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 193346D9 for ; Tue, 3 May 2011 18:02:53 +0000 (UTC) Received: (qmail 78385 invoked by uid 500); 3 May 2011 18:02:50 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 78357 invoked by uid 500); 3 May 2011 18:02:50 -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 78349 invoked by uid 99); 3 May 2011 18:02:50 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 May 2011 18:02:50 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,RFC_ABUSE_POST,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jbellis@gmail.com designates 209.85.216.172 as permitted sender) Received: from [209.85.216.172] (HELO mail-qy0-f172.google.com) (209.85.216.172) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 May 2011 18:02:45 +0000 Received: by qyk29 with SMTP id 29so2143219qyk.10 for ; Tue, 03 May 2011 11:02:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-type:content-transfer-encoding; bh=bIK4sneFoHKMJILxNGqWkZlOrfREjT9uwWT1NV45VtY=; b=drbUhLVN3hKHflC7EUYZeByMhGUjKfj3FgGCqGj3RsKMdsBB1qjaouKWaQuFP6aQII 8spx+5r5ClJ4uqmxPSjmKvMmGqdfcYt4m7Mq2EStXfcIU9Fe2FClhGA2jkdPbqG3nDx8 ohv87kGYkvM4lYUwrYtYUrIJ2IO0T6x+ag1pw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; b=UauGPp4SRFcLLvRVnRSQh+Dy2N2h+/Xko5kjqezyYUUg37PEDj5juDoQFDBJK3vYjv UnZrr2pvSi8COypXRr458OsYnbgNAMMFX5Z/IUj/BONY2aAjsLL7ST/UCPcS38FiOLK8 ADsbo+H+SEX/v2PYspwxy0QPyGTPlBcXLMwJw= Received: by 10.52.73.33 with SMTP id i1mr178941vdv.133.1304445745058; Tue, 03 May 2011 11:02:25 -0700 (PDT) MIME-Version: 1.0 Received: by 10.52.184.65 with HTTP; Tue, 3 May 2011 11:02:05 -0700 (PDT) In-Reply-To: References: From: Jonathan Ellis Date: Tue, 3 May 2011 13:02:05 -0500 Message-ID: Subject: Re: MemtablePostFlusher with high number of pending calls? To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable ... and are there any exceptions in the log? On Tue, May 3, 2011 at 1:01 PM, Jonathan Ellis wrote: > Does it resolve down to 0 eventually if you stop doing writes? > > On Tue, May 3, 2011 at 12:56 PM, Terje Marthinussen > wrote: >> Cassandra 0.8 beta trunk from about 1 week ago: >> Pool Name =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Active =A0 Pending =A0 = =A0 =A0Completed >> ReadStage =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 = =A0 0 =A0 =A0 =A0 =A0 =A0 =A0 =A05 >> RequestResponseStage =A0 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0 0 =A0 = =A0 =A0 =A0 =A087129 >> MutationStage =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 =A0 = 0 =A0 =A0 =A0 =A0 187298 >> ReadRepairStage =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 =A0 0 = =A0 =A0 =A0 =A0 =A0 =A0 =A00 >> ReplicateOnWriteStage =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 =A0 0 =A0 = =A0 =A0 =A0 =A0 =A0 =A00 >> GossipStage =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 = =A0 0 =A0 =A0 =A0 =A01353524 >> AntiEntropyStage =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0 0 = =A0 =A0 =A0 =A0 =A0 =A0 =A00 >> MigrationStage =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0 = 0 =A0 =A0 =A0 =A0 =A0 =A0 10 >> MemtablePostFlusher =A0 =A0 =A0 =A0 =A0 =A0 =A0 1 =A0 =A0 =A0 190 =A0 = =A0 =A0 =A0 =A0 =A0108 >> StreamStage =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 = =A0 0 =A0 =A0 =A0 =A0 =A0 =A0 =A00 >> FlushWriter =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 = =A0 0 =A0 =A0 =A0 =A0 =A0 =A0302 >> FILEUTILS-DELETE-POOL =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 =A0 0 =A0 = =A0 =A0 =A0 =A0 =A0 26 >> MiscStage =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 = =A0 0 =A0 =A0 =A0 =A0 =A0 =A0 =A00 >> FlushSorter =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 = =A0 0 =A0 =A0 =A0 =A0 =A0 =A0 =A00 >> InternalResponseStage =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 =A0 0 =A0 = =A0 =A0 =A0 =A0 =A0 =A00 >> HintedHandoff =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 1 =A0 =A0 =A0 =A0 = 4 =A0 =A0 =A0 =A0 =A0 =A0 =A07 >> >> Anyone with nice theories about the pending value on the memtable post >> flusher? >> Regards, >> Terje > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of DataStax, the source for professional Cassandra support > http://www.datastax.com > --=20 Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com