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 D65159EB7 for ; Tue, 6 Mar 2012 06:57:34 +0000 (UTC) Received: (qmail 35118 invoked by uid 500); 6 Mar 2012 06:57:32 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 34903 invoked by uid 500); 6 Mar 2012 06:57:26 -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 34773 invoked by uid 99); 6 Mar 2012 06:57:21 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Mar 2012 06:57:21 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of mac.miklas@googlemail.com designates 209.85.214.172 as permitted sender) Received: from [209.85.214.172] (HELO mail-tul01m020-f172.google.com) (209.85.214.172) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Mar 2012 06:57:15 +0000 Received: by obbta4 with SMTP id ta4so3601535obb.31 for ; Mon, 05 Mar 2012 22:56:55 -0800 (PST) Received-SPF: pass (google.com: domain of mac.miklas@googlemail.com designates 10.60.12.230 as permitted sender) client-ip=10.60.12.230; Authentication-Results: mr.google.com; spf=pass (google.com: domain of mac.miklas@googlemail.com designates 10.60.12.230 as permitted sender) smtp.mail=mac.miklas@googlemail.com; dkim=pass header.i=mac.miklas@googlemail.com Received: from mr.google.com ([10.60.12.230]) by 10.60.12.230 with SMTP id b6mr7278605oec.54.1331017015143 (num_hops = 1); Mon, 05 Mar 2012 22:56:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:content-type; bh=2fcMQ0rfwswvQwrW6Fg+9Js+uvVGfZ+g6uXLGwId4cY=; b=Gt3jj6ls4QFcEe86uUcB6G92fUYOn7Fk9qWlu0Rm9IE5Q1aNN72XOgZVnz9KPsyo6O Z6/ED22uROKZRjzvdHi1kc/xV5TtcAd1UDmzQfNSh0jlebO7YOi4lzAKMw8sviA0PX0+ VbUFWQM7WbM6nCxuHw5DNcE2QMpQ9abW1svU2S4I/CU90+rjdwm+nI7egbSf/EdsU2gp iW4NkTVOoST94y9AgNFIX5ytxtc7WFb7pa2TuUcYIXFxtLsyHpQwgzBsEC54yQAphK3r E7WD3qQkWAYg+AzEb2QJRyLX6vnCE+vnSBmjLaNEcKsIR8RqUDYKSzn3tVVpYEGulbkD QYAQ== MIME-Version: 1.0 Received: by 10.60.12.230 with SMTP id b6mr6441674oec.54.1331017015049; Mon, 05 Mar 2012 22:56:55 -0800 (PST) Received: by 10.182.15.7 with HTTP; Mon, 5 Mar 2012 22:56:55 -0800 (PST) Reply-To: mac.miklas@gmail.com In-Reply-To: References: Date: Tue, 6 Mar 2012 07:56:55 +0100 Message-ID: Subject: Re: hector connection pool From: Maciej Miklas To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=e89a8ff1ce265f3bca04ba8d8cdb X-Virus-Checked: Checked by ClamAV on apache.org --e89a8ff1ce265f3bca04ba8d8cdb Content-Type: text/plain; charset=UTF-8 Have you tried to change: me.prettyprint.cassandra.service.CassandraHostConfigurator#retryDownedHostsDelayInSeconds ? Hector will ping down hosts every xx seconds and recover connection. Regards, Maciej On Mon, Mar 5, 2012 at 8:13 PM, Daning Wang wrote: > I just got this error ": All host pools marked down. Retry burden pushed > out to client." in a few clients recently, client could not recover, we > have to restart client application. we are using 0.8.0.3 hector. > > At that time we did compaction for a CF, it takes several hours, server > was busy. But I think client should recover after server load was down. > > Any bug reported about this? I did search but could not find one. > > Thanks, > > Daning > > --e89a8ff1ce265f3bca04ba8d8cdb Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Have you tried to change: me.prettyprint.cassandra.service.CassandraHostCon= figurator#retryDownedHostsDelayInSeconds ?

Hector will ping down hos= ts every xx seconds and recover connection.

Regards,
Maciej

On Mon, Mar 5, 2012 at 8:13 PM, Daning Wang = <daning@netseer.= com> wrote:
I just got this error ": All host pools marked down. Retry burden push= ed out to client." in a few clients recently, client could not=C2=A0 r= ecover, we have to restart client application.=C2=A0 we are using 0.8.0.3 h= ector.

At that time we did compaction=C2=A0 for a CF, it takes several hours, = server was busy. But I think client should recover after server load was do= wn.

Any bug reported about this? I did search but could not find on= e.

Thanks,

Daning


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