Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 76462 invoked from network); 1 Dec 2010 08:45:02 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 1 Dec 2010 08:45:02 -0000 Received: (qmail 68697 invoked by uid 500); 1 Dec 2010 08:45:00 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 68457 invoked by uid 500); 1 Dec 2010 08:44:59 -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 68449 invoked by uid 99); 1 Dec 2010 08:44:58 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 01 Dec 2010 08:44:58 +0000 X-ASF-Spam-Status: No, hits=1.5 required=10.0 tests=FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of ivytang0812@gmail.com designates 209.85.214.172 as permitted sender) Received: from [209.85.214.172] (HELO mail-iw0-f172.google.com) (209.85.214.172) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 01 Dec 2010 08:44:51 +0000 Received: by iwn40 with SMTP id 40so8533759iwn.31 for ; Wed, 01 Dec 2010 00:44:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=lXkBJurThj8Qz87+DQ32cbyfVRVzIqmcl8oMUtY++7Y=; b=oSMAk6/zZxjBgwmK4G+TEsp4bRlCrdSdNvJQjwf9hK93pIguzoZgc1bweRo7qRStSS BTIVe1wxCkzhpiefEUJ6ayXD+RhGt0YXbOvMobsrXipN4V1solxaFOagCNp2uNk/GRpU qAKAYVVHAbwqmmjQwn4bWbD67kxMG+TiXbIDQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=ig2WeykwAP7CgbQPUxUg8gC8zNP8LwTdVk5od0fsSK5Y85oUGQWMXMuZIPl+kpuPt/ pE4kiuc+wIZbZ7IUKbfNWg/+iUKGs5cHT7baHw5dX5kZTkb9CFoOmwWiibf2IU119Ung /QP2yOwHmjAz8l5wKw0nthXMQyAFXQys3Ji34= MIME-Version: 1.0 Received: by 10.231.144.197 with SMTP id a5mr8705788ibv.61.1291193069779; Wed, 01 Dec 2010 00:44:29 -0800 (PST) Received: by 10.231.184.147 with HTTP; Wed, 1 Dec 2010 00:44:29 -0800 (PST) Date: Wed, 1 Dec 2010 16:44:29 +0800 Message-ID: Subject: TheGC inspector's frequency From: Ying Tang To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org The GCInspector's start() method , In this method , StorageService.scheduledTasks.scheduleWithFixedDelay(t, INTERVAL_IN_MS, INTERVAL_IN_MS, TimeUnit.MILLISECONDS); t is Runnable t and it's run method is logIntervalGCStats. According to this code segment , the logIntervalGCStats should be run every second. But the log of cassandra shows the logIntervalGCStats didn't run every second,it's disorder . How this happened? -- Best regards, Ivy Tang