Return-Path: Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: (qmail 60927 invoked from network); 20 May 2010 15:28:17 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 20 May 2010 15:28:17 -0000 Received: (qmail 63992 invoked by uid 500); 20 May 2010 15:28:17 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 63873 invoked by uid 500); 20 May 2010 15:28:17 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 63865 invoked by uid 99); 20 May 2010 15:28:17 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 May 2010 15:28:17 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 May 2010 15:28:15 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id o4KFRrqM029820 for ; Thu, 20 May 2010 15:27:53 GMT Message-ID: <17003507.42531274369273541.JavaMail.jira@thor> Date: Thu, 20 May 2010 11:27:53 -0400 (EDT) From: "Gary Dusbabek (JIRA)" To: commits@cassandra.apache.org Subject: [jira] Updated: (CASSANDRA-1075) Thrift interface call to query whether all live nodes agree on the schema id In-Reply-To: <11264778.5941273595922228.JavaMail.jira@thor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/CASSANDRA-1075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gary Dusbabek updated CASSANDRA-1075: ------------------------------------- Attachment: 0001-service-call-to-check-for-schema-agreement.patch 0002-modify-system_-methods-to-return-UUID.patch synchronizedmap does use itself for the mutex. I guess there's no point of locking for reads though. > Thrift interface call to query whether all live nodes agree on the schema id > ---------------------------------------------------------------------------- > > Key: CASSANDRA-1075 > URL: https://issues.apache.org/jira/browse/CASSANDRA-1075 > Project: Cassandra > Issue Type: New Feature > Components: Core > Affects Versions: 0.7 > Reporter: Benjamin Black > Assignee: Gary Dusbabek > Priority: Minor > Fix For: 0.7 > > Attachments: 0001-service-call-to-check-for-schema-agreement.patch, 0002-modify-system_-methods-to-return-UUID.patch > > > Schema changes via the Thrift interface reach all nodes in a cluster at indeterminate times. It would be extremely useful to be able to query, via API, a single node in the cluster and discover the current state of a transition to determine if all live nodes agree on the schema. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.