Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 64517 invoked from network); 15 Apr 2010 15:40:31 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 15 Apr 2010 15:40:31 -0000 Received: (qmail 4678 invoked by uid 500); 15 Apr 2010 15:40:31 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 4551 invoked by uid 500); 15 Apr 2010 15:40:31 -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 4543 invoked by uid 99); 15 Apr 2010 15:40:31 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 15 Apr 2010 15:40:31 +0000 X-ASF-Spam-Status: No, hits=3.3 required=10.0 tests=AWL,HTML_IMAGE_ONLY_12,HTML_MESSAGE,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [74.125.83.44] (HELO mail-gw0-f44.google.com) (74.125.83.44) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 15 Apr 2010 15:40:24 +0000 Received: by gwb1 with SMTP id 1so799573gwb.31 for ; Thu, 15 Apr 2010 08:40:03 -0700 (PDT) Received: by 10.101.126.10 with SMTP id d10mr477261ann.196.1271346000613; Thu, 15 Apr 2010 08:40:00 -0700 (PDT) Received: from mail-gy0-f172.google.com (mail-gy0-f172.google.com [209.85.160.172]) by mx.google.com with ESMTPS id 13sm1083569gxk.4.2010.04.15.08.40.00 (version=SSLv3 cipher=RC4-MD5); Thu, 15 Apr 2010 08:40:00 -0700 (PDT) Received: by gyh4 with SMTP id 4so797646gyh.31 for ; Thu, 15 Apr 2010 08:39:59 -0700 (PDT) MIME-Version: 1.0 Received: by 10.151.155.14 with HTTP; Thu, 15 Apr 2010 08:39:58 -0700 (PDT) Date: Thu, 15 Apr 2010 10:39:58 -0500 Received: by 10.151.4.8 with SMTP id g8mr604852ybi.40.1271345998349; Thu, 15 Apr 2010 08:39:58 -0700 (PDT) Message-ID: Subject: timestamp not found From: Lee Parker To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=000e0cd299da9e48ab0484484ee9 --000e0cd299da9e48ab0484484ee9 Content-Type: text/plain; charset=ISO-8859-1 We are currently migrating about 70G of data from mysql to cassandra. I am occasionally getting the following error: Required field 'timestamp' was not found in serialized data! Struct: Column(name:74 65 78 74, value:44 61 73 20 6C 69 65 62 20 69 63 68 20 76 6F 6E 20 23 49 6E 61 3A 20 68 74 74 70 3A 2F 2F 77 77 77 2E 79 6F 75 74 75 62 65 2E 63 6F 6D 2F 77 61 74 63 68 3F 76 3D 70 75 38 4B 54 77 79 64 56 77 6B 26 66 65 61 74 75 72 65 3D 72 65 6C 61 74 65 64 20 40 70 6A 80 01 00 01 00, timestamp:0) The loop which is building out the mutation map for the batch_mutate call is adding a timestamp to each column. I have verified that the time stamp is there for several calls and I feel like if the logic was bad, i would see the error more frequently. Does anyone have suggestions as to what may be causing this? Lee Parker lee@spredfast.com [image: Spredfast] --000e0cd299da9e48ab0484484ee9 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable We are currently migrating about 70G of data from mysql to cassandra. =A0I = am occasionally getting the following error:

Required fi= eld 'timestamp' was not found in serialized data! Struct: Column(na= me:74 65 78 74, value:44 61 73 20 6C 69 65 62 20 69 63 68 20 76 6F 6E 20 23= 49 6E 61 3A 20 68 74 74 70 3A 2F 2F 77 77 77 2E 79 6F 75 74 75 62 65 2E 63= 6F 6D 2F 77 61 74 63 68 3F 76 3D 70 75 38 4B 54 77 79 64 56 77 6B 26 66 65= 61 74 75 72 65 3D 72 65 6C 61 74 65 64 20 40 70 6A 80 01 00 01 00, timesta= mp:0)

The loop which is building out the mutation map for the= batch_mutate call is adding a timestamp to each column. =A0I have verified= that the time stamp is there for several calls and I feel like if the logi= c was bad, i would see the error more frequently. =A0Does anyone have sugge= stions as to what may be causing this?

Lee Parker

3D"Spredfast"

--000e0cd299da9e48ab0484484ee9--