #5a3383c0-1cb5-11e2-0000-56b66459adef] Sending completed merkle tree to /10.50.10.25 for (Innovari,TICCompressedLoad) <--this line included for context What is this telling me? Is my network dropping for less than a second? Are my nodes really dead and then up? Can someone shed some light on this for me? cheers, Jason